from:"lists"


have you set jvmRoute in your engine element (server.xml)?
this is how mod_jk does session affinity

filipp



Sharma, Siddharth wrote:
I have IBM HttpServer 2.0 (it is an apache essentially) fronting two 
tomcat instances (version 5.5.16) using mod_jk over ajp13. 
I have configured a load balancer worker to spray load across two workers
representing these two tomcat instances. 
And it works. 
The problem is I do not see a session id cookie in the response, so I am not
sure if it is maintaining session affinity. 
I have configured the load balancer worker for session affinity with this
directive in worker.properties: 
worker.lb_worker.sticky_session=True 

What am I missing? 
What is the exact name of the cookie that mod_jk injects?


I apologize if this is not the right mailing list for connector questions
and will appreciate if someone could point me to it.

Thanks in advance
-Sidd 




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Re: mod_proxy a risk?


you should turn off your proxyrequests

ProxyRequests Off

first line in the documentation
http://httpd.apache.org/docs/2.0/mod/mod_proxy.html

you can still use ProxyPass without using proxyrequests

Christoph Kukulies wrote:

I wonder whether mod_proxy can be a security risk in Apache2.0.54,
when being enabled in conjunction with tomcat (5.5).

A machine which is open to the world (on port 80 only) is blacklisted
at cbl.abuseat.org and I wonder how come.

--
Chris Christoph P. U. Kukulies kuku_at_kukulies.org

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Re: Tomcat configuration error


Fredrik Andersson wrote:

Hi all

Ok so heres the deal. I want my tomcat installation (5.5.17) to load
pages from /var/www/webapps/R2M/SMC

I´m also running a virtual host setup so I edit my server.xml file and
point the appBase for the directory to /var/www/webapps and then I have
the context part of the configuration inside
$CATALINA_HOME/conf/appserve/R2M/SMC.xml in which I point the docBase
  

ok, this path is $CATALINA_HOME//

are you saying you renamed your engine element in server.xml to appserve?


variabel to "R2M/SMC"
  
this is a weird setup, by setting appBase to /var/www/webapps, tomcat 
would want webapps in that directory

so you would have the app in /var/www/webapps/SMC
and tomcat would auto deploy it


Now when I point my webbrowser to a jsp file in my directory I recieve a
404 error.. :(

What went wrong in my configuration?

Any tip/help is greatly appreciated.

-
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To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]



  



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Re: Tomcat configuration error


the more logical setup would be (assuming the SMC is a webapp)



   

   



I changed three things
1. Host.appBase
2. Context.path
3. Context.docBase

Filip



Fredrik Andersson wrote:

Hi, thanks for answering=)
I´m still a little confused so I will try to describe what kind of setup
I want and we will se if it becomes clearer.

I want my internet files to reside inside of
/var/www/webapps/R2M/SMC

Now I wan´t apache to forward all pages that are jsp (*.jsp) and all
servlets thats are mapped through ip/servlets/* to tomcat.

As it is right now I have HelloWorld.html and HelloWorld.jsp inside the
SMC folder and apache finds them both and the .jsp file gets forwarded
to tomcat (it says that tomcat can´t find the file). Now where is tomcat
looking for the files?

$CATALINA_HOME/conf/server.xml (engine part)
 





then I read that it was good to seperate the context part into a
different file for every host and I understood that they were supposed
to reside inside of $CATALINA_HOME/conf//.xml

So I have the file $CATALINA_HOME/appserve/R2M/SMC.xml and it holds


Did I set this up wrong?


Den 6/16/2006, skrev "Filip Hanik - Dev Lists" <[EMAIL PROTECTED]>:

  

Fredrik Andersson wrote:


Hi all

Ok so heres the deal. I want my tomcat installation (5.5.17) to load
pages from /var/www/webapps/R2M/SMC

I´m also running a virtual host setup so I edit my server.xml file and
point the appBase for the directory to /var/www/webapps and then I have
the context part of the configuration inside
$CATALINA_HOME/conf/appserve/R2M/SMC.xml in which I point the docBase

  

ok, this path is $CATALINA_HOME//

are you saying you renamed your engine element in server.xml to appserve?



variabel to "R2M/SMC"

  

this is a weird setup, by setting appBase to /var/www/webapps, tomcat
would want webapps in that directory
so you would have the app in /var/www/webapps/SMC
and tomcat would auto deploy it



Now when I point my webbrowser to a jsp file in my directory I recieve a
404 error.. :(

What went wrong in my configuration?

Any tip/help is greatly appreciated.

-
To start a new topic, e-mail: users@tomcat.apache.org
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]




  

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To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]




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Filip Hanik

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Re: flushing system.out

System.out.println is a synchronized call, and will become a performance 
bottleneck on highly concurrent applications,

the ideal is to use a logging framework, and setup an async logger

Filip


Glenn Holliday wrote:
I frequently see it used for debugging.  It's an easy place to log to. 
That's also when you most want unbuffered output.  Is that practice 
discommended for other reasons?


--
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Computer Sciences Corporation
[EMAIL PROTECTED] 540-644-6636



This is a PRIVATE message. If you are not the intended recipient, please 
delete without copying and kindly advise us by e-mail of the mistake in 
delivery. NOTE: Regardless of content, this e-mail shall not operate to 
bind CSC to any order or other contract unless pursuant to explicit 
written agreement or government initiative expressly permitting the use of 
e-mail for such purpose.






Tim Funk <[EMAIL PROTECTED]> 
06/16/2006 07:14 AM

Please respond to
"Tomcat Users List" 


To
Tomcat Users List 
cc

Subject
Re: flushing system.out






I doubt you want to print to system.out in a servlet (or jsp).






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Re: Tomcat configuration error

R2M.xml? where did that come from? it should be SCM.xml, although the 
name isn't important.


Your original setup was confusing, cause you have RM2/SCM (inside of 
webapps)

so which one is the webapp, RM2 directory, or the SCM directory?

They key to your problem though, is probably the  
instead of 


Filip


Fredrik Andersson wrote:

ok, and my R2M.xml configuration file should reside inside of
$CATALINA_HOME/appserver/R2M ? or did I missunderstand you on that part?
Will try it out, thanks a million. Really nice of you taking youre time
explaining this to me :)

Den 6/16/2006, skrev "Filip Hanik - Dev Lists" <[EMAIL PROTECTED]>:

  

the more logical setup would be (assuming the SMC is a webapp)



   

   



I changed three things
1. Host.appBase
2. Context.path
3. Context.docBase

Filip



Fredrik Andersson wrote:


Hi, thanks for answering=)
I´m still a little confused so I will try to describe what kind of setup
I want and we will se if it becomes clearer.

I want my internet files to reside inside of
/var/www/webapps/R2M/SMC

Now I wan´t apache to forward all pages that are jsp (*.jsp) and all
servlets thats are mapped through ip/servlets/* to tomcat.

As it is right now I have HelloWorld.html and HelloWorld.jsp inside the
SMC folder and apache finds them both and the .jsp file gets forwarded
to tomcat (it says that tomcat can´t find the file). Now where is tomcat
looking for the files?

$CATALINA_HOME/conf/server.xml (engine part)
 





then I read that it was good to seperate the context part into a
different file for every host and I understood that they were supposed
to reside inside of $CATALINA_HOME/conf//.xml

So I have the file $CATALINA_HOME/appserve/R2M/SMC.xml and it holds


Did I set this up wrong?


Den 6/16/2006, skrev "Filip Hanik - Dev Lists" <[EMAIL PROTECTED]>:


  

Fredrik Andersson wrote:



Hi all

Ok so heres the deal. I want my tomcat installation (5.5.17) to load
pages from /var/www/webapps/R2M/SMC

I´m also running a virtual host setup so I edit my server.xml file and
point the appBase for the directory to /var/www/webapps and then I have
the context part of the configuration inside
$CATALINA_HOME/conf/appserve/R2M/SMC.xml in which I point the docBase


  

ok, this path is $CATALINA_HOME//

are you saying you renamed your engine element in server.xml to appserve?




variabel to "R2M/SMC"


  

this is a weird setup, by setting appBase to /var/www/webapps, tomcat
would want webapps in that directory
so you would have the app in /var/www/webapps/SMC
and tomcat would auto deploy it




Now when I point my webbrowser to a jsp file in my directory I recieve a
404 error.. :(

What went wrong in my configuration?

Any tip/help is greatly appreciated.

-
To start a new topic, e-mail: users@tomcat.apache.org
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]





  

--


Filip Hanik

-
To start a new topic, e-mail: users@tomcat.apache.org
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]




-
To start a new topic, e-mail: users@tomcat.apache.org
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]




  

--


Filip Hanik

-
To start a new topic, e-mail: users@tomcat.apache.org
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]




-
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For additional commands, e-mail: [EMAIL PROTECTED]



  



--


Filip Hanik

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Re: Apache with Tomcat and session affinity problem


how do you verify that you don't have a cookie?

I suggest using LiveHttpHeaders (firefox/mozilla) or TCPMonitor

Filip


Sharma, Siddharth wrote:

Yes I did
jvmRoute is set to the worker name.
still, no jsessionid cookie.





-Original Message-
From: Filip Hanik - Dev Lists [mailto:[EMAIL PROTECTED] 
Sent: Friday, June 16, 2006 7:18 AM

To: Tomcat Users List
Subject: Re: Apache with Tomcat and session affinity problem

have you set jvmRoute in your engine element (server.xml)?
this is how mod_jk does session affinity

filipp



Sharma, Siddharth wrote:
  
I have IBM HttpServer 2.0 (it is an apache essentially) fronting two 
tomcat instances (version 5.5.16) using mod_jk over ajp13. 
I have configured a load balancer worker to spray load across two workers
representing these two tomcat instances. 
And it works. 
The problem is I do not see a session id cookie in the response, so I am


not
  
sure if it is maintaining session affinity. 
I have configured the load balancer worker for session affinity with this
directive in worker.properties: 
worker.lb_worker.sticky_session=True 

What am I missing? 
What is the exact name of the cookie that mod_jk injects?


I apologize if this is not the right mailing list for connector questions
and will appreciate if someone could point me to it.

Thanks in advance
-Sidd 




-
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To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]


  




  



--


Filip Hanik

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Re: Tomcat configuration error

no worries, lets start from the beginning, after that I will send you 
off to take a tomcat and/or servlet tutorial




The appbase is where tomcat will autodeploy applications from, an 
application, or webapp is defined by two means

1. A directory
2. A war file

So in your case, the directory SMC is your webapp, hence the path to the 
application would be:

/var/www/webapps/SMC (with subdirectories and files like below)
 - WEB-INF
   - web.xml
 - index.jsp

You have four choices to deploy this webapp

1. put the SCM directory inside Host.appBase, ie, /var/www/webapps/SCM
  The app will get deployed as /SCM

2. put the SCM directory inside Host.appBase, ie, /var/www/webapps/SCM
  and put SCM.xml inside TC_HOME/conf/appserver/RM2/
  The app will get deployed twice, /SCM and /

3. put the SCM directory inside Host.appBase, ie, /var/www/webapps/SCM
  Create a file named context.xml ie 
/var/www/webapps/SCM/META-INF/context.xml
  The app will get deployed once as "/", tomcat will automatically 
create SCM.xml inside TC_HOME/conf/appserver/RM2/


4. Put the SCM directory anywhere on the file system, for example /tmp/SCM
  and put SCM.xml inside TC_HOME/conf/appserver/RM2/
  and inside SCM.xml do 
  The app will get deployed once as "/"

Filip


Fredrik Andersson wrote:

ok, the application I want to launch is SMC so where should I place the
SMC.xml file?

I´m really confused, not because I dont know what I want to do, but there
are tons of different sources telling me different things and none
works.. :(

I understand that I must be anoying and it´s really nice of you to help
me. =)

Den 6/16/2006, skrev "Filip Hanik - Dev Lists" <[EMAIL PROTECTED]>:

  

R2M.xml? where did that come from? it should be SCM.xml, although the
name isn't important.

Your original setup was confusing, cause you have RM2/SCM (inside of
webapps)
so which one is the webapp, RM2 directory, or the SCM directory?

They key to your problem though, is probably the 
instead of 

Filip


Fredrik Andersson wrote:


ok, and my R2M.xml configuration file should reside inside of
$CATALINA_HOME/appserver/R2M ? or did I missunderstand you on that part?
Will try it out, thanks a million. Really nice of you taking youre time
explaining this to me :)

Den 6/16/2006, skrev "Filip Hanik - Dev Lists" <[EMAIL PROTECTED]>:


  

the more logical setup would be (assuming the SMC is a webapp)



   

   



I changed three things
1. Host.appBase
2. Context.path
3. Context.docBase

Filip



Fredrik Andersson wrote:



Hi, thanks for answering=)
I´m still a little confused so I will try to describe what kind of setup
I want and we will se if it becomes clearer.

I want my internet files to reside inside of
/var/www/webapps/R2M/SMC

Now I wan´t apache to forward all pages that are jsp (*.jsp) and all
servlets thats are mapped through ip/servlets/* to tomcat.

As it is right now I have HelloWorld.html and HelloWorld.jsp inside the
SMC folder and apache finds them both and the .jsp file gets forwarded
to tomcat (it says that tomcat can´t find the file). Now where is tomcat
looking for the files?

$CATALINA_HOME/conf/server.xml (engine part)
 





then I read that it was good to seperate the context part into a
different file for every host and I understood that they were supposed
to reside inside of $CATALINA_HOME/conf//.xml

So I have the file $CATALINA_HOME/appserve/R2M/SMC.xml and it holds


Did I set this up wrong?


Den 6/16/2006, skrev "Filip Hanik - Dev Lists" <[EMAIL PROTECTED]>:



  

Fredrik Andersson wrote:




Hi all

Ok so heres the deal. I want my tomcat installation (5.5.17) to load
pages from /var/www/webapps/R2M/SMC

I´m also running a virtual host setup so I edit my server.xml file and
point the appBase for the directory to /var/www/webapps and then I have
the context part of the configuration inside
$CATALINA_HOME/conf/appserve/R2M/SMC.xml in which I point the docBase



  

ok, this path is $CATALINA_HOME//

are you saying you renamed your engine element in server.xml to appserve?





variabel to "R2M/SMC"



  

this is a weird setup, by setting appBase to /var/www/webapps, tomcat
would want webapps in that directory
so you would have the app in /var/www/webapps/SMC
and tomcat would auto deploy it





Now when I point my webbrowser to a jsp file in my directory I recieve a
404 error.. :(

What went wrong in my configuration?

Any tip/help is greatly appreciated.

-
To start a new topic, e-mail: users@tomcat.apache.org
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]






  

--


Filip Hanik

-
To start a new t

Re: Apache with Tomcat and session affinity problem

is your webapplication creating a session? if not, then there wont be a 
cookie, and mod_jk uses this cookie to determine server affinity.


and if you dont have sessions, you don't need session affinity

Filip


Sharma, Siddharth wrote:

I have an http packet sniffer and it is reporting that there are no cookies
returned by apache.

Just to recap what I have done:
1. IBM HttpServer 2.0 with mod_jk on redhat linux
2. worker.properties has a load-balancer worker fronting two tomcat workers
over ajp13. it's sticky session property is set to True.
3. In the server.xml, the jvMRoute attribute of Engine (in both tomcat
instances) have their respective worker names (no case difference or silly
spelling mistakes).

There is no cookie. Is there another step that I am missing to enable
session affinity?




-Original Message-
From: Sanjeev Kumar Bhat, Noida [mailto:[EMAIL PROTECTED] 
Sent: Friday, June 16, 2006 10:15 AM

To: Tomcat Users List; Tomcat Users List
Subject: RE: Apache with Tomcat and session affinity problem


JSESSIONID is a non-persistent cookie and you can check its presence easily
using a Netscape Navigator or FireFox. 
In Firefox go to Tools->Options, Options Popup appears.

Select Privacy in the left section, to get the privacy options on the right
side of the popup
Expand the Node "Cookies" and click on button View Cookies.
You can see the cookie JSESSIONID with its value.
 
If you don't see the cookie, then definitely there is some issue.
 


____

From: Filip Hanik - Dev Lists [mailto:[EMAIL PROTECTED]
Sent: Fri 6/16/2006 7:21 PM
To: Tomcat Users List
Subject: Re: Apache with Tomcat and session affinity problem



how do you verify that you don't have a cookie?

I suggest using LiveHttpHeaders (firefox/mozilla) or TCPMonitor

Filip


Sharma, Siddharth wrote:
  

Yes I did
jvmRoute is set to the worker name.
still, no jsessionid cookie.





-Original Message-----
From: Filip Hanik - Dev Lists [mailto:[EMAIL PROTECTED]
Sent: Friday, June 16, 2006 7:18 AM
To: Tomcat Users List
Subject: Re: Apache with Tomcat and session affinity problem

have you set jvmRoute in your engine element (server.xml)?
this is how mod_jk does session affinity

filipp



Sharma, Siddharth wrote:
 


I have IBM HttpServer 2.0 (it is an apache essentially) fronting two
tomcat instances (version 5.5.16) using mod_jk over ajp13.
I have configured a load balancer worker to spray load across two workers
representing these two tomcat instances.
And it works.
The problem is I do not see a session id cookie in the response, so I am
   
  

not
 


sure if it is maintaining session affinity.
I have configured the load balancer worker for session affinity with this
directive in worker.properties:
worker.lb_worker.sticky_session=True

What am I missing?
What is the exact name of the cookie that mod_jk injects?

I apologize if this is not the right mailing list for connector questions
and will appreciate if someone could point me to it.

Thanks in advance
-Sidd



-
To start a new topic, e-mail: users@tomcat.apache.org
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]


 
   
  
 




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To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]





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Re: Apache with Tomcat and session affinity problem

yes, JSESSIONID will only get set if you have a HttpSession, so create a 
HttpSession, store the Id of your C++ session in the HttpSession so that 
you can associate back


Filip


Sharma, Siddharth wrote:

It is slightly more complicated that that.
We are creating a session but not an HttpSession, a C++ session.
The Tomcat web app essentially has a servlet that delegates to the C++
component using JNI.

Should we create an HttpSession before delegating?
Is that the missing link?

Thanks
Sidd

-Original Message-
From: Filip Hanik - Dev Lists [mailto:[EMAIL PROTECTED] 
Sent: Friday, June 16, 2006 10:59 AM

To: Tomcat Users List
Subject: Re: Apache with Tomcat and session affinity problem

is your webapplication creating a session? if not, then there wont be a 
cookie, and mod_jk uses this cookie to determine server affinity.


and if you dont have sessions, you don't need session affinity

Filip


Sharma, Siddharth wrote:
  

I have an http packet sniffer and it is reporting that there are no


cookies
  

returned by apache.

Just to recap what I have done:
1. IBM HttpServer 2.0 with mod_jk on redhat linux
2. worker.properties has a load-balancer worker fronting two tomcat


workers
  

over ajp13. it's sticky session property is set to True.
3. In the server.xml, the jvMRoute attribute of Engine (in both tomcat
instances) have their respective worker names (no case difference or silly
spelling mistakes).

There is no cookie. Is there another step that I am missing to enable
session affinity?




-Original Message-
From: Sanjeev Kumar Bhat, Noida [mailto:[EMAIL PROTECTED] 
Sent: Friday, June 16, 2006 10:15 AM

To: Tomcat Users List; Tomcat Users List
Subject: RE: Apache with Tomcat and session affinity problem


JSESSIONID is a non-persistent cookie and you can check its presence


easily
  
using a Netscape Navigator or FireFox. 
In Firefox go to Tools->Options, Options Popup appears.

Select Privacy in the left section, to get the privacy options on the


right
  

side of the popup
Expand the Node "Cookies" and click on button View Cookies.
You can see the cookie JSESSIONID with its value.
 
If you don't see the cookie, then definitely there is some issue.
 


____

From: Filip Hanik - Dev Lists [mailto:[EMAIL PROTECTED]
Sent: Fri 6/16/2006 7:21 PM
To: Tomcat Users List
Subject: Re: Apache with Tomcat and session affinity problem



how do you verify that you don't have a cookie?

I suggest using LiveHttpHeaders (firefox/mozilla) or TCPMonitor

Filip


Sharma, Siddharth wrote:
  


Yes I did
jvmRoute is set to the worker name.
still, no jsessionid cookie.





-Original Message-----
From: Filip Hanik - Dev Lists [mailto:[EMAIL PROTECTED]
Sent: Friday, June 16, 2006 7:18 AM
To: Tomcat Users List
Subject: Re: Apache with Tomcat and session affinity problem

have you set jvmRoute in your engine element (server.xml)?
this is how mod_jk does session affinity

filipp



Sharma, Siddharth wrote:
 

  

I have IBM HttpServer 2.0 (it is an apache essentially) fronting two
tomcat instances (version 5.5.16) using mod_jk over ajp13.
I have configured a load balancer worker to spray load across two


workers
  

representing these two tomcat instances.
And it works.
The problem is I do not see a session id cookie in the response, so I am
   
  


not
 

  

sure if it is maintaining session affinity.
I have configured the load balancer worker for session affinity with


this
  

directive in worker.properties:
worker.lb_worker.sticky_session=True

What am I missing?
What is the exact name of the cookie that mod_jk injects?

I apologize if this is not the right mailing list for connector


questions
  

and will appreciate if someone could point me to it.

Thanks in advance
-Sidd



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Re: Apache with Tomcat and session affinity problem


so if you create a jsp(or servlet) that looks like

<%=request.getSession(true).getId()%>

and run it, you get nothing?

Filip


Sharma, Siddharth wrote:
Ok, the httpsession is enabled with the code 
request.getSession(true);


but I still do not see a jsessionid cookie, even if tomcat is hit directly.
Same if hit via apache.

Do I have to enable sessions in Tomcat? How do I do that?
I do not want to enable session persistence.

Thanks
Sidd


-Original Message-
From: Sharma, Siddharth 
Sent: Friday, June 16, 2006 1:28 PM

To: Tomcat Users List
Subject: RE: Apache with Tomcat and session affinity problem

My bad. Did not read documentation.

Thanks


-Original Message-
From: Sanjeev Kumar Bhat, Noida [mailto:[EMAIL PROTECTED] 
Sent: Friday, June 16, 2006 12:31 PM

To: Tomcat Users List
Subject: RE: Apache with Tomcat and session affinity problem


 
The names of your workers are not correct. It should be alphanumeric only.

Refer to http://tomcat.apache.org/connectors-doc/config/workers.html
 
Sanjeev




From: Sharma, Siddharth [mailto:[EMAIL PROTECTED]
Sent: Fri 6/16/2006 8:23 PM
To: Tomcat Users List
Subject: RE: Apache with Tomcat and session affinity problem



Ok here's a little confusion:

In server.xml, there are two Engine tags, one of them is commented out by
default.
As can be seen I left the commented out 'standalone' engine as is and added
jvmRoute to engine named 'Catalina'.
Is that the problem?
Should I add it to the 'standalone' engine and uncomment it and comment out
the 'Catalina' engine?
Or should I have both uncommented?

I will try the permutations but if someone knows, it will save me some time
;)







-Original Message-
From: Sharma, Siddharth
Sent: Friday, June 16, 2006 10:40 AM
To: Tomcat Users List
Subject: RE: Apache with Tomcat and session affinity problem

I have an http packet sniffer and it is reporting that there are no cookies
returned by apache.

Just to recap what I have done:
1. IBM HttpServer 2.0 with mod_jk on redhat linux
2. worker.properties has a load-balancer worker fronting two tomcat workers
over ajp13. it's sticky session property is set to True.
3. In the server.xml, the jvMRoute attribute of Engine (in both tomcat
instances) have their respective worker names (no case difference or silly
spelling mistakes).

There is no cookie. Is there another step that I am missing to enable
session affinity?




-Original Message-
From: Sanjeev Kumar Bhat, Noida [mailto:[EMAIL PROTECTED]
Sent: Friday, June 16, 2006 10:15 AM
To: Tomcat Users List; Tomcat Users List
Subject: RE: Apache with Tomcat and session affinity problem


JSESSIONID is a non-persistent cookie and you can check its presence easily
using a Netscape Navigator or FireFox.
In Firefox go to Tools->Options, Options Popup appears.
Select Privacy in the left section, to get the privacy options on the right
side of the popup
Expand the Node "Cookies" and click on button View Cookies.
You can see the cookie JSESSIONID with its value.

If you don't see the cookie, then definitely there is some issue.




From: Filip Hanik - Dev Lists [mailto:[EMAIL PROTECTED]
Sent: Fri 6/16/2006 7:21 PM
To: Tomcat Users List
Subject: Re: Apache with Tomcat and session affinity problem



how do you verify that you don't have a cookie?

I suggest using LiveHttpHeaders (firefox/mozilla) or TCPMonitor

Filip


Sharma, Siddharth wrote:
  

Yes I did
jvmRoute is set to the worker name.
still, no jsessionid cookie.





-Original Message-
From: Filip Hanik - Dev Lists [mailto:[EMAIL PROTECTED]
Sent: Friday, June 16, 2006 7:18 AM
To: Tomcat Users List
Subject: Re: Apache with Tomcat and session affinity problem

have you set jvmRoute in your engine element (server.xml)?
this is how mod_jk does session affinity

filipp



Sharma, Siddharth wrote:



I have IBM HttpServer 2.0 (it is an apache essentially) fronting two
tomcat instances (version 5.5.16) using mod_jk over ajp13.
I have configured a load balancer worker to spray load across two workers
representing these two tomcat instances.
And it works.
The problem is I do not see a session id cookie in the response, so I am
  
  

not



sure if it is maintaining session affinity.
I have configured the load balancer worker for session affinity with this
directive in worker.properties:
worker.lb_worker.sticky_session=True

What am I missing?
What is the exact name of the cookie that mod_jk injects?

I apologize if this is not the right mailing list for connector questions
and will appreciate if someone could point me to it.

Thanks in advance
-Sidd



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For additio

Re: org.apache.catalina.valves.RemoteHostValve issue

Hi Lars,
my guess is that it looks at 127.0.0.1, so adding 127\.0\.0\.1 to the
list would solve it
or, you can add enableLookups="true" to your element,

although, I'm not sure why it just wouldn't look at the Host header

Filip

Lars Huttar wrote:
On the
tomcat-user list

(http://www.mail-archive.com/tomcat-user@jakarta.apache.org/msg158910.html):

Re: org.apache.catalina.valves.RemoteHostValve issue

Mark Thomas

Tue, 20 Sep 2005 14:09:45 -0700

Tony Tomcat wrote:

> ok. got off my lazy butt and looked at the code. RemoteHostValve

> uses request.getRequest().getRemoteHost() so just the javadoc

> needs updating for RemoteHostValve.java. I'm sure this was just
a

> copy of RemoteAddrValve. ;-)

Looks like it. I have just committed a fix to CVS.

> Now i just need to figure out how to configure my tomcat to
return

> values for getRemoteHost calls.

http://jakarta.apache.org/tomcat/tomcat-5.5-doc/config/http.html

Look for enableLookups

Mark

I have been trying to do this, namely, use a RemoteHostValve to
restrict

Tomcat to accept connections from only certain hosts.

My looks like this:

className="org.apache.catalina.valves.RemoteHostValve"

allow="localhost,massah,massah\.sil\.org,massah\.dallas\.sil\.org,isaiah\.wycliffe\.org,it-huttar1\.sil\.org,it-huttar-d820\.sil\.org"/>

I also put enableLookups="true" in my connector, as instructed by the

documentation link you gave:

maxThreads="150" minSpareThreads="25" maxSpareThreads="75"

enableLookups="true" redirectPort="8443" acceptCount="100"

connectionTimeout="2" disableUploadTimeout="true"

allowTrace="true"/>

But Tomcat forbids me to connect, even from localhost. (Localhost is

massah.dallas.sil.org.)

Earlier I tried the RemoteAddrValve with IP addresses, and was able to

get it to work fine. However that won't meet our needs very well, as
our

various dev machines change IP addresses now and then.

Any ideas? Can I somehow trace what hostname Tomcat thinks the request

is coming from? I turned on allowTrace in the http connector, as you
can

see, but I can't find a log file that traces connection attempts. I've

looked in all those in Tomcat 5.5\logs.

If it matters, I'm on a Windows 2000 Server machine, and running Cocoon

as the servlet. I'm running Tomcat 5.5.9.

Thanks for your help,

Lars

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Filip Hanik

Re: tomcat5.5.17 cluster(using jdk1.5) error - OutOfMemoryError in starting up on AS4

2006-06-18 Thread Filip Hanik - Dev Lists

the only risk would be if you are running two environments, maybe QA and 
production, you don't want the cluster membership to cross over
another option is to just change address and port in server.xml from the 
default

Filip

Peter Rossbach wrote:

HI,

I see no risk with the default membership config.

Peter



Am 18.06.2006 um 19:29 schrieb Dilan Kelanibandara:


Hi Peter,

No. No service is up and running on 4564. I did only commenting the 
member
and restarted both the servers. So far it is working fine. I have a 
doubt in

future weather there is any effect on my server?

Can you please explain me the risk. Or is it ok to run the server 
with this

configuration?.
Thanks and best regards,
Dilan

-Original Message-
From: Peter Rossbach [mailto:[EMAIL PROTECTED]
Sent: Sunday, June 18, 2006 8:14 PM
To: Tomcat Users List
Subject: Re: tomcat5.5.17 cluster(using jdk1.5) error - 
OutOfMemoryError in

starting up on AS4

OK!

As you comment the Membership service out, following default is used:

   McastService mService= new McastService();
 mService.setMcastAddr("228.0.0.4");
 mService.setMcastPort(8012);
 mService.setMcastFrequency(1000);
 mService.setMcastDropTime(3);
 transferProperty("service",mService);
 setMembershipService(mService);
 }

Have you start another service at 45564 ?

Regards



Am 18.06.2006 um 16:54 schrieb Dilan Kelanibandara:


Hi Peter,

I was having the memory problem when cluster manager trying to
multicast the
request when tomcat startup.
As a trial I commented multicast element of cluster configuration in
server.xml and restarted both tomcats

This is the multicast element which I commented.
==


==

Then tomcat started without an outofmemoryerror. Also replication
members
are added to each other. I ran both of servers with my applicaiton
for some
time. It is working fine. Session replication is happening as
usual. Can you
let me know can I proceed with this setup or is there any effect of my
commenting on session replication ?

Can you kindly let me know?

Thanks and best regards,
Dilan


-Original Message-
From: Peter Rossbach [mailto:[EMAIL PROTECTED]
Sent: Sunday, June 18, 2006 9:50 AM
To: Tomcat Users List
Subject: Re: tomcat5.5.17 cluster(using jdk1.5) error -
OutOfMemoryError in
starting up on AS4

Use more JVM Options to analyse the mem usage

Work with more faster mem allocation

-XX:NewSize=128m -XX:MaxNewSize=128m -XX:SurvivorRatio=8
-Xverbosegc

Or better use a Memory Profiler...

But the membership not allocate much memory, very strange effect :-(

Peter


Am 18.06.2006 um 08:01 schrieb Dilan Kelanibandara:


Hi Peter,
I am using default JVM parameters coming with tomcat5.5.17. In the
tomcat
server.xml file it says tcpThreadCount is normally equal to no.of
nodes  (ie
2 in this case).That is why I changed that to 2.

I tried increasing JVM parameters for heap size in tomcat
Min=1024m
Max=1024m
also.I tried with both 512m also. But in both the occasion it is
the same
result.
Thank you for your kind attention.
I want further clarifications.
Best regards,
Dilan
-Original Message-
From: Peter Rossbach [mailto:[EMAIL PROTECTED]
Sent: Sunday, June 18, 2006 7:37 AM
To: Tomcat Users List
Subject: Re: tomcat5.5.17 cluster(using jdk1.5) error -
OutOfMemoryError in
starting up on AS4

Hi,

Which JVM memory parameter you use?
At pooled mode use more receiver worker set tcpThreadCount="6"!
You really need deployer? Deployer generate at every startup a large
cluster message.

Regards
Peter


Am 18.06.2006 um 06:22 schrieb Dilan Kelanibandara:




Hello ,



I am getting OutOfMemoryError continuously when starting up two
cluster
nodes of tomcat5.5.17 (jdk1.5 on Advanced server 4). Any way it was
working
fine for 3 weeks time. This error occurs previously only one time
and when
restarted the tomcat, it worked.





Following is a part of catalina.out  relevent to that error for
node 1.






INFO: Start ClusterSender at cluster
Catalina:type=Cluster,host=localhost

with name Catalina:type=ClusterSender,host=localhost

Jun 17, 2006 8:44:15 PM
org.apache.catalina.cluster.mcast.McastService start

INFO: Sleeping for 2000 milliseconds to establish cluster membership
Exception in thread "Cluster-MembershipReceiver"
java.lang.OutOfMemoryError:


Java heap space

Jun 17, 2006 8:44:17 PM
org.apache.catalina.cluster.mcast.McastService

registerMBean

INFO: membership mbean registered

(Catalina:type=ClusterMembership,host=localhost)

Jun 17, 2006 8:44:17 PM
org.apache.catalina.cluster.deploy.FarmWarDeployer

start

INFO: Cluster FarmWarDeployer started.

Jun 17, 2006 8:44:19 PM
org.apache.catalina.cluster.session.DeltaManager

start

INFO: Register manager /StockTradingServer to cluster element Host
with name
localhost Jun 17, 2006 8:44:19 PM
org.apache.catalina.cluster.session.DeltaManager

Re: tomcat in-memory session replication

you have two issues and would be better off trying to isolate them 
separately.


1. Session replication not working
To Troubleshoot: Isolate the problem, so in this case, get rid of 
apache/mod_jk

Follow these steps:
1. Get a small load balancer like http://siag.nu/pen/
If you are on windows, download http://siag.nu/pub/pen/pen.exe

2. Stop all your apache instances

3. Change the HTTP connector in your server.xml to not have keep alive
maxKeepAliveRequests="1"

4. Start your load balancer
pen.exe -r -f 80 localhost:8080 localhost:8081 localhost:8082

5. Hit your server, http://localhost/yourtestapp
and see round robin working.

6. Is your session data replicating?

If not follow these steps:
1. Have you give each tomcat a unique TCP listen port for replication
  see tcpListenPort in the Cluster config, should be a unique value for 
each tomcat


2. Are your tomcat instances discovering each other
  Should show up in the logs

Filip



Sean O'Reilly wrote:

Hi,

I am trying to get in-memory session replication working and am testing
running 3 seperate tomcat instances on the same server.

I am using tomcat-5.5.15 and apache-2.0.54 with jk2.

Whenever i run my test app although it should be doing round-robin load
balancing it doesn't switch to another instance of tomcat until the
eighth request and does not appear to have sent the session information
across as the session ID changes.

Here are my server.xml and workers2.properties files

server.xml



  

  
  
  
  

  
  







  

  

  
  












   enableLookups="false" redirectPort="8443"

protocol="AJP/1.3" />








jvmRoute="Tomcat5A"> 
 
 


  
  

  

  
  

  
  

  

  

  

  

  
  

 






className="org.apache.catalina.cluster.mcast.McastService"

mcastAddr="228.0.0.4"
mcastPort="45564"
mcastFrequency="500"
mcastDropTime="3000"/>

className="org.apache.catalina.cluster.tcp.ReplicationListener"

tcpListenAddress="auto"
tcpListenPort="4001"
tcpSelectorTimeout="100"
tcpThreadCount="6"/>




   

className="org.apache.catalina.cluster.deploy.FarmWarDeployer"
  tempDir="/tmp/war-temp/"
  deployDir="/tmp/war-deploy/"
  watchDir="/tmp/war-listen/"
  watchEnabled="false"/>
  

className="org.apache.catalina.cluster.session.ClusterSessionListener"/>

   















  



  




workers2.properties

[logger.apache2]
file="/etc/httpd/conf/logs/error.log"
level=INFO
debug=1

# Config settings
[config]
file=/etc/httpd/conf/workers2.properties
debug=0

# Shared memory file settings
[shm]
file=/etc/httpd/conf/jk2.shm
size=10

# Communcation channel settings for "Tomcat5A"
[channel.socket:localhost:8009]
host=localhost
port=8009
tomcatId=Tomcat5A
group=balanced
lb_factor=1
route=Tomcat5A


# Declare a Tomcat5A worker
[ajp13:localhost:8009]
channel=channel.socket:Tomcat5A


# Communcation channel settings for "Tomcat5B"
[channel.socket:localhost:8010]
host=localhost
port=8010
tomcatId=Tomcat5B
group=balanced
lb_factor=1
route=Tomcat5B


# Declare a Tomcat5B worker
[ajp13:localhost:8010]
channel=channel.socket:Tomcat5B


# Communcation channel settings for "Tomcat5C"
[channel.socket:localhost:8011]
host=localhost
port=8011
tomcatId=Tomcat5C
group=balanced
lb_factor=1
route=Tomcat5C


# Declare a Tomcat5C worker
[ajp13:localhost:8011]
channel=channel.socket:Tomcat5C

# Load balanced Worker
[lb:balanced]
worker=ajp13:localhost:8009
worker=ajp13:localhost:8010
worker=ajp13:localhost:8011
timeout=90
attempts=3
recovery=30
stickySession=0
noWorkerMsg=Server Busy please retry later.
noWorkerCodeMsg=503

# URI mappings for the tomcat worker
# Map the "jsp-examples" web application context to the web server URI
space
[uri:/jsp-examples/*]
info= Mapping for jsp-examples context for tomcat
context=/jsp-examples
group=balanced

[shm]
file=/etc/httpd/conf/jk2.shm
size=100

[uri:/servlets-examples/*]
context=/servlets-examples
group=balanced

# Define a status worker
[status:]

# Status URI mapping
[uri:/jkstatus/*]
group=status


obviously the server.xml files on the other 2 instances of tomcat are
the same except the ports and jvmRoute have been changed.


can anyone see where i am going wrong ?

Thanks



  



--


Filip Hanik

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Re: tomcat in-memory session replication


also, use Tomcat 5.5.17

Sean O'Reilly wrote:

Hi,

I am trying to get in-memory session replication working and am testing
running 3 seperate tomcat instances on the same server.

I am using tomcat-5.5.15 and apache-2.0.54 with jk2.

Whenever i run my test app although it should be doing round-robin load
balancing it doesn't switch to another instance of tomcat until the
eighth request and does not appear to have sent the session information
across as the session ID changes.

Here are my server.xml and workers2.properties files

server.xml



  

  
  
  
  

  
  







  

  

  
  












   enableLookups="false" redirectPort="8443"

protocol="AJP/1.3" />








jvmRoute="Tomcat5A"> 
 
 


  
  

  

  
  

  
  

  

  

  

  

  
  

 






className="org.apache.catalina.cluster.mcast.McastService"

mcastAddr="228.0.0.4"
mcastPort="45564"
mcastFrequency="500"
mcastDropTime="3000"/>

className="org.apache.catalina.cluster.tcp.ReplicationListener"

tcpListenAddress="auto"
tcpListenPort="4001"
tcpSelectorTimeout="100"
tcpThreadCount="6"/>




   

className="org.apache.catalina.cluster.deploy.FarmWarDeployer"
  tempDir="/tmp/war-temp/"
  deployDir="/tmp/war-deploy/"
  watchDir="/tmp/war-listen/"
  watchEnabled="false"/>
  

className="org.apache.catalina.cluster.session.ClusterSessionListener"/>

   















  



  




workers2.properties

[logger.apache2]
file="/etc/httpd/conf/logs/error.log"
level=INFO
debug=1

# Config settings
[config]
file=/etc/httpd/conf/workers2.properties
debug=0

# Shared memory file settings
[shm]
file=/etc/httpd/conf/jk2.shm
size=10

# Communcation channel settings for "Tomcat5A"
[channel.socket:localhost:8009]
host=localhost
port=8009
tomcatId=Tomcat5A
group=balanced
lb_factor=1
route=Tomcat5A


# Declare a Tomcat5A worker
[ajp13:localhost:8009]
channel=channel.socket:Tomcat5A


# Communcation channel settings for "Tomcat5B"
[channel.socket:localhost:8010]
host=localhost
port=8010
tomcatId=Tomcat5B
group=balanced
lb_factor=1
route=Tomcat5B


# Declare a Tomcat5B worker
[ajp13:localhost:8010]
channel=channel.socket:Tomcat5B


# Communcation channel settings for "Tomcat5C"
[channel.socket:localhost:8011]
host=localhost
port=8011
tomcatId=Tomcat5C
group=balanced
lb_factor=1
route=Tomcat5C


# Declare a Tomcat5C worker
[ajp13:localhost:8011]
channel=channel.socket:Tomcat5C

# Load balanced Worker
[lb:balanced]
worker=ajp13:localhost:8009
worker=ajp13:localhost:8010
worker=ajp13:localhost:8011
timeout=90
attempts=3
recovery=30
stickySession=0
noWorkerMsg=Server Busy please retry later.
noWorkerCodeMsg=503

# URI mappings for the tomcat worker
# Map the "jsp-examples" web application context to the web server URI
space
[uri:/jsp-examples/*]
info= Mapping for jsp-examples context for tomcat
context=/jsp-examples
group=balanced

[shm]
file=/etc/httpd/conf/jk2.shm
size=100

[uri:/servlets-examples/*]
context=/servlets-examples
group=balanced

# Define a status worker
[status:]

# Status URI mapping
[uri:/jkstatus/*]
group=status


obviously the server.xml files on the other 2 instances of tomcat are
the same except the ports and jvmRoute have been changed.


can anyone see where i am going wrong ?

Thanks



  



--


Filip Hanik

-
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Re: Question about StandardSession and ApplicationContext

the StandardSession is not big, I would go back and guess it is your 
application.

The key is to read the profiling data correctly, that's where I would start.
Tomcat has been optimized for memory and cpu usage, so 11MB session 
objects would have been discovered early on.


John McClain wrote:

I am profiling our application in jprofiler. I have noticed that the deep
size of StandardSession object for each user is VERY large - ~ 11+mb. Yet I
know that we are not adding that much data. Where is all that memory coming
from? Is it truly non static data that is overhead for each session, or is
it static data that each session points to?

Does anyone out there have a strategy for finding memory leaks in a Tomcat
application? I am not finding ours.

John McClain
Senior Software Engineer
TCS Healthcare
[EMAIL PROTECTED]
(530)886-1700x235
"Skepticism is the first step toward truth"


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--


Filip Hanik

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Re: Tomcat session replication/cluster

if the cluster is put in the engine element, the context names are 
prefixed with the engine name, since you can have multiple contexts with 
the same name in different host
when reloading a context, you'll get these errors cause the context is 
not available during the reload

this will be fixed with the new Apache Tribes module
Filip

Pid wrote:

I'm seeing an issue on 5.5.17 with a 2 node cluster config.
When a context is reloaded, it sends the context node name incorrectly
to the cluster.
E.g. context is called "website1"

SEVERE: Context manager doesn't exist:website1website1

The config I'm using is exactly the same as the default from server.xml,
except the cluster is defined in Engine, rather than each Host.




Filip Hanik - Dev Lists wrote:
  

also, use Tomcat 5.5.17

Sean O'Reilly wrote:


Hi,

I am trying to get in-memory session replication working and am testing
running 3 seperate tomcat instances on the same server.

I am using tomcat-5.5.15 and apache-2.0.54 with jk2.

Whenever i run my test app although it should be doing round-robin load
balancing it doesn't switch to another instance of tomcat until the
eighth request and does not appear to have sent the session information
across as the session ID changes.

Here are my server.xml and workers2.properties files

server.xml



  
  
  
  
  


  
  







  

  

  
  





















jvmRoute="Tomcat5A">  
 

  
  

  

  
  

  
  

  

  

  

  

  
  

 
   

className="org.apache.catalina.cluster.tcp.SimpleTcpCluster"

managerClassName="org.apache.catalina.cluster.session.DeltaManager"

 expireSessionsOnShutdown="false"
 useDirtyFlag="true"
 notifyListenersOnReplication="true">

className="org.apache.catalina.cluster.mcast.McastService"

mcastAddr="228.0.0.4"
mcastPort="45564"
mcastFrequency="500"
mcastDropTime="3000"/>

className="org.apache.catalina.cluster.tcp.ReplicationListener"

tcpListenAddress="auto"
tcpListenPort="4001"
tcpSelectorTimeout="100"
tcpThreadCount="6"/>

   
className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"

replicationMode="pooled"
ackTimeout="15000"/>

  
filter=".*\.gif;.*\.js;.*\.jpg;.*\.png;.*\.htm;.*\.html;.*\.css;.*\.txt;"/>


   
  

  














  



  




workers2.properties

[logger.apache2]
file="/etc/httpd/conf/logs/error.log"
level=INFO
debug=1

# Config settings
[config]
file=/etc/httpd/conf/workers2.properties
debug=0

# Shared memory file settings
[shm]
file=/etc/httpd/conf/jk2.shm
size=10

# Communcation channel settings for "Tomcat5A"
[channel.socket:localhost:8009]
host=localhost
port=8009
tomcatId=Tomcat5A
group=balanced
lb_factor=1
route=Tomcat5A


# Declare a Tomcat5A worker
[ajp13:localhost:8009]
channel=channel.socket:Tomcat5A


# Communcation channel settings for "Tomcat5B"
[channel.socket:localhost:8010]
host=localhost
port=8010
tomcatId=Tomcat5B
group=balanced
lb_factor=1
route=Tomcat5B


# Declare a Tomcat5B worker
[ajp13:localhost:8010]
channel=channel.socket:Tomcat5B


# Communcation channel settings for "Tomcat5C"
[channel.socket:localhost:8011]
host=localhost
port=8011
tomcatId=Tomcat5C
group=balanced
lb_factor=1
route=Tomcat5C


# Declare a Tomcat5C worker
[ajp13:localhost:8011]
channel=channel.socket:Tomcat5C

# Load balanced Worker
[lb:balanced]
worker=ajp13:localhost:8009
worker=ajp13:localhost:8010
worker=ajp13:localhost:8011
timeout=90
attempts=3
recovery=30
stickySession=0
noWorkerMsg=Server Busy please retry later.
noWorkerCodeMsg=503

# URI mappings for the tomcat worker
# Map the "jsp-examples" web application context to the web server URI
space
[uri:/jsp-examples/*]
info= Mapping for jsp-examples context for tomcat
context=/jsp-examples
group=balanced

[shm]
file=/etc/httpd/conf/jk2.shm
size=100

[uri:/servlets-examples/*]
context=/servlets-examples
group=balanced

# Define a status worker
[status:]

# Status URI mapping
[uri:/jkstatus/*]
group=status


obviously the server.xml files on the other 2 instances of tomcat are
the same except the ports and jvmRoute have been changed.


c

Re: mod_jk failover and preferring localhost

you've setup sticky_sessions to be false, (btw, I thought that only took 
0/1 values) so how can you expect session affinity from that?


Filip


thuss2 wrote:

We have 10 web servers with Tomcat's running on them and a mod_jk
configuration to prefer the tomcat on localhost and only failover to another
machine if the local one fails. This worked fine under our older mod_jk,
however, we just upgraded to 1.2.15 and now it that the local_worker
properties are no longer supported, it's load balancing every request.

So I checked out the workers.properties options page:
http://tomcat.apache.org/connectors-doc/config/workers.html and noticed the
new distance option so that I can give localhost a distance of 0 and
everything else a greater distance so that the load balancer should always
prefer localhost. However, it seems to be ignoring the distance property
completely and load balancing every request. Can anyone suggest what I might
try to get it to always use the local tomcat for requests unless it fails:

worker.list=tomcat
worker.tomcat.type=lb
worker.tomcat.socket_timeout=195
worker.tomcat.balance_workers=localhost,latin1,latin2,...
worker.tomcat.sticky_session=False

worker.localhost.port=8009
worker.localhost.host=localhost
worker.localhost.type=ajp13
worker.localhost.lbfactor=1
worker.localhost.distance=0

worker.latin1.port=8009
worker.latin1.host=latin1
worker.latin1.type=ajp13
worker.latin1.lbfactor=1
worker.latin1.distance=1

worker.latin2.port=8009
worker.latin2.host=latin2
worker.latin2.type=ajp13
worker.latin2.lbfactor=1
worker.latin2.distance=1

Thanks,
Todd

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Re: mod_jk failover and preferring localhost


Mladen Turk wrote:

Filip Hanik - Dev Lists wrote:
you've setup sticky_sessions to be false, (btw, I thought that only 
took 0/1 values) so how can you expect session affinity from that?




Recent mod_jk versions can take True/False instead 1/0 just
as an convenience method.

instead or "as well", the latter right?

Filip






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Re: Tomcat session replication/cluster

2006-06-22 Thread Filip Hanik - Dev Lists


Makes sense, can we please ask you to open up a bug for us,
http://issues.apache.org/bugzilla/

thanks
Filip


Pid wrote:

OK,

I'm probably being dense here.

(There's only 1 context in each host, the ROOT context)
If I take the Host/Context offline in one node and restart it, the logs
on that node start showing the following:

 SEVERE: Context manager doesn't exist:host1

As the Context doesn't exist, which is the same message that appears
briefly in the logs during a restart, until that particular Host is
loaded (under normal circumstances).

This much I understand, and provides no problems for me.


With all Hosts available on each node of the cluster, I then update the
Context on one Host, (by adding a new jar, say).  The Context has
reloadable="true", so it does just that.

Once that context has updated, the other nodes start seeing:

 SEVERE: Context manager doesn't exist:host1host1

If I reload the context again, (without restarting the server), I see this:

 SEVERE: Context manager doesn't exist:host1host1host1

I could go on, but I think you can see where this is going...



Peter Rossbach wrote:
  

Hmm,

look at o.a.c.cluster.tcp.SimpleTcpCluster

L 626ff
private String getManagerName(String name, Manager manager) {
String clusterName = name ;
if(getContainer() instanceof Engine) {
Container context = manager.getContainer() ;
if(context != null && context instanceof Context) {
Container host = ((Context)context).getParent();
if(host != null && host instanceof Host)
clusterName = host.getName()  + name ;
}
}
return clusterName;
}


You see we append "hostname + context" as cluster engine container.

Peter



Am 22.06.2006 um 10:32 schrieb Pid:



Filip Hanik - Dev Lists wrote:
  

if the cluster is put in the engine element, the context names are
prefixed with the engine name, since you can have multiple contexts with
the same name in different host
when reloading a context, you'll get these errors cause the context is
not available during the reload
this will be fixed with the new Apache Tribes module
Filip


I understand that the context is not available during reload. After
reload has completed, the error persists.

My Engine name is Catalina, it looks like the cluster isn't sending the
engine name, but the context name, appended to itself.

You're implying that it should send Catalina+website1, but it's sending
website1+website1 instead.

After startup:
Node1 sees Node2 send "website2"
Node2 sees Node1 send "website1"

After context on Node1 is finished reloading:
Node1 sees Node2 send "website2"
Node2 sees Node1 send "website1website1"

I think that the context name is being appended to itself.


  

Pid wrote:


I'm seeing an issue on 5.5.17 with a 2 node cluster config.
When a context is reloaded, it sends the context node name incorrectly
to the cluster.
E.g. context is called "website1"

SEVERE: Context manager doesn't exist:website1website1

The config I'm using is exactly the same as the default from
server.xml,
except the cluster is defined in Engine, rather than each Host.




Filip Hanik - Dev Lists wrote:

  

also, use Tomcat 5.5.17

Sean O'Reilly wrote:



Hi,

I am trying to get in-memory session replication working and am
testing
running 3 seperate tomcat instances on the same server.

I am using tomcat-5.5.15 and apache-2.0.54 with jk2.

Whenever i run my test app although it should be doing round-robin
load
balancing it doesn't switch to another instance of tomcat until the
eighth request and does not appear to have sent the session
information
across as the session ID changes.

Here are my server.xml and workers2.properties files

server.xml



  
  
  
  
  




  
  







  

  

  
  




















   

  
  

  

  
  

  
  

  

  

  

  

  
  

 
   











   
  
















  



  




workers2.properties

[logger.apache2]
file="/etc/httpd/conf/logs/error.log"
level=INFO
debug=1

# Config settings
[config]
file=/etc/httpd/conf/workers2.properties
debug=0

# Shared memory file settings
[shm]
file=/etc/httpd/conf/jk2.shm
size=10

# Communcation channel settings for "Tomcat5A"
[channel.socket:localhost:8009]
host=localhost
port=8009
tomcatId=Tomcat5A
group=balanced
lb_factor=1
route=Tomcat5A


# Declare a Tomcat5A worker
[aj

Re: Tomcat session replication/cluster




Hi Guys,

I appear to be finally getting somewhere with the in-memory state
replication but am now getting the following error when starting up my
tomcat instances/

WARNING: Manager [/jsp-examples], requesting session state from
org.apache.catalina.cluster.mcast.McastMember[tcp://192.168.4.121:4001,catalina,192.168.4.121,4001,
alive=74436]. This operation will timeout if no session state has been
received within 60 seconds. 23-Jun-2006 13:27:38
org.apache.catalina.cluster.session.DeltaManager waitForSendAllSessions
SEVERE: Manager [/jsp-examples]: No session state send at 23/06/06
13:26 received, timing out after 60,140 ms. 23-Jun-2006 13:27:38
org.apache.catalina.core.ApplicationContext log INFO: ContextListener:
contextInitialized() 23-Jun-2006 13:27:38
org.apache.catalina.core.ApplicationContext log INFO: SessionListener:
contextInitialized() 23-Jun-2006 13:27:38
org.apache.jk.common.ChannelSocket init INFO: JK: ajp13 listening
on /0.0.0.0:8009 23-Jun-2006 13:27:38 org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/224  config=null 23-Jun-2006 13:27:38
org.apache.catalina.storeconfig.StoreLoader load INFO: Find registry
server-registry.xml at classpath resource 23-Jun-2006 13:27:39
org.apache.catalina.startup.Catalina start INFO: Server startup in
67102 ms

Can anyone point me in the right direction as to why the session state
is not being replicated ?
  

Two things to check:
1. What does the other server log say, maybe there is an error there, 
does the other server know of this server?

2. your server.xml, you would need to provide us with a little bit more info

Filip

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Re: one filter for all webapps?





in tomcat you can write a Valve

http://tomcat.apache.org/tomcat-5.5-doc/config/valve.html

this is tomcat specific, so it wouldn't be portable across containers.
Filip


Dean Hiller wrote:
Is there any way to install a ServletFilter that is run
before all
  
webapps(including the default servlet as well)?
  
  
thanks,
  
dean
  
  
  

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Re: Tomcat session replication/cluster

Sean O'Reilly wrote:

On Fri, 23 Jun 2006 09:05:18 -0500
Filip Hanik - Dev Lists <[EMAIL PROTECTED]> wrote:

Hi Guys,

I appear to be finally getting somewhere with the in-memory state
replication but am now getting the following error when starting up
my tomcat instances/

WARNING: Manager [/jsp-examples], requesting session state from
org.apache.catalina.cluster.mcast.McastMember[tcp://192.168.4.121:4001,catalina,192.168.4.121,4001,
alive=74436]. This operation will timeout if no session state has
been received within 60 seconds. 23-Jun-2006 13:27:38
org.apache.catalina.cluster.session.DeltaManager
waitForSendAllSessions SEVERE: Manager [/jsp-examples]: No session
state send at 23/06/06 13:26 received, timing out after 60,140 ms.
23-Jun-2006 13:27:38 org.apache.catalina.core.ApplicationContext
log INFO: ContextListener: contextInitialized() 23-Jun-2006 13:27:38
org.apache.catalina.core.ApplicationContext log INFO:
SessionListener: contextInitialized() 23-Jun-2006 13:27:38
org.apache.jk.common.ChannelSocket init INFO: JK: ajp13 listening
on /0.0.0.0:8009 23-Jun-2006 13:27:38 org.apache.jk.server.JkMain
start INFO: Jk running ID=0 time=0/224 config=null 23-Jun-2006
13:27:38 org.apache.catalina.storeconfig.StoreLoader load INFO:
Find registry server-registry.xml at classpath resource 23-Jun-2006
13:27:39 org.apache.catalina.startup.Catalina start INFO: Server
startup in 67102 ms

Can anyone point me in the right direction as to why the session
state is not being replicated ?

Two things to check:
1. What does the other server log say, maybe there is an error there,
does the other server know of this server?

2. your server.xml, you would need to provide us with a little bit
more info

Filip

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I might be being a bit thick here !!!

I have 3 servers !

One is running apache2, mod_jk2 and tomcat-5.5.17, the other two just
have tomcat-5.5.17. Do i need to have apache and mod_jk2 running on all
servers ?

I am sure it would be easier to use mod_proxy_balancer and
mod_proxy_ajp but can't find any documentation anywhere.

Thanks for the help so far guys.

your problem is not related to Apache or mod_jk, its strictly Tomcat.
Session state transfer fails.

and that's the path you need to persue.
1. Check all your tomcat logs
2. Make sure that node discovery is working, you should have in each of
your tomcat nodes, a info log statement saying it detected the other two
nodes.

Filip

Filip Hanik

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Re: Tomcat session replication/cluster


Sean O'Reilly wrote:

On Fri, 23 Jun 2006 10:00:36 -0500
Filip Hanik - Dev Lists <[EMAIL PROTECTED]> wrote:

  

Sean O'Reilly wrote:


On Fri, 23 Jun 2006 09:05:18 -0500
Filip Hanik - Dev Lists <[EMAIL PROTECTED]> wrote:

  
  

Hi Guys,

I appear to be finally getting somewhere with the in-memory state
replication but am now getting the following error when starting
up my tomcat instances/

WARNING: Manager [/jsp-examples], requesting session state from
org.apache.catalina.cluster.mcast.McastMember[tcp://192.168.4.121:4001,catalina,192.168.4.121,4001,
alive=74436]. This operation will timeout if no session state has
been received within 60 seconds. 23-Jun-2006 13:27:38
org.apache.catalina.cluster.session.DeltaManager
waitForSendAllSessions SEVERE: Manager [/jsp-examples]: No session
state send at 23/06/06 13:26 received, timing out after 60,140 ms.
23-Jun-2006 13:27:38 org.apache.catalina.core.ApplicationContext
log INFO: ContextListener: contextInitialized() 23-Jun-2006
13:27:38 org.apache.catalina.core.ApplicationContext log INFO:
SessionListener: contextInitialized() 23-Jun-2006 13:27:38
org.apache.jk.common.ChannelSocket init INFO: JK: ajp13 listening
on /0.0.0.0:8009 23-Jun-2006 13:27:38 org.apache.jk.server.JkMain
start INFO: Jk running ID=0 time=0/224  config=null 23-Jun-2006
13:27:38 org.apache.catalina.storeconfig.StoreLoader load INFO:
Find registry server-registry.xml at classpath resource
23-Jun-2006 13:27:39 org.apache.catalina.startup.Catalina start
INFO: Server startup in 67102 ms

Can anyone point me in the right direction as to why the session
state is not being replicated ?
  
  
  

Two things to check:
1. What does the other server log say, maybe there is an error
there, does the other server know of this server?
2. your server.xml, you would need to provide us with a little bit
more info

Filip

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I might be being a bit thick here !!!

I have 3 servers !

One is running apache2, mod_jk2 and tomcat-5.5.17, the other two
just have tomcat-5.5.17. Do i need to have apache and mod_jk2
running on all servers ?

I am sure it would be easier to use mod_proxy_balancer and
mod_proxy_ajp but can't find any documentation anywhere.

Thanks for the help so far guys.
  
  
your problem is not related to Apache or mod_jk, its strictly Tomcat. 
Session state transfer fails.

and that's the path you need to persue.
1. Check all your tomcat logs
2. Make sure that node discovery is working, you should have in each
of your tomcat nodes, a info log statement saying it detected the
other two nodes.

Filip





Here is what is written to my logs

23-Jun-2006 16:26:38 org.apache.catalina.cluster.session.DeltaManager
waitForSendAllSessions SEVERE: Manager [/jsp-examples]: No session
state send at 23/06/06 16:25 received, timing out after 60,121 ms.
23-Jun-2006 16:26:38 org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: contextInitialized() 23-Jun-2006 16:26:38
org.apache.catalina.core.ApplicationContext log INFO: SessionListener:
contextInitialized() 23-Jun-2006 16:26:39
org.apache.jk.common.ChannelSocket init INFO: JK: ajp13 listening
on /0.0.0.0:8009 23-Jun-2006 16:26:39 org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/230  config=null
23-Jun-2006 16:26:39 org.apache.catalina.storeconfig.StoreLoader load
INFO: Find registry server-registry.xml at classpath resource
23-Jun-2006 16:26:39 org.apache.catalina.startup.Catalina start
INFO: Server startup in 67074 ms
  


I'm sure the is plenty more in the log earlier that you are kindfully 
omitting and that is vital


Filip



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Re: one filter for all webapps?

didn't even think about that, yes, and put the compiled filter into 
common/lib or common/classes


Filip

Jon Wingfield wrote:
Can't you add the filter to conf/web.xml? I think tomcat 
(conceptually) folds all of conf.xml into each webapp's web.xml.


Again, this behaviour is tomcat specific but at least the filter isn't.

Jon

Filip Hanik - Dev Lists wrote:

  in tomcat you can write a Valve

http://tomcat.apache.org/tomcat-5.5-doc/config/valve.html

this is tomcat specific, so it wouldn't be portable across containers.
Filip


Dean Hiller wrote:

Is there any way to install a ServletFilter that is run before all
webapps(including the default servlet as well)?

thanks,
dean

 
No virus found in this incoming message.

Checked by AVG Free Edition.
Version: 7.1.394 / Virus Database: 268.9.2/372 - Release Date: 
6/21/2006
  



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Re: Tomcat 5.5 load balancing URL redirefction not transparent to client

2006-07-13 Thread Filip Hanik - Dev Lists

redirection, as the name tells you, doesn't balance, it redirects, and 
there is nothing transparent about a redirection.
what you are looking for is called proxying, and the best example for 
that, would be mod_proxy in the Apache httpd web server.



Filip

Madhur K Tanwani wrote:

Hi,
I'm separating this question from my earlier thread on load balancing 
rules - it

seems that it was over-looked there since it did not fit in there :(.

My question is that when I use the default balancer webapp from Tomcat 
5.5 the
redirection rules redirect me to either jakarta, cnn or yahoo's site. 
However,

the redirection is not transparent to the user.

for example,
Client Types : http://servername:8080/balancer/
Balancer Redirects To: http://jakarta.apache.org
*The browser URL changes to  : http://jakarta.apache.org*

I think this change of URL does not make the transition transparent. 
Also, the
subsequent requests bypass the load balancer(LB) and are directly 
served by the
server (so what happens if the server is down - the LB has support for 
fail over

but the request never went via the LB)

Please could someone throw some light on the same?
Awaiting responses,




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Re: starting with windows service

2006-07-13 Thread Filip Hanik - Dev Lists


http://people.apache.org/~fhanik/wrapper.html

Vinu Varghese wrote:

Hi Sk,
Have u tried with the windows binary of tomcat ?

- regards
Vinu

Shinya Koizumi wrote:

Any word on this problem.
SK.

- Original Message - From: "Shinya Koizumi" 
<[EMAIL PROTECTED]>

To: 
Sent: Monday, July 10, 2006 3:22 PM
Subject: starting with windows service


Recently i take over project developed by servlet.
Currently whenever start the web server I have to
click on the mycompany.bat file in CATALINA_HOME/bin folder

mycompany.bat===
@echo off
rem set CATALINA_OPTS=-Djava.security.debug=all

cd %CATALINA_HOME%\bin\
catalina start -security
pause
===

This way is different from how the tomcat starts up when starting
tomcat from windows menu? How can I change the configuration so that
the tomcat is going to start up just like when i click on mycompany.bat
file?

SK





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Re: Tomcat 5.5 load balancing URL redirefction not transparent to client

2006-07-13 Thread Filip Hanik - Dev Lists


Madhur K Tanwani wrote:

Thanks Filip.
I understand now that Tomcat performs redirection - which implies that 
the

URL must change.
Then, I suppose I must ask
- Is something like mod_proxy available in Tomcat?
- Is it possible to emulate the same behavior in Tomcat?
not really, Tomcat isn't really built for any of that kind of stuff 
either, even the "tomcat balancer" is not a real load balancer, its just 
an example app, but you would never use it in the real world due to 
blocking IO and thread dependencies in Tomcat/Java


After my discussion on the Tomcat 5.5 load balancing thread and this 
one, I'm

thinking of a setup like

|
   V
Apache 2.0 httpd Webserver
(LB with sticky sessions, weighted round robin, mod_jk2)
mod_jk2 is obsolete and longer used nor developed. You would need to go 
with mod_jk 1.2.15

   |
   |> Tomcat Worker 1 (ajp13)
   |> Tomcat Worker 2 (ajp13)
   |> Tomcat Worker 3 (ajp13)

The session management will be done using either JDBCStore or in-memory
replication amongst the Tomcat servers.

Can you suggest something in the design that is wither wrong or can be 
improved?
Is there something that the LB gurus find obviously wrong here and 
would want to

tell me (or would you want me to encounter it as it comes :) )?
looks good, if you only have one httpd, is that a single point of 
failure for you?





Awaiting your valuable comments,
Madhur.

Filip Hanik - Dev Lists wrote:
redirection, as the name tells you, doesn't balance, it redirects, 
and there is nothing transparent about a redirection.
what you are looking for is called proxying, and the best example for 
that, would be mod_proxy in the Apache httpd web server.



Filip

Madhur K Tanwani wrote:

Hi,
I'm separating this question from my earlier thread on load 
balancing rules - it

seems that it was over-looked there since it did not fit in there :(.

My question is that when I use the default balancer webapp from 
Tomcat 5.5 the
redirection rules redirect me to either jakarta, cnn or yahoo's 
site. However,

the redirection is not transparent to the user.

for example,
Client Types : http://servername:8080/balancer/
Balancer Redirects To: http://jakarta.apache.org
*The browser URL changes to  : http://jakarta.apache.org*

I think this change of URL does not make the transition transparent. 
Also, the
subsequent requests bypass the load balancer(LB) and are directly 
served by the
server (so what happens if the server is down - the LB has support 
for fail over

but the request never went via the LB)

Please could someone throw some light on the same?
Awaiting responses,




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Re: Tomcat clustering

2006-07-20 Thread Filip Hanik - Dev Lists


http://tomcat.apache.org/tomcat-5.5-doc/cluster-howto.html


Konstantina wrote:

Hello,

I have read that in Tomcat5 there is a way to  multicast session data to a
group of servers, so that each has the same  information and the client can
contact any server. How can I multicast information saved  in application
context? How this information can be pushed to tomcats that join the  group
of servers much later that the others have started and have already data
stored in application context?

 


Thank you in advance,

Konstantina

 



  



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Re: cluster SimpleTcpCluster in 5.5.17

2006-07-21 Thread Filip Hanik - Dev Lists

Are you saying that the message below keeps repeating itself? over and 
over again?

what does your full log say?

Filip


Jean-frederic Clere wrote:

Hi,

I have trying to get the SimpleTcpCluster running but I only get:
+++
INFO: Replication member 
added:org.apache.catalina.cluster.mcast.McastMember[tcp://192.168.4.88:4001,catalina,192.168.4.88,4001, 
alive=5006428]
Jul 20, 2006 6:50:46 PM 
org.apache.catalina.cluster.tcp.SimpleTcpCluster memberDisappeared
INFO: Received member 
disappeared:org.apache.catalina.cluster.mcast.McastMember[tcp://192.168.4.88:4001,catalina,192.168.4.88,4001, 
alive=5006428]
Jul 20, 2006 6:52:48 PM 
org.apache.catalina.cluster.tcp.SimpleTcpCluster memberAdded

+++

Any hints?

Cheers

Jean-Frederic









  

  
  
  
  

  
  







  

  

  
  













   enableLookups="false" redirectPort="8443" protocol="AJP/1.3" />








 
 




  
  

  

  
  

  
  

  

  

  

  

  
  

  

 



 
managerClassName="org.apache.catalina.cluster.session.DeltaManager"
 expireSessionsOnShutdown="false"
 useDirtyFlag="true"
 notifyListenersOnReplication="true">

className="org.apache.catalina.cluster.mcast.McastService"

mcastAddr="228.0.0.4"
mcastPort="45564"
mcastFrequency="500"
mcastDropTime="3000"/>

className="org.apache.catalina.cluster.tcp.ReplicationListener"

tcpListenAddress="192.168.4.43"
tcpListenPort="4001"
tcpSelectorTimeout="100"
tcpThreadCount="6"/>




   

  tempDir="/tmp/war-temp/"
  deployDir="/tmp/war-deploy/"
  watchDir="/tmp/war-listen/"
  watchEnabled="false"/>
  















  



  



  



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Re: Setting heap once the tomcat JVM is started

2006-07-21 Thread Filip Hanik - Dev Lists

since the heap is a Java VM configuration, not a Tomcat setting, you 
would have to consult your VM vendors documentation.

The short answer would be no.

Filip

sajid khan wrote:

Hi All,

Can we set the JVM heap size after the Tomcat has started ? I mean to say
configure heap at runtime

Thanks



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Re: Servlet/session becoming null

2006-07-31 Thread Filip Hanik - Dev Lists


if you are saying the tomcat session is dropped then, two reasons could be:

1. the session cookie is dropped
2. the session has expired (been idle longer than your timeout setting)

but your stack trace show TransactionSession, and it could be that your 
TransactionSession is holding a reference to the Tomcat session,
but the reference it is actually holding is a facade object, and the 
facade loses it connection to the delegate, hence the facade method.


Make sure you always get your reference to the session using the servlet 
API, and do NOT store a reference to it, as it is not the real session, 
just a facade object.


Filip


rache wrote:

I have this error occuring when loading a jsp:

2006-07-28 17:33:01 StandardWrapperValve[debugjsp]: Servlet.service() for
servlet debugjsp threw exception
java.lang.NullPointerException
at
com.premier.ofa.core.TransactionSession.getAttribute(TransactionSession.java:34)
at
com.premier.ofa.core.TransactionRequest.getConfigurationAttribute(TransactionRequest.java:125)
at
com.premier.SignOn.UserInqAuthTaskBean.isFeatureConfigured(UserInqAuthTaskBean.java:366)
at org.apache.jsp.jsp.security_jsp._jspService(security_jsp.java:1264)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

This happens on and off. In tracking the error, sometimes the session can be
null. Why is this happening?

Anyone familiar with this kind of exception?
Thanks!


  



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Re: org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver of class '' for connect URL 'null'

2006-07-31 Thread Filip Hanik - Dev Lists


looks like your context XML file is not a valid XML format

Filip


Aynalem, Seblewengel (Trawick) wrote:

Yes I do have SQL JDBC driver in common/lib as sqljdbc.jar and did drop 
 from context.xml file.  Another error comes ups as follows:

Jul 31, 2006 3:01:05 PM org.apache.catalina.core.AprLifecycleListener 
lifecycleEvent
INFO: The Apache Tomcat Native library which allows optimal performance in 
production environments was not found on the java.library.path: 
C:\Java\jdk1.5.0_07\bin;.;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program
 Files\Common Files\Roxio 
Shared\DLLShared;C:\Java\jdk1.5.0_07\bin;%CATALINA_BASE%\bin;C:\Program 
Files\Microsoft SQL Server\80\Tools\BINN
Jul 31, 2006 3:01:05 PM org.apache.coyote.http11.Http11BaseProtocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
Jul 31, 2006 3:01:05 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 1732 ms
Jul 31, 2006 3:01:05 PM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Jul 31, 2006 3:01:05 PM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/5.5.17
Jul 31, 2006 3:01:05 PM org.apache.catalina.core.StandardHost start
INFO: XML validation disabled
Jul 31, 2006 3:01:08 PM org.apache.tomcat.util.digester.Digester fatalError
SEVERE: Parse Fatal Error at line 11 column 79: Element type "Resource" must be followed by either 
attribute specifications, ">" or "/>".
org.xml.sax.SAXParseException: Element type "Resource" must be followed by either attribute 
specifications, ">" or "/>".
at 
com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:236)
at 
com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:215)
at 
com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:386)
at 
com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:316)
at 
com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1438)
at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:845)
at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1693)
at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:368)
at 
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:834)
at 
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764)
at 
com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:148)
at 
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1242)
at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1561)
at 
org.apache.catalina.startup.ContextConfig.processContextConfig(ContextConfig.java:781)
at 
org.apache.catalina.startup.ContextConfig.contextConfig(ContextConfig.java:721)
at 
org.apache.catalina.startup.ContextConfig.init(ContextConfig.java:977)
at 
org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:278)
at 
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at 
org.apache.catalina.core.StandardContext.init(StandardContext.java:5130)
at 
org.apache.catalina.core.StandardContext.start(StandardContext.java:3945)
at 
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
at 
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
at 
org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:904)
at 
org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:867)
at 
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:474)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1122)
at 
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
at 
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1021)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1013)
at 
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
at 
org.apache.catalina.core.StandardService.start(StandardService.java:450)
at 
org.apache.catalina.core.StandardServer.star

Re: Tomcat Cluster

2006-08-01 Thread Filip Hanik - Dev Lists

it means that server-A has the webapp /edac but server-B doesn't. and 
server B is receiving messages, and ignoring them
doesn't mean its an error, only if you expect both servers to have the 
webapp. This is not the case if one server is starting up and has not 
deployed the app yet

Filip

Ralf Schneider wrote:

Hi,

I started some experiments with a cluster of 2 Tomcats (5.5.16). I configured 
the two Tomcats nearly identically (except the ports). I think the cluster 
works as I see messages in the console saying that a new cluster member was 
recognized when the second Tomcat starts.


The only confusing messages are the following:
27.07.2006 13:27:17 org.apache.catalina.cluster.session.ClusterSessionListener 
messageReceived

WARNUNG: Context manager doesn't exist:/edac
27.07.2006 13:27:18 org.apache.catalina.cluster.session.ClusterSessionListener 
messageReceived

WARNUNG: Context manager doesn't exist:/edac
27.07.2006 13:27:18 org.apache.catalina.cluster.session.ClusterSessionListener 
messageReceived

WARNUNG: Context manager doesn't exist:/edac

edac in my application under webapps. What do these messages mean? Did I miss 
anything with my configuration? Is this a problem for the session 
replication? And what do I have to configure?


Best regards,
Ralf.

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Re: tomcat 5.0 maintenance

2006-08-02 Thread Filip Hanik - Dev Lists

There is an interest and willingness to maintain, to my best knowledge 
we haven't received any complaints on fixes needed for 5.0.30-beta
but once we have a list of required bug fixes, we can start working on 
it and issue a release

Filip


Frank Peters wrote:

Hi,

can someone give me a hint, if tomcat 5.0.x is still a maintained version? The 
most recent version 5.0.30-beta was published in Nov 2004 and I found no fix 
branch in the links to the svn repository on the homepage.

Regards
Frank
  



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Re: Ant Build Problem Undeploying Struts App from Tomcat

2006-08-02 Thread Filip Hanik - Dev Lists


since 5.5.x is currently at .17, what don't you upgrade to that,
before you call deploy, make sure you call remove/undeploy
if the problem persists, post what is going wrong

Warren wrote:

I am running Tomcat 5.5.3 on a Windows XP box. When I run my Ant build task
to "undeploy" my webapp, it deletes everything except the struts.jar file.
When I run my Ant "deploy" task it fails stating that an "Application
already exists at path /...". I just updated to Tomcat 5.5.3 from 5.5.1.
Everything worked correctly with 5.5.1, I just can't remember what I had
set-up differently.













Thanks,

Warren


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Re: SSL does not work on work.

2006-08-02 Thread Filip Hanik - Dev Lists


try using https for secure transport,
ie,
https://localhost:8443
   ^


Chandra Muppavarapu wrote:

Folks,

  I am trying to turn on SSL on my tomcat running as a webserver. I have
followed the steps in the following  link but my SSL still does not work.

http://tomcat.apache.org/tomcat-5.5-doc/ssl-howto.html


When I type in http://localhost:8443 I get a blank screen. I tried to 
begug

it by turn on tracing in tomcat but don't see any error messages. Here is
the entry for ssl connector in  my server.xml file. Any help will be 
greatly

appreciated.


   
keystoreFile="c:\j2sdk1.4.2_10\jre\lib\security\keystore.jks"

  keystorePass="changeit"
  clientAuth="false" sslProtocol="TLS" />

Thanks



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Re: Query regarding tomcat cluster

that link contains all the necessary steps, when installing on the same 
machine, you must avoid port conflicts, the two instances aren't allowed 
to share ports like 8080,8009,4001 etc


Filip


Vinod Devarajan wrote:

Hi
I tried installing Tomcat 5.0.28 on Solaris 10. I then installed one more
instance and followed the steps in the website below.
http://tomcat.apache.org/tomcat-5.0-doc/cluster-howto.html
I am basically installing both instances on same machine.
I was able to start both the instances.
The problem I have is only the instance I start first is responding. 
So, if
I kill / shutdown the instance which was not started first, then it is 
not

acting as a backup.
Its saying connection was refused when attempting contact local host 
8080.
Please provide me with necessary steps for installing the Tomcat 
clusters.

Thank You.
Vinod



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Re: multiple instances of tomcat


it could be easier to just

cp -r TC_HOME_1 TC_HOME_2

and voila, two instances, just remember to change the ports in 
TC_HOME_2/conf/server.xml to be different from server_1


Filip


Chris Lear wrote:

* Pratap Parne wrote (03/08/06 15:50):

how to setup and deploy applications on multiple
instances of tomcat on a single box.can anyone give me
the steps to do that


You need to use different CATALINA_BASE variables for the different 
instances. It's badly documented (in my opinion), but you can try here:


http://www.google.co.uk/search?q=+site%3Atomcat.apache.org+tomcat+catalina_base 



And read the comments in catalina.sh (or catalina.bat)

Basically, you need to set CATALINA_BASE to a directory that contains 
directories called conf, logs, temp, and webapps. A work directory 
will be created there as well. You can have several of these.
The bin, common, server, and shared directories should all be in the 
directory that CATALINA_HOME points to. You need only one of these.


Then make sure your different tomcats don't try to bind to the same 
ports, and you're away.


Chris

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Re: Query regarding tomcat cluster

search the docs for iplanet and see if it has any load balancing 
capabilities,


here are some resources, if you want a software balancer to play around with
http://www.linux.com/article.pl?sid=05/07/27/1729229
http://www.inlab.de/balance.html
http://siag.nu/pen


Vinod Devarajan wrote:

Thank you very much.
I have to also use Iplanet (sun one) web server version 4.1 and integrate
all these.
Any suggestions  this.
Vinod

On 8/3/06, Tim Lucia <[EMAIL PROTECTED]> wrote:



> -Original Message-
> From: Vinod Devarajan [mailto:[EMAIL PROTECTED]
> Sent: Thursday, August 03, 2006 9:46 AM
> To: Tomcat Users List
> Subject: Re: Query regarding tomcat cluster
>
> Yes. I changed all the post numbers. I used the next different for the
> second instance.
> So should I run two different instances in two different browers
> initially.
> Like 1 will be http://localhost:8080
> and other will be http://localhost:8081
> Then if one fails will it automatically connect to other one.
> Will my test case work for this.
> Thank You.
> Vinod

You will not be automatically redirected from :8080 to :8081 if the
instance
on :8080 is not available.  To do this, you should front-end the cluster
with a load balancer (mod_jk, mod_proxy both are frequently-used.)

Tim

>
> On 8/3/06, Filip Hanik - Dev Lists <[EMAIL PROTECTED]> wrote:
> >
> > that link contains all the necessary steps, when installing on the
same
> > machine, you must avoid port conflicts, the two instances aren't
allowed
> > to share ports like 8080,8009,4001 etc
> >
> > Filip
> >
> >
> > Vinod Devarajan wrote:
> > > Hi
> > > I tried installing Tomcat 5.0.28 on Solaris 10. I then 
installed one

> > more
> > > instance and followed the steps in the website below.
> > > http://tomcat.apache.org/tomcat-5.0-doc/cluster-howto.html
> > > I am basically installing both instances on same machine.
> > > I was able to start both the instances.
> > > The problem I have is only the instance I start first is 
responding.

> > > So, if
> > > I kill / shutdown the instance which was not started first, 
then it

is
> > > not
> > > acting as a backup.
> > > Its saying connection was refused when attempting contact local 
host

> > > 8080.
> > > Please provide me with necessary steps for installing the Tomcat
> > > clusters.
> > > Thank You.
> > > Vinod
> > >
> > >
--
> --
> > >
> > > No virus found in this incoming message.
> > > Checked by AVG Free Edition.
> > > Version: 7.1.394 / Virus Database: 268.10.5/405 - Release Date:
> 8/1/2006
> > >
> >
> >
> > 
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> >
> >


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Re: Help with redirection from http to https


yes, web.xml for your web-application

http://e-docs.bea.com/wls/docs61/webapp/web_xml.html#1019727

user-data-constraint & CONFIDENTIAL

Filip

Chandra Muppavarapu wrote:

Folks,

I have a packaged software that uses tomcat as the webserver. I would 
like
the users to be automatically redirected to  https even when the type 
in an

URL starting with http.

1) Is there any way this could be acheived through a tomcat configuration
change?

2) If not what are the alternatives?

Thanks
Chandra



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Re: how to use jsvc to stop the tomcat service

if you want a more complete Tomcat service, that lets you do thread 
dumps etc, take a look at:


http://people.apache.org/~fhanik/wrapper.html

Filip

Patrick Wang wrote:

Hi All:

I am using TOMCAT 5.0.28, I found the following command to start a tomcat
instance on the documentation page, however it did not mention how to stop the
tomcat, I am currently using kill <> and wondering if there is a more
elegant solution.

Thanks

Pat
===

./bin/jsvc -Djava.endorsed.dirs=./common/endorsed -cp ./bin/bootstrap.jar \
-outfile ./logs/catalina.out -errfile ./logs/catalina.err \
org.apache.catalina.startup.Bootstrap



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Re: how to use jsvc to stop the tomcat service


of course, stopping a service is used using the Windows "Services" GUI.

Control Panel -> Administrative Tools -> Services

Filip


Patrick Wang wrote:

Hi All:

I am using TOMCAT 5.0.28, I found the following command to start a tomcat
instance on the documentation page, however it did not mention how to stop the
tomcat, I am currently using kill <> and wondering if there is a more
elegant solution.

Thanks

Pat
===

./bin/jsvc -Djava.endorsed.dirs=./common/endorsed -cp ./bin/bootstrap.jar \
-outfile ./logs/catalina.out -errfile ./logs/catalina.err \
org.apache.catalina.startup.Bootstrap



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Re: steps multiple instances of tomcat

if you don't install it as a service, it is as easy on windows as on 
linux, there is no requirement for it to run as a service.


but if you want the simple way of creating two tomcats running as 
services, don't use the tomcat provided wrapper, use:

http://people.apache.org/~fhanik/wrapper.html

this wrapper also allows for threads dumps, something the existing 
wrapper is missing.


Filip


[EMAIL PROTECTED] wrote:

It depends on the environment you're running on...

In my experience, it is easier to get multiple Tomcat instances running
on Linux than it is on Windows.

For Linux, I just gzuniped the Tomcat installation package twice; once
in /usr/local/tomcat_01 and again in /usr/local/tomcat_02.  I modified
the server.xml in the 2nd tomcat instance to use port :9090 and :943
instead of :8080 and :843 and that was it.

On Windows, I couldn't get two completely separate instances to install
and live together as services.  The second installation overwrote all of
the magic in the Windows registry that had been configured by the first
tomcat installation so that after I installed both, only the 2nd tomcat
instance would start as a service.  To get around this, I uninstalled
the 2nd tomcat instance and modified the server.xml in the first tomcat
instance to contain 2 separate  blocks; each  block
has its own , so you can configure the ports again to look as if
there are 2 separate tomcat installations running on that box.

Good luck,
Tom

-Original Message-
From: Pratap Parne [mailto:[EMAIL PROTECTED] 
Sent: Friday, August 04, 2006 10:47 AM

To: users@tomcat.apache.org
Subject: steps multiple instances of tomcat


how to setup and deploy applications on multiple
instances of tomcat on a single box.can anyone give me
the steps to do that.plz make it clear.ow to run
application using any particular tomcat


__
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Re: Tomcat SSL question

set "redirectPort" on your AJP(port 8009) connector to 443

http://tomcat.apache.org/tomcat-5.5-doc/config/ajp.html

using mod_jk, you will not use port 8080 and 8443, only 8009.

Filip

David Miller wrote:

I can't do that because the web server uses those ports.

Perhaps someone can just verify the following; will tomcat with mod_jk 
allow

me to access encrypted pages without seeing the port in the URL?
Example: we want to see this https://localhost/my-secured-webapp and NOT
this https://localhost:8443/my-secured-webapp

David

On 8/3/06, Mark Thomas <[EMAIL PROTECTED]> wrote:

David Miller wrote:
> When I run my app using Tomcat only (without apache httpd) I 
specify the

> ports for secure and non-secure pages; http://localhost:8080/my-app or
> https://localhost:8443/my-app for example.
>
> I've installed mod_jk hoping that Apache httpd would handle
> the connection allowing me to omit the port numbers. Is that what 
should

be
> happening?

Or you could just change the ports in server.xml to 80 and 443 Don't
forget to change the redirect port as well.

Mark

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Re: Restarting Tomcat causes application to be displayed across all instances

could be several reasons, one common one is that somewhere in your 
restart script, you are setting the classpath manually to include the 
classes.

another would be that your classes are in shared/classes or shared/lib

if not, you'd need to dig deeper.

Ryan O'Hara wrote:
Currently, we have a few three development instances of the "same" 
application being run - webapps/A, webapps/B, and webapps/C.  By same 
I mean the same application, although each instance is usually a bit 
different, as the developers work on their individual instance.  The 
problem we are facing is that when a user restarts Tomcat, their Java 
code (and not their jsp or html code) is displayed on their web 
instance as well as all other web instances.  So, for example, if user 
A restarts Tomcat, their Java code is seen also on the web instances 
of user B and user C.  It is important to note that the actual code is 
not copied over to each of the users directory when a restart occurs, 
yet the code is viewed across all instances.  Anyone have any idea why 
this behavior could be taking place?  I recently created a Listener 
class to precompute a few variables.  This may or may not be related 
(don't think it is).  Thanks.


Ryan

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Re: How do I direct all http requests to Https


I just responded to this yesterday,

web.xml for your web-application

http://e-docs.bea.com/wls/docs61/webapp/web_xml.html#1019727

user-data-constraint & CONFIDENTIAL

Filip

William Chu wrote:

How do I direct a user to the https url when they use the http url?

i.e. http:// is directed to https://

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Re: How do I direct all http requests to Https


what?

the reference to weblogic is not to the weblogic server, simply to their 
excellent documentation of the standard web.xml file.
you don't need more than one web.xml file, all you need to do is set the 
 element correctly,

and tomcat will automatically redirect all HTTP to HTTPS for you.

the documentation link is so that you can spend some time reading about it:)

the  setting is a servlet spec standard, and will 
work on any servlet container.


Filip


MC Moisei wrote:

Is there a why to set you my context to use a different web.xml file ?
I use tomcat to speedup my Weblogic developement and that would 
require to have two web.xml files. Is there a way to set the context 
to user for example web_tomcat.xml file instead ?


I work in exploded format.
Thanks,
MC






From: Filip Hanik - Dev Lists <[EMAIL PROTECTED]>
Reply-To: "Tomcat Users List" 
To: Tomcat Users List 
Subject: Re: How do I direct all http requests to Https
Date: Fri, 04 Aug 2006 13:22:57 -0500

I just responded to this yesterday,

web.xml for your web-application

http://e-docs.bea.com/wls/docs61/webapp/web_xml.html#1019727

user-data-constraint & CONFIDENTIAL

Filip

William Chu wrote:

How do I direct a user to the https url when they use the http url?

i.e. http:// is directed to https://

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Re: How do I direct all http requests to Https


something like

   
   Automatic SSL Forwarding
   *
   -->
   
 
   CONFIDENTIAL
 
   
   

but you might have to hit the docs

Filip

William Chu wrote:

Hi Filip,

Thank you for the help. Much appreciated. However, when I add the
security constraint to my web.xml, I do not get redirected to the
https url. I get the http url. Any ideas?

Thank you,
Will




   

   
   
   
   


 
  CONFIDENTIAL
 




On 8/4/06, Filip Hanik - Dev Lists <[EMAIL PROTECTED]> wrote:

I just responded to this yesterday,

web.xml for your web-application

http://e-docs.bea.com/wls/docs61/webapp/web_xml.html#1019727

user-data-constraint & CONFIDENTIAL

Filip

William Chu wrote:
> How do I direct a user to the https url when they use the http url?
>
> i.e. http:// is directed to https://
>
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>
>


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Re: logging url of page

2006-08-05 Thread Filip Hanik - Dev Lists


Almir Kazazic wrote:

Hi ,

I am using tomcat 5.5 with log4j to log my errors, and it works great,
but it would be of great help if I could get information about URL of
errror, this way I could reproduce it and remove much faster,  I want
to have this code on a single place and not for every exception in
application


Using errorpage wont work anyhow (as it throws invalidStateExeption or
something similar).


using error page will work, as you can specify Exception error pages, 
not just codes, take a look at a web.xml

tutorial




I have my own exceptions which are used through whole application as
well a single place to call log.fatal and other logger methods, and
this is only place where I could  put code  in single place and use it
through whole application. What I would like to have is something like
tomcat.Context.getCurrentContext().getUrl, or something like that,
where I could, by using some static methods get to context or similar
objects which could tell me about my location.


thanks
almir

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Re: Pointing domain to your application - Source Code is appearing

2006-08-07 Thread Filip Hanik - Dev Lists


Gamefaqs Philippines wrote:

Hmmm.. I didn't have any choice but to search for more docs... I followed the 
instructions from the following sites...

http://johnturner.com/howto/mod_jk_conf.html
http://www.devside.net/web/server/windows/tomcat
http://www.ccl.net/cca/software/UNIX/apache/debian-tomcat/node10.html

and now, editing the  entry in my httpd.conf 


and thats your problem,  is in Tomcat's server.xml file, not in 
Apache's httpd.conf file

in apache, you use 


I think I was at least able to take one step further. However, when I access my 
domain through www.mydomain.com/webapp, the source code for index.jsp appears 
instead of its HTML output. I appreciate any help... Thanks!


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Re: Tomcat Book Recommendation?

2006-08-09 Thread Filip Hanik - Dev Lists

I would say you don't need a book. The tomcat reference and usage docs 
are excellent, and then you have a gazillion tutorials online


Filip


M. Goodell wrote:

Hello,
   
  Are there any text books / reference information about Tomcat on the maket that are considered to be the must haves ??? Years ago, I owned James Goodwills book and that was great, however that is old information now days. 
   
  In particular, what I am looking for is a systematic approach to Apache / Tomcat development with the emphasis on Tomcat of course.
   
  Thanks,
   
  M Goodell
   



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Re: mod_jk 1.2.15 connectivity failing errorcode =13

2006-08-09 Thread Filip Hanik - Dev Lists


hari168 wrote:

I am using Tomcat 5.5 , Apache 1.3.27 and Mod_JK 1.2.15..

Connectivity is failing with following error message in mod_jk.log file

[error] jk_init::mod_jk.c (2039): Initializing
shm:${APACHE_HOME}/logs/jk-runtime-status errno=13

Please any one suggest, how i can dig this issue..



  

replace ${APACHE_HOME} with the actual path in your config file

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Re: JDBCReal drivers

2006-08-10 Thread Filip Hanik - Dev Lists


common/lib

Zohar wrote:

When using JDBCRealm, where should I put my driver jars?
  



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Re: Tomcat 5.5.17 not displaying jsp page???

2006-08-14 Thread Filip Hanik - Dev Lists


look in your tomcat log files, the answer will be in there

Filip


Patrick Wang wrote:

One more thing, I am invoking Tomcat only, no apache involved here by using URL
like

http://169.229.141.108:8080/



-Original Message-
From: Patrick Wang [mailto:[EMAIL PROTECTED] 
Sent: Monday, August 14, 2006 3:00 PM

To: users@tomcat.apache.org
Subject: Tomcat 5.5.17 not displaying jsp page???

Hi,

 


I recently upgrade the TOMCAT from 5.0.28 to 5.5.17 and suddenly found out all
the .JSP page turns out blank page for my application.

 

So I did some investigation and found out 

 


1)   jsp-examples folders come with the TOMCAT 5.5 works perfect.

2)   A simple page test.jsp not working, here is  

 








TEST PAGE SHOULD COME UP



 


3)   After I copy the test.jsp to test.html, the contents showed up
correctly.

4)   I make sure every user has execute/read rights on the whole webapp
folder.

 


Can anyone shed some light?

 


Thanks

pat

 




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Re: Clustering in Tomcat-4.x

2006-08-16 Thread Filip Hanik - Dev Lists


clustering in 4.x was only experimental, and probably has a load of bugs
http://people.apache.org/~fhanik/index.html.old

Filip


jaikiran pai wrote:

Hi,
  Can someone point me to a step by step setup process for Clustering 
Tomcat4.x? The Tomcat documentations that i saw, only talk about Tomcat5.x 
clustering configurations

Thank you.
  regards,
  -Jaikiran


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Re: JMS Alternative

2006-08-17 Thread Filip Hanik - Dev Lists

use qmail or one of those email frameworks, yes, you can access it using 
the JavaMail API
you'd still need logic to handle bounces etc, so you do have some work 
ahead of you


Feris Thia wrote:

Hi All,

Is there any alternative JMS api in Tomcat ? And how can I implement 
multi
threading in JMS, let's say to send mass email (at about 100.000) with 
Java

Mail API with customized attachment ?



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Re: Disable a web application

2006-08-17 Thread Filip Hanik - Dev Lists


yes,
1. remove it from webapps directory
2. set autoDeploy to false, but then you have to manually deploy all the 
others

3. you can stop it once its been deployed


Ralf Schneider wrote:

Hi,

is there a way do disable a web application that is located in the webapps 
directory so that it will not be started during startup of Tomcat?


Best regards,
Ralf.

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Re: Deploying web app over cluster.

2006-08-23 Thread Filip Hanik - Dev Lists

a recent change in 5.5, deploy dir must be your webapps directory, we'll 
revise this again in 6.0


[EMAIL PROTECTED] wrote:

Hello,

I am having some trouble getting a web app to deploy over a cluster.
Node 1 is a Linux box, with /tmp/war-listen, /tmp/war-deploy, /tmp/war-temp
Node 2 is a Windows box, with c:/tomcat5.5/tmp/war-listen etc.. 

The log file shows "...org.apache.catalina.cluster.deploy.FarmWarDeployer - Installing webapp[/appName] From /tmp/war-deploy/appName.war" 
The next line shows " ...org.apache.catalina.cluster.deploy.FarmWarDeployer - Cluster wide remove of of web app /appName


The web app has the  tag in web.xml, and bother cluster node 
server.xml files have:
Linux Version:

Windows Version:


Any suggestions or resources would be greatly appreciated.

  



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Re: Running Tomcat from Bootstrap.main

2006-08-23 Thread Filip Hanik - Dev Lists


your missing commons-logging from your classpath

Zach Calvert wrote:

I am running an Eclipse java application that makes a call to the
Bootstrap.main function.  I am using Log4J as my logger.
 
I set the catalina.home, catalina.base, java.endorsed.dirs, and

java.io.tempdir before I call Bootstrap.main with
 
Bootstrap.main(new String[] {"start"});
 
I get the error

java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
when I make this call.  What is really weird, is that I can do
 
Log log = LogFactory.getFactory().getLog(Logger.class);

log.debug("got log");
 
right before the Bootstrap.main and see 
0 [main] DEBUG org.apache.log4j.Logger  - got log
 
on my command line.  
 
Does anyone have any idea as to what causes this failure?  Do I have to

set some environment variable that I am not aware of?
 
 
 
Thanks,

Zach Calvert

  



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Re: JK 1.2.18 win32 dll not working

2006-08-25 Thread Filip Hanik - Dev Lists

its a known bug, the developers are pushing for 1.2.19 to get released

Filip

Jessica wrote:

Hi Julie,
I`m facing exactly the same problem as you described.
Have you found any solution yet?

Has anyone else succeded in getting jk-1.2.18 to run under IIS?
An answer would help in isolating the problem to IIS or JK.

When googling for IIS isapi filters I came across this link:
http://blogs.msdn.com/david.wang/archive/2005/06/21/HOWTO_Diagnose_and_Fix_Common_ISAPI_Filter_Installation_Failures.aspx

which basicly tell us that the error code means that the ISAPI Filter
specified an ISAPI Filter DLL that does not exist.
But if for any reason GetFilterVersion(), HttpFilterProc() or
GetFilterVersion() returns FALSE when IIS tries loadLibrary, then you will
get the same error with WHATEVER value GetLastError() returns.

Any help preciated!
/* Jessica

Julie Szmyd wrote:

Hi,

I tried to upgrade an older version of the win32 JK isapi_redirect.dll
to the jk-1.2.18 version that I downloaded from
http://mirrors.ibiblio.org/pub/mirrors/apache/tomcat/tomcat-connectors/jk/binaries/win32/jk-1.2.18.
For some reason, IIS is not able to load the ISAPI filter. It errors
out with the following message when I start IIS:

The HTTP Filter DLL C:\java\Tomcat\Jakarta Isapi
Redirector\bin\isapi_redirect.dll failed to load. The data is the error.

data in bytes: : 02 00 00 00

I was able to successfully upgrade to the jk-1.2.15 version, which makes
me think my setup is correct, and there could be a problem with the
binary for jk-1.2.18. Has anyone else gotten the 1.2.18 version working
on Windows XP IIS version 5.1? Are there any differences in
configuration from 1.2.15 to 1.2.18?

Thanks,
Julie Szmyd

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Re: Cluster serialization issue

2006-08-25 Thread Filip Hanik - Dev Lists

Mark's assessment is correct, how did you end up storing your request 
object in the session?


Mark Hagger wrote:

My best guess is that you've somehow stored the request object itself on
the session, and thus the replication is trying to replicate that to the
other nodes.  


If this is the case then this is almost certainly a bad idea.

Mark


On Thu, 2006-08-24 at 09:04 -0500, Bischoff, Mathew wrote:
  

Hi,
  I'm starting to get clustering running on Tomcat I think I've solved
most of my webapp's non-serialized object issues, but now I'm getting
the error below. From what I can see , the error is not originating from
my code in the webapp, and searching the web for this error message
hasn't turned up anything useful.  Any help would be appreciated ...

Tomcat 5.5.12 on Solaris

2006-08-23 15:22:48,096 DEBUG  DeltaManager -
Manager [/edjls]: Received SessionMessage of type=(SESSION-DELTA) from
[org.apache.catalina.cluster.mcast.McastMember[...]]
2006-08-23 15:22:48,097 DEBUG  DeltaManager -
Manager [/edjls]: received session [4F2C1D4583B74B19E35243B76B2A35AF.a1]
delta.
2006-08-23 15:22:57,837 ERROR  DeltaManager - Unable
to serialize delta request for sessionid
[4F2C1D4583B74B19E35243B76B2A35AF.a1]
java.io.NotSerializableException:
org.apache.catalina.connector.RequestFacade
at
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:13
69)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1341)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1
284)
at
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:13
69)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1341)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1
284)
at
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
at
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
at
org.apache.catalina.cluster.session.DeltaRequest$AttributeInfo.writeExte
rnal(DeltaRequest.java:346)
at
org.apache.catalina.cluster.session.DeltaRequest.writeExternal(DeltaRequ
est.java:263)
at
org.apache.catalina.cluster.session.DeltaManager.unloadDeltaRequest(Delt
aManager.java:695)
at
org.apache.catalina.cluster.session.DeltaManager.requestCompleted(DeltaM
anager.java:1249)
at
org.apache.catalina.cluster.tcp.ReplicationValve.sendSessionReplicationM
essage(ReplicationValve.java:328)
at
org.apache.catalina.cluster.tcp.ReplicationValve.invoke(ReplicationValve
.java:271)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
:105)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
java:107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:1
48)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:86
8)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.proc
essConnection(Http11BaseProtocol.java:663)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint
.java:527)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollow
erWorkerThread.java:80)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool
.java:684)
at java.lang.Thread.run(Thread.java:595)

Matt Bischoff
Software Developer - FDS External Systems
Merrill Corporation

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Re: DataSource variables in replicated objects in a Tomcat cluster

2006-08-28 Thread Filip Hanik - Dev Lists


approach the problem from a different angle:
why do you need to store the data source in a replicated object? there 
are so many other places you can store them :)


Filip


Dag Bjerkeli wrote:
I have defined my datasource parameters in context.xml.  I've 
initialized the datasource objects

in the constructor where I need them.  I'm using Tomcat 5.5.17.

As I have experienced the constructor does not get activated when a 
object is replicated, so
my idea is to implement readObject() for initializing of the 
datasource in the replicated
object.  But I don't get access to what is defined in context.xml, 
only to what is defined
in server.xml.  It looks like this is not what I should expect.  So I 
wonder if there is a

different approach to initialize datasource in a replicated object.

One solution would be to put the contents of context.xml into 
server.xml, but I

don't quite like the sound of that.

I hope some can enlighten me on this.

Regards

Dag Bjerkeli

Here is some output to illustrate the problem:
Output in tomcat1 when a object is constructed:
DB:: DataLogDAO constructor
DB:: Got context java:
DB:: got name comp


Output in tomcat2 when object is replicated:
DB:: DataLogDAO readObject
DB:: Got context java:
DB:: got name UserDatabase
DB:: got name jdbc
DB:: got name simpleValue
DB:: Err with context Name comp is not bound in this Context
javax.naming.NameNotFoundException: Name comp is not bound in this 
Context



The relevant code in class DataLogDAO:
   private transient DataSource dsR = null;
   private transient DataSource dsW = null;

   public DataLogDAO()  throws Exception {
   System.out.println("DB:: DataLogDAO constructor ");
   this.generateConnections();
   }
 private void readObject(java.io.ObjectInputStream in) throws 
IOException, ClassNotFoundException {

   System.out.println("DB:: DataLogDAO readObject");
   in.defaultReadObject();
   try {
   this.generateConnections();
   } catch(Exception e) {
   System.out.println("DB:: Err with context " + e.getMessage());
   e.printStackTrace();
   }
   }

   private void generateConnections() throws Exception {
   if( dsR == null) {
   Context ctx = new InitialContext();
   if(ctx == null )
   throw new Exception("Boom - No Context");

   String ctxname = ctx.getNameInNamespace();
   System.out.println("DB:: Got context " + ctxname);
   NamingEnumeration en = ctx.listBindings(ctxname);
   while ( en.hasMore()) {
   Binding b = (Binding) en.next();
   System.out.println("DB:: got name " + b.getName());
   }
   dsR = (DataSource) ctx.lookup(IConstants.DATASOURCE_READER);
   dsW = (DataSource) ctx.lookup(IConstants.DATASOURCE_WRITER);
   }
   }




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Re: What is mcastBindAddr for??

2006-08-29 Thread Filip Hanik - Dev Lists

on a multihomed machine, you might only want to bind your multicast 
socket to one interface, hence you use the bind address


Filip

Patrick Wang wrote:

Hi,

 


I am currently setting up 2 linux server and enabled the clustering and
multicast for these 2 servers.

 


I verified using the cat /proc/net/igmp command and found out once I started the
tomcat, machine will subscribe to the 228.0.0.4 group, multicast address.

 


I also used the ethereal to see the network traffic, both machine 1 and machine
2 send out UDP packet to address 228.0.0.4. Since from machine1, it can see both
the traffic

>From machine1 and machine2 to 228.0.0.4, I assume it can receive the message on
group 228.0.0.4.

 


However I did not find any tcp replication traffic come between machine1 and
machine2, the traffic between machine 1 and 2 seems all MySQL database request.

 


Can anyone shed some light on? I did not figure out what's the mcastBIndAddr
inside the server.xml. Documentation indicate it is for binding the multicast
socket to an address?

 


I donot understand what this is for.

 


Thanks

Pat


  



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Re: Tool for monitoring Tomcat from the client side

2006-08-30 Thread Filip Hanik - Dev Lists

Leon Rosenberg wrote:

I thought Filip coded something similar, a pooling NIO connector in java.
Leon

thats correct, it will be included in 6.0, in terms of performance it 
ranks like this

HTTP Nr Of Connections < maxThreads
1. Blocking IO Connector
2. Java NIO connector and APR connector are fairly similar

HTTP Nr Of Connections > maxThreads
1. Java NIO connector and APR connector are fairly similar
2. Blocking IO Connector

HTTPS
1. The APR connector due to built in with native OpenSSL
2. NIO connector
3. Blocking IO connector

Filip

On 8/30/06, Caldarale, Charles R <[EMAIL PROTECTED]> wrote:

> From: Leon Rosenberg [mailto:[EMAIL PROTECTED]
> Subject: Re: Tool for monitoring Tomcat from the client side
>
> This slightly besser performance, is it achieved by C or by
> using epoll?

Good question, and I don't know the answer.  It would be interesting to
see if there's any performance difference by recoding the pure Java
request handler in Tomcat to use NIO and its polling capability.  Any
volunteers?

 - Chuck

THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY
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Re: Tool for monitoring Tomcat from the client side

2006-08-30 Thread Filip Hanik - Dev Lists

Leon Rosenberg wrote:

Very interesting.
So if you have a typical large-app production environment with a
hardware ssl (for example by the load balancer) you don't need the
APR?
you'd need APR or NIO to be able to sustain a large number of keep 
alives. If you don't use keep alives, then it wont matter
Tomcat Native -> APR lib -> C is no difference than NIO -> VM -> C, 
hence the performance shouldn't be very different.

Filip
Hence another evidence that java's performance are equal or better 
than c?

leon

On 8/30/06, Filip Hanik - Dev Lists <[EMAIL PROTECTED]> wrote:

Leon Rosenberg wrote:
> I thought Filip coded something similar, a pooling NIO connector in 
java.

> Leon

thats correct, it will be included in 6.0, in terms of performance it
ranks like this

HTTP Nr Of Connections < maxThreads
1. Blocking IO Connector
2. Java NIO connector and APR connector are fairly similar

HTTP Nr Of Connections > maxThreads
1. Java NIO connector and APR connector are fairly similar
2. Blocking IO Connector

HTTPS
1. The APR connector due to built in with native OpenSSL
2. NIO connector
3. Blocking IO connector

Filip

>
> On 8/30/06, Caldarale, Charles R <[EMAIL PROTECTED]> wrote:
>> > From: Leon Rosenberg [mailto:[EMAIL PROTECTED]
>> > Subject: Re: Tool for monitoring Tomcat from the client side
>> >
>> > This slightly besser performance, is it achieved by C or by
>> > using epoll?
>>
>> Good question, and I don't know the answer.  It would be 
interesting to

>> see if there's any performance difference by recoding the pure Java
>> request handler in Tomcat to use NIO and its polling capability.  Any
>> volunteers?
>>
>>  - Chuck
>>
>>
>> THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE 
PROPRIETARY

>> MATERIAL and is thus for use only by the intended recipient. If you
>> received this in error, please contact the sender and delete the 
e-mail

>> and its attachments from all computers.
>>
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>>
>>
>
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Re: tomcat not finding servlet....

2006-08-31 Thread Filip Hanik - Dev Lists




WARNING: A docBase C:\Program Files\Apache Software Foundation\Tomcat
5.5\webapps\second inside the host appBase has been specified, and will be
ignored



try correcting the above error first, then continue your troubleshooting

[EMAIL PROTECTED] wrote:

The only entries that look abnormal in the logs are as follows:

>From catalina.xxx

NFO: The Apache Tomcat Native library which allows optimal performance in
production environments was not found on the java.library.path: C:\Program
Files\Apache Software Foundation\Tomcat
5.5\bin;.;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem


WARNING: A docBase C:\Program Files\Apache Software Foundation\Tomcat
5.5\webapps\second inside the host appBase has been specified, and will be
ignored


Aug 31, 2006 5:27:41 PM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/16  config=null



Other than that I do not see any SAX related errors...



  

are you getting any kind of SAX error when you start up tomcat?

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 31, 2006 4:19 PM
To: users@tomcat.apache.org
Subject: tomcat not finding servlet


Hello everyone

I am running windows xp, tomcat 5.5.17, java jdk1.5.0_08.

I have created an webapp called "second"

have created the file:
C:\Program Files\Apache Software Foundation\Tomcat
5.5\conf\Catalina\localhost\second

which contains:



In /webapps/second I have a index.jsp file which works fine.

In /webapps/second/WEB-INF/classes I have a "three.class" file which I
compiled in Eclipse 3.2 without error.

In /webapps/second/WEB-INF/ I have a "web.xml" file which contains...


three
three
  

  
three
/three
  

As I said when I go to localhost/second the .jsp file shows up perfectly.
When I try localhost/second/three I am getting a 404 error.  I have tried
everything and am starting to get frustrated.


Any ideas?? Thanks in advance...


Jim




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Re: Problem moving from HTTP to HTTPS

2006-08-31 Thread Filip Hanik - Dev Lists


*  

the "*" means all the roles that you have defined in web.xml, since you 
haven't defined any roles in web.xml, there is nothing to authenticate, 
hence its gonna deny the request


Filip


Glen Mazza wrote:

Hello,

I have developed a simple web application running on Tomcat that asks 
for a database username and password and then returns a report in PDF. 
I'm *not* using any of Tomcat's security features for this--no roles 
for example.


In testing it has been running fine on HTTP, but I would like it to be 
using HTTPS/SSL for production use, and ideally, be redirecting any 
user HTTP requests to HTTPS.  So I created a new keystore and 
activated the HTTPS/SSL connector in the server.xml file.  I also 
added the following security constraint to the web.xml of my web 
application in order to force a redirect from HTTP to HTTPS should the 
user enter the former:




thewholeapp
/*
GET
POST


*  



CONFIDENTIAL



The redirection to the HTTPS page is working, but the HTTPS page 
itself is failing--I keep getting 403 error messages:  "Access to the 
requested resource has been denied".  Note I am *not* doing any form 
of container authentication--that may be the problem, as I'm relying 
on the DB connection string within my web application to authenticate 
into the database.  I get the same message if I go to the https:// URL 
directly and not via redirection.


How can I get Tomcat to let every user access the HTTPS URL login page 
(letting the database continue to handle the subsequent authentication 
into the DB), preferably while still allowing for the automatic 
redirection from HTTP to HTTPS as listed in the above 
?


Thanks,
Glen

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Re: tomcat not finding servlet....

2006-08-31 Thread Filip Hanik - Dev Lists

hmm, have you tried putting the servlet in a package, to see if that 
makes a difference? it shouldn't, but you can easily rule it out.


after that, it would have to come down to some debugging.

Filip


[EMAIL PROTECTED] wrote:

OK i fixed the warning.  The second.xml file located in the >>> C:\Program
Files\Apache Software Foundation\Tomcat 5.5\conf\Catalina\localhost\second

needed to be changed to just say:



Restarted Tomcat (no error message) but I am still getting a 404 on my
servlets.

I also wanted to mention that my example servlets that came with tomcat
work fine in their example context.

THanks


Jim


  

WARNING: A docBase C:\Program Files\Apache Software Foundation\Tomcat
5.5\webapps\second inside the host appBase has been specified, and will
be
ignored
  

try correcting the above error first, then continue your troubleshooting

[EMAIL PROTECTED] wrote:


The only entries that look abnormal in the logs are as follows:

>From catalina.xxx

NFO: The Apache Tomcat Native library which allows optimal performance
in
production environments was not found on the java.library.path:
C:\Program
Files\Apache Software Foundation\Tomcat
5.5\bin;.;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem


WARNING: A docBase C:\Program Files\Apache Software Foundation\Tomcat
5.5\webapps\second inside the host appBase has been specified, and will
be
ignored


Aug 31, 2006 5:27:41 PM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/16  config=null



Other than that I do not see any SAX related errors...




  

are you getting any kind of SAX error when you start up tomcat?

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 31, 2006 4:19 PM
To: users@tomcat.apache.org
Subject: tomcat not finding servlet


Hello everyone

I am running windows xp, tomcat 5.5.17, java jdk1.5.0_08.

I have created an webapp called "second"

have created the file:
C:\Program Files\Apache Software Foundation\Tomcat
5.5\conf\Catalina\localhost\second

which contains:



In /webapps/second I have a index.jsp file which works fine.

In /webapps/second/WEB-INF/classes I have a "three.class" file which I
compiled in Eclipse 3.2 without error.

In /webapps/second/WEB-INF/ I have a "web.xml" file which contains...


three
three
  

  
three
/three
  

As I said when I go to localhost/second the .jsp file shows up
perfectly.
When I try localhost/second/three I am getting a 404 error.  I have
tried
everything and am starting to get frustrated.


Any ideas?? Thanks in advance...


Jim




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Re: Tomcat Startup Error


Class not found problem

java.lang.ClassNotFoundException: org.apache.catalina.Container

you're probably missing some environment variable that is used to setup class 
loaders, such as CATALINA_BASE or CATALINA_HOME etc

Filip




Zach Calvert wrote:

I have a problem with Tomcat and I cannot figure out what is going on.
I am using Tomcat 4.1.31.  When running bootstrap.jar's main, I get 


Starting service Tomcat-Standalone
Apache Tomcat/4.1.31
Catalina.start: LifecycleException:  Context startup failed due to
previous errors
LifecycleException:  Context startup failed due to previous errors
   at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3578
)
   at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1141)
...
 
In reviewing the logs, I have 
 
2006-09-01 09:33:58 WebappLoader[]: Deploying class repositories to work

directory U:\...\work\Standalone\localhost\_
2006-09-01 09:33:58 ContextConfig[] Parse error in default web.xml
java.lang.ClassNotFoundException: org.apache.catalina.Container
   at
org.apache.commons.digester.Digester.createSAXException(Digester.java:25
40)
...
   at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:156)
 
2006-09-01 09:33:58 ContextConfig[]: Occurred at line 58 column 15

2006-09-01 09:33:58 ContextConfig[]: Missing application web.xml, using
defaults only
2006-09-01 09:33:58 ContextConfig[]: Marking this application
unavailable due to previous error(s)
2006-09-01 09:33:58 StandardManager[]: Seeding random number generator
class java.security.SecureRandom
2006-09-01 09:33:58 StandardManager[]: Seeding of random number
generator has been completed
2006-09-01 09:33:58 StandardContext[]: Context startup failed due to
previous errors
 
I reviewed the web.xml and it passed a validator.  Does anyone have any

suggestions?  This web used to run just fine, so I'm wondering if maybe
a dtd is out of place or if I'm missing something simple.  
 
The error in the web.xml is:


http://java.sun.com/dtd/web-app_2_3.dtd";>

 
  
  
  
  
  
  
  
  
  
 


  
 


  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 


default

  org.apache.catalina.servlets.DefaultServlet


debug
0


listings
true

1
   < ERROR POINTS TO THE END OF THIS TAG

  



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Re: Tomcat as a Service


I would suggest you use
http://people.apache.org/~fhanik/wrapper.html

with that kit, comes a script called TomcatService.bat, this is the same 
as you would have started it as a service and you can troubleshoot.
This also lets you control a few more options and settings, as well as 
generate thread dumps


Filip

Anca Barbuc wrote:
 

Hi, 

I am having a problem with starting Tomcat as a service. 

Here are some of the details of the environment: 
   Tomcat 5 
OS: MS Windows Server 2003 SP 1 
Ram: 960 
JDK: jdk1.5.0_07 

If i start it manually with the starttom.bat it works. 
If I go and try service install and then go to Administrative Tools and 
services and try to start the servic it  will not work. 

I get the following error: 
Could not start Apache Tomcat Service on local computer 

  
  Error 1053: The service did not respond to start or control request 
  in a timely manner. 
  


Any help would be great. 
Thanks 
ab


 



  



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Re: Clustering with mod_jk

since you are using prefork, you must set cachesize=1 for your 
workers.properties file.
However, you have 4096 MaxClients, in order to serve this up in tomcat, 
your JK connector should have maxProcessors="4096".
An alternative, and safe solution, although much less performance, is to 
set "MaxRequestsPerChild 1", this way you can get away with MaxClients 
4096 and still have a much less maxProcessor value on Tomcat


Filip


Edoardo Causarano wrote:

Hello List,

scenario:

- 4 node tc 5.0.28 vertical cluster ( :-| same server... still 
testing, but it could have been 8) listening on ajp

protocol="AJP/1.3" 
protocolHandlerClassName="org.apache.jk.server.JkCoyoteHandler"

redirectPort="8443">

- 1 httpd 2.0.52 with mod_ajp 1.2.15 and prefork config on RH AS4, 
kernel 2.6.9-5.EL
sticky sessions are disabled to avoid stress scripts hitting only 
one node



StartServers   40
MinSpareServers80
MaxSpareServers280
ServerLimit4096
MaxClients 4096
MaxRequestsPerChild  4096


- 1 application where a couple of thousand users should hammer the app 
deployed on the webapp


What happens is the app takes the stresser for a ride until 240 circa 
users then starts to die; jkmonitor sees linear increase on busy and 
max requests on only one node and pages hang; disabling the node moves 
the hung request handling to the next node.


Where's the bottleneck? Any known bug in mod_jk? Should I increase 
threads on the tomcat nodes?


Tnx,
e





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Re: Clustering with mod_jk