K S wrote:
Hi,
I am a newbie to both Apache and Tomcat.
I am using Apache 2.0.55, Tomcat 5.5.25, mod_jk 1.2.25 and Ubuntu (
2.6.17-10-server)
It seemed like I had the complete redirection working at one point, but
unfortunately after no apparent change (that I can recollect), things just
stopped working. I started troubleshooting by collecting detailed logs both
in Apache and Tomcat but the log information hasn't helped me much. So I was
wondering if anyone could suggest how I can go about finding what the issue
is.
My set up involved:
1. mod_jk.conf
LoadModule jk_module /YYY/lib/ApacheTomcat/mod_jk.so
JkWorkersFile /XXX/apache-tomcat-5.5.25/conf/jk/workers.properties
The space in the next line is hopefully not in the original file?
JkShmFile /XXX/apache-tomcat-5.5.25 /conf/jk/mod_jk.shm
JkLogFile /XXX/apache-tomcat-5.5.25/conf/jk/mod_jk.log
JkLogLevel trace
JkLogStampFormat "[%a %b %d %H:%M:%S %Y] "
JkRequestLogFormat "%w %V %T"
<VirtualHost my.machine.name>
ServerName my.machine.name
JkMount /servlets-examples worker1
JkMount /servlets-examples/* worker1
</VirtualHost>
2. workers.properties
The next two lines are not used. Remove them.
workers.tomcat_home=/XXX/apache-tomcat-5.5.25
workers.java_home=/XXX/Java/jdk1.6.0_03
worker.list=worker1
worker.worker1.type=ajp13
worker.worker1.host=localhost
worker.worker1.port=9009
3. apached.conf - Additions/Changes to the default file
(A) Include /XXX/apache-tomcat-5.5.25/conf/jk/mod_jk.conf
(B) LogFormat "%v %V %h %l %u %t \"%r\" %>s %b status-%s port-%p filename-%f
reqMethod %m \"%{Referer}i\" \"%{User-Agent}i\"" combined
LogFormat "%v %V %h %l %u %t \"%r\" %>s %b" common
LogFormat "%v %V %{Referer}i -> %U" referer
LogFormat "%v %V %{User-agent}i" agent
4. Tomcat server.xml - Additions/Changes to the default
(A) <Engine name="Catalina" defaultHost="bacis.vm.acis.intranet">
Throw this listener out. It's only used for automatic configuration
generation, which is partially broken, and you've got a configuration
already.
<Listener className="org.apache.jk.config.ApacheConfig"
modJk="/XXX/lib/ApacheTomcat/mod_jk.so" jkWorker="worker1" />
(B) <Host name="my.machine.name" appBase="webapps"
unpackWARs="true" autoDeploy="true"
xmlValidation="false" xmlNamespaceAware="false">
(C) <!-- Define a non-SSL HTTP/1.1 Connector on port 8080 -->
<Connector port="9080" maxHttpHeaderSize="8192"
maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" redirectPort="8443" acceptCount="100"
connectionTimeout="20000" disableUploadTimeout="true" />
<!-- Note : To disable connection timeouts, set connectionTimeout value
to 0 -->
(D) <!-- Define an AJP 1.3 Connector on port 8009 -->
<Connector port="9009"
enableLookups="false" redirectPort="8443" protocol="AJP/1.3" />
(E) <Server port="9005" shutdown="SHUTDOWN">
Here are the contents of mod_jk.log after I restart both Apache and Tomcat
and then make a request through my browser for
http://my.machine.name/servlets-examples. This URL used to (when things were
working) show me the standard Tomcat page with servlets examples such as
HelloWorld AND all the servlets worked.
...
For me it looks like something is wrong with the vhost. mod_jk by
default doesn't inherit JkMounts between Vhosts. You put your JkMounts
into a vhost (that's fine), but the log tells us, that during request
processing, no JkMounts were defined. So I guess, that the request
didn't get processed by this Vhost. I can see, that the name of the
vhost gets logged in the access log, but still something seems to be
wrong (maybe you defined another my.machine.name in some other file.
You can check, if it's a vhost problem:
- put the JkMounts in the global server config and set "JkMountCopy On"
in all VirtualHost blocks. Then it should work again.
- add a separate CustomLog (separate file name) in the global server and
in each vhost. This way you can easily detect, which vhost handled your
request. Put the JkMounts into that vhost and remove the other ones and
the JkMountCopy directives.
Regards,
Rainer
[Mon Nov 19 16:15:12 2007] [4075:3080226480] [debug] jk_child_init::mod_jk.c
(2692): Initialized mod_jk/1.2.25
[Mon Nov 19 16:15:12 2007] [4075:3080226480] [trace] jk_child_init::mod_jk.c
(2693): exit
[Mon Nov 19 16:17:01 2007] [4069:3080226480] [trace]
map_uri_to_worker::jk_uri_worker_map.c (542): enter
[Mon Nov 19 16:17:01 2007] [4069:3080226480] [debug]
map_uri_to_worker::jk_uri_worker_map.c (597): Attempting to map URI
'/servlets-examples' from 0 maps
[Mon Nov 19 16:17:01 2007] [4069:3080226480] [trace]
map_uri_to_worker::jk_uri_worker_map.c (645): exit
Apache's access.log
my.machine.name my.machine.name 10.5.X.X - - [19/Nov/2007:16:17:01 -0500]
"GET /servlets-examples HTTP/1.1" 404 337 status-404 port-80
filename-/var/www/servlets-examples reqMethod GET "-" "Mozilla/5.0 (X11; U;
Linux i686; en-US; rv: 1.8.1.2) Gecko/20060601 Firefox/2.0.0.2
(Ubuntu-edgy)"
my.machine.name my.machine.name 10.5.X.X - - [19/Nov/2007:16:17:01 -0500]
"GET /favicon.ico HTTP/1.1" 404 331 status-404 port-80
filename-/var/www/favicon.ico reqMethod GET "-" "Mozilla/5.0 (X11; U; Linux
i686; en-US; rv: 1.8.1.2) Gecko/20060601 Firefox/2.0.0.2 (Ubuntu-edgy)"
my.machine.name my.machine.name 10.5.X.X - - [19/Nov/2007:16:17:01 -0500]
"GET /favicon.ico HTTP/1.1" 404 331 status-404 port-80
filename-/var/www/favicon.ico reqMethod GET "-" "Mozilla/5.0 (X11; U; Linux
i686; en-US; rv: 1.8.1.2) Gecko/20060601 Firefox/2.0.0.2 (Ubuntu-edgy)"
Apache's error.log
[Mon Nov 19 16:17:01 2007] [error] [client 10.5.X.X <http://10.5.144.33>]
File does not exist: /var/www/servlets-examples
[Mon Nov 19 16:17:01 2007] [error] [client 10.5.X.X <http://10.5.144.33>]
File does not exist: /var/www/favicon.ico
[Mon Nov 19 16:17:01 2007] [error] [client 10.5.X.X <http://10.5.144.33>]
File does not exist: /var/www/favicon.ico
Any suggestions would be greatly appreciated!
Thanks,
SK
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