On 08/04/2025 00:27, Tim N wrote:
Thanks for clarifying that. Does BackupManager support auto-scaling
Yes, if you use a cluster membership mechanism that allows that.
and
cycled restarts of all nodes (for web-app upgrades) without losing the
user's session?
Yes, but you need to trigger the
Thanks for clarifying that. Does BackupManager support auto-scaling and
cycled restarts of all nodes (for web-app upgrades) without losing the
user's session? If the backup node is restarted...the backup is lost isn't
it?
On Fri, Apr 4, 2025 at 8:23 PM Mark Thomas wrote:
> On 04/04/2025 02:42, C
On 04/04/2025 02:42, Chuck Caldarale wrote:
On 2025 Apr 3, at 19:57, Tim N wrote:
For a long time up to the latest version 11 documentation, there has been a
recommended maximum limit of 4 nodes per cluster.
https://tomcat.apache.org/tomcat-11.0-doc/cluster-howto.html
"This works great for s
> On 2025 Apr 3, at 19:57, Tim N wrote:
>
> For a long time up to the latest version 11 documentation, there has been a
> recommended maximum limit of 4 nodes per cluster.
>
> https://tomcat.apache.org/tomcat-11.0-doc/cluster-howto.html
> "This works great for smaller clusters, but we don't re
Hi Tim,
If you have an HTTP load balancer that supports "sticky sessions", you can have
a cluster of as many Tomcat instances as you like as backend, without having to
rely on any clustering feature of Tomcat.
Yours,
Reg
> Gesendet: Freitag, den 04.04.2025 um 02:57 Uhr
> Vo
For a long time up to the latest version 11 documentation, there has been a
recommended maximum limit of 4 nodes per cluster.
https://tomcat.apache.org/tomcat-11.0-doc/cluster-howto.html
"This works great for smaller clusters, but we don't recommend it for
larger clusters — more than 4 nodes or so
Hello,
Can someone try to explain what this Catalina.log snippet is saying in regards
to clustering status?
It looks like to me, this machine successfully sent a session data state msg to
the other machine in the cluster, but 60 sec later the other machine did not
respond with with its
Hello,
I am running Tomcat 10.1.20 with Java 17
But our session data is being lost.
Here is snippet of the clustering I have defined
Mark and Dan,
On 6/21/23 04:57, Mark Thomas wrote:
On 20/06/2023 17:12, Dan McLaughlin wrote:
Mark,
What are your thoughts on changing the Tomcat codebase to return a 503
instead of a 404 if a context is marked as distributable or if
clustering is enabled and deployed but stopped? When I did
On 20/06/2023 17:12, Dan McLaughlin wrote:
Mark,
What are your thoughts on changing the Tomcat codebase to return a 503
instead of a 404 if a context is marked as distributable or if
clustering is enabled and deployed but stopped? When I did searches
years ago on this issue, most people at the
Dan,
On 6/20/23 11:32, Dan McLaughlin wrote:
When I attach with a debugger, I can see what's causing it not to
work. When the Web Application is started, then
request.getContext(); returns the correct Web Application context, but
when the application is stopped, request.getContext(); returns t
gt; only options.
>
> Mark,
>
> I've been considering opening an official enhancement request to the
> clustering implementation in Tomcat that would state the following...
>
> Currently, when an application within a clustered environment is
> unavailable or stopped, Tomca
een considering opening an official enhancement request to the
clustering implementation in Tomcat that would state the following...
Currently, when an application within a clustered environment is
unavailable or stopped, Tomcat returns an HTTP 404 (Not Found) status
code. While this behavior is gener
Mark,
What are your thoughts on changing the Tomcat codebase to return a 503
instead of a 404 if a context is marked as distributable or if
clustering is enabled and deployed but stopped? When I did searches
years ago on this issue, most people at the time would recommend
adding 404 to the
rt here first.
> >>
> >> That depends. It is generally better to start on the users list.
> >>
> >>> Does anyone understand the reasoning behind why Tomcat, when clustered,
> >>> throws an HTTP status 404 and not a 503 when you have an application
&
pplication is paused then any requests to that application should be
>> held until the application is unpaused (or the client timeouts out).
>>
>> The current Tomcat Mapper dates back to at least Tomcat 4. It might be
>> earlier but I don't know the Tomcat 3 code well e
he client timeouts out).
The current Tomcat Mapper dates back to at least Tomcat 4. It might be
earlier but I don't know the Tomcat 3 code well enough to find the
Tomcat 3 mapping code in the web interface and I'm not curious enough to
check the code out so I can use grep.
The clustering impl
current Tomcat Mapper dates back to at least Tomcat 4. It might be
> earlier but I don't know the Tomcat 3 code well enough to find the
> Tomcat 3 mapping code in the web interface and I'm not curious enough to
> check the code out so I can use grep.
>
> The clustering implement
se is on rare occasions, we will need to stop
just one application deployed on a Tomcat node to troubleshoot something
where clustering is making it more difficult to debug. We don't want to
take down all the apps or the entire Tomcat node because we need it to
handle the load.
We don't h
lient timeouts out).
The current Tomcat Mapper dates back to at least Tomcat 4. It might be
earlier but I don't know the Tomcat 3 code well enough to find the
Tomcat 3 mapping code in the web interface and I'm not curious enough to
check the code out so I can use grep.
The clustering
I understand that my only option is to
failover for 404s considering the current implementation. I've looked to
see if there was a configuration setting related to clustering that would
allow me to change the behavior, and I couldn't find one; the only solution
seems to be to write a custom
ions]]]
> >>> does not implement ClusterManager, addition to cluster has been
> aborted.
> >>
> >> You have an Context (web application deployed at /esolutions) with an
> >> explicit Manager configured. If you do that, it needs to implement
> >> ClusterManage
(web application deployed at /esolutions) with an
explicit Manager configured. If you do that, it needs to implement
ClusterManager else the Context can't be clustered.
Contexts that don't have an explicit manager configured get a cluster
defined default if clustering is enabl
n Context (web application deployed at /esolutions) with an
> explicit Manager configured. If you do that, it needs to implement
> ClusterManager else the Context can't be clustered.
>
> Contexts that don't have an explicit manager configured get a cluster
> defined default if
needs to implement
ClusterManager else the Context can't be clustered.
Contexts that don't have an explicit manager configured get a cluster
defined default if clustering is enabled and the StandardManager if
clustering is not enabled.
And
12-Apr-2023 19:17:52.652 SE
within the engine but outside the host
On Fri, Apr 14, 2023, 10:23 Mark Thomas wrote:
> On 13/04/2023 23:28, Kevin Huntly wrote:
> > Hi Chris,
> >
> > The configuration in the link I shared is what I used - copy/paste - I
> want
> > to see it working before I break it =)
>
> And where in server.
On 13/04/2023 23:28, Kevin Huntly wrote:
Hi Chris,
The configuration in the link I shared is what I used - copy/paste - I want
to see it working before I break it =)
And where in server.xml did you add that configuration?
Mark
Kevin Huntly
E
Hi Chris,
The configuration in the link I shared is what I used - copy/paste - I want
to see it working before I break it =)
Kevin Huntly
Email: kmhun...@gmail.com
Cell: 716/424-3311
-BEGIN GEEK
Kevin,
On 4/12/23 19:20, Kevin Huntly wrote:
I setup a quick and dirty cluster following
https://tomcat.apache.org/tomcat-9.0-doc/cluster-howto.html
I am seeing the following:
12-Apr-2023 19:18:00.369 WARNING [main]
org.apache.catalina.ha.tcp.SimpleTcpCluster.registerManager Manager
[Persisten
Hello Everyone,
I setup a quick and dirty cluster following
https://tomcat.apache.org/tomcat-9.0-doc/cluster-howto.html
I am seeing the following:
12-Apr-2023 19:18:00.369 WARNING [main]
org.apache.catalina.ha.tcp.SimpleTcpCluster.registerManager Manager
[PersistentManager[StandardEngine[Catalin
at, so it's not a surprise) but it doesn't mean that its support
>> cannot expand to include other deployments.
>>
>> If the DNSMembershipService is more appropriate for k8s-on-Azure, that's
>> fine, but if there is a community need (and especially if you are
>
r k8s-on-Azure, that's
> fine, but if there is a community need (and especially if you are
> willing to do the research and contribute code) we'd be happy to
> accomodate you.
>
> -chris
>
> On 8/14/22 03:52, Chew Kok Hoor wrote:
> > Hi,
> >
> >
Chew Kok Hoor wrote:
Hi,
I am trying to setup Tomcat clustering running in AKS, however the
standard settings don't seem to work.
As per the documentation I have setup following Cluster configuration in
server.xml inside my tag:
to have a
>> look at this instead:
>> https://tomcat.apache.org/tomcat-9.0-doc/api/org/apache/catalina/tribes/membership/cloud/DNSMembershipProvider.html
>> For this Membership Provider you only need to add headless Service
>> manifest, I.e. ClusterIP: none.
>>
gt; For this Membership Provider you only need to add headless Service
> manifest, I.e. ClusterIP: none.
>
> Mfg
> Thomas
>
> Am 14. August 2022 09:52:52 MESZ schrieb Chew Kok Hoor >:
>>
>> Hi,
>>
>> I am trying to setup Tomcat clustering running in AKS,
only need to add headless Service manifest,
I.e. ClusterIP: none.
Mfg
Thomas
Am 14. August 2022 09:52:52 MESZ schrieb Chew Kok Hoor :
>Hi,
>
>I am trying to setup Tomcat clustering running in AKS, however the
>standard settings don't seem to work.
>
>As per the doc
Hi,
I am trying to setup Tomcat clustering running in AKS, however the
standard settings don't seem to work.
As per the documentation I have setup following Cluster configuration in
server.xml inside my tag:
But I received a &#
Hi,
I always used Tomcat's parallel deployment to achieve zero downtime on my
JSF applications. I'm planning on dockerizing them, but I'd like to keep
zero downtime.
I'm familiar with AWS ECS. With the default configuration, when the service
is updated a new instance will be launched in parallel,
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Praveen,
On 5/20/20 12:27, Praveen Kumar K S wrote:
> Hello,
>
> I'm not sure if this is the right forum to ask this question. Since
> this is a bigger community, I hope someone might have faced this
> issue and hope I will get some help.
>
> I'm se
Hello,
I'm not sure if this is the right forum to ask this question. Since this is
a bigger community, I hope someone might have faced this issue and hope I
will get some help.
I'm seeing many posts achieving Tomcat session replication in docker swarm
using traefik. But I just don't want to add a
hello Mark
thanks for the tip.
Now it works, surprisingly.
I configured IP address instead of hostname (using static member)...
and now it is OK.
Thanks
Le jeu. 16 janv. 2020 à 12:00, Mark Thomas a écrit :
>
> On 16/01/2020 08:11, Bertrand BARRET wrote:
> > Hello,
> >
> > I am setting up a tomc
On 16/01/2020 08:11, Bertrand BARRET wrote:
> Hello,
>
> I am setting up a tomcat cluster (only two nodes on separate servers)
> for load-balancing and sessions replication purpose.
>
> The session replication is working fine from node1 to node2 (i can see
> the primary session on node1 and the b
Hello,
I am setting up a tomcat cluster (only two nodes on separate servers)
for load-balancing and sessions replication purpose.
The session replication is working fine from node1 to node2 (i can see
the primary session on node1 and the backup session on node2).
But when the load balancer choos
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Vinu,
On 9/19/19 06:26, Vinu Vibhu Sobhana wrote:
> Hai,
>
> Iam having two Web Servers configured to run Tomcat8.5. My project
> manager had assigned me to configure these Tomcat Web Servers in
> cluster mode so that the sessions will be managed by
Hai,
Iam having two Web Servers configured to run Tomcat8.5. My project
manager had assigned me to configure these Tomcat Web Servers in
cluster mode so that the sessions will be managed by the Tomcat
Cluster. The same had been done using tomcat references/documentation.
I have also configured a H
On 11/10/18 10:12, Mark Thomas wrote:
> If folks think this looks reasonable, I can create a BZ enhancement
> request to implement it.
https://bz.apache.org/bugzilla/show_bug.cgi?id=62841
-
To unsubscribe, e-mail: users-unsubs
On 10/10/18 23:04, Caldarale, Charles R wrote:
>> From: Mark Thomas [mailto:ma...@apache.org]
>> Subject: Re: Tomcat Clustering Support
>
>> Thread A is in the middle of processing a request. It is evaluating some
>> EL which requires access to the view map which in tu
> From: Mark Thomas [mailto:ma...@apache.org]
> Subject: Re: Tomcat Clustering Support
> Thread A is in the middle of processing a request. It is evaluating some
> EL which requires access to the view map which in turn causes the
> ViewMap to upd
k to
>> assist with troubleshooting and resolving a Tomcat clustering issue in our
>> system.
>>
>> The system is composed of multiple Java PrimeFaces applications running in
>> a clustered Tomcat environment which is experiencing occasional
>> deadlocking is
On September 20, 2018 2:26:36 PM UTC, Scott Evans
wrote:
>-Original Message-
>From: Scott Evans
>Sent: Monday, September 17, 2018 10:57 AM
>To: 'Tomcat Users List' ;
>'users@tomcat.apache.org'
>
>Subject: RE: [OT] Tomcat Clustering Supp
-Original Message-
From: Scott Evans
Sent: Monday, September 17, 2018 10:57 AM
To: 'Tomcat Users List' ; 'users@tomcat.apache.org'
Subject: RE: [OT] Tomcat Clustering Support
-Original Message-
From: Christopher Schultz
Sent: Tuesday, August 28, 20
-Original Message-
From: Christopher Schultz
Sent: Tuesday, August 28, 2018 3:35 PM
To: users@tomcat.apache.org
Subject: Re: [OT] Tomcat Clustering Support
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Scott,
I'm no Tomcat-clustering expert, but...
On 8/28/18 13:59, Scott
Never mind. It's visible again.
On Tue, Aug 28, 2018, 2:35 PM Christopher Schultz <
ch...@christopherschultz.net> wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Scott,
>
> I'm no Tomcat-clustering expert, but...
>
> On 8/28/18 13:59, Scot
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Scott,
I'm no Tomcat-clustering expert, but...
On 8/28/18 13:59, Scott Evans wrote:
> channelSendOptions="10" channelStartOptions="3">
>
> expireSessionsOnShutdown="false"
> noti
: users@tomcat.apache.org
Subject: Re: [OT] Tomcat Clustering Support
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Scott,
This list is typically for non-paid support requests, but there really isn't
a great forum for finding Tomcat consultants... other than Google I suppose.
So I'm ma
cott Evans wrote:
> Our system is on Apache Tomcat Version 8.0.47. OS is Windows Server
> 2012 R2 Datacenter.
>
> We are looking for someone that may be interested in paid contract
> work to assist with troubleshooting and resolving a Tomcat
> clustering issue in our system.
&g
On 15/08/18 20:43, Scott Evans wrote:
> Hi,
>
> Our system is on Apache Tomcat Version 8.0.47.
> OS is Windows Server 2012 R2 Datacenter.
>
> We are looking for someone that may be interested in paid contract work to
> assist with troubleshooting and resolving a Tomcat cl
Hi,
Our system is on Apache Tomcat Version 8.0.47.
OS is Windows Server 2012 R2 Datacenter.
We are looking for someone that may be interested in paid contract work to
assist with troubleshooting and resolving a Tomcat clustering issue in our
system.
The system is composed of multiple Java
On 11/05/18 12:28, Mark Thomas wrote:
> I do see some slightly odd behaviour in that the attributes are not
> replicated for the first session created after starting up the cluster.
> I'm currently looking in to what might be going wrong there.
The session created event was being processed in t
gt; It seems as if all active sessions of the Tomcat are expired during the
> shutdown process - in the whole cluster. This contradicts in my opinion
> the parameter expireSessionsOnShutdown="false" and its explanation. I
> can also set the parameter to true, no change.
I don&
03 16:17 GMT+02:00 Martin Knoblauch :
>
> > Hi,
> >
> > one question on Tomcat HA clustering. Is there a way (e.g. a log file
> > pattern to look for) to find out that a sessions activity has actually
> been
> > transfered to another cluster node? We are operati
2018-05-03 16:17 GMT+02:00 Martin Knoblauch :
> Hi,
>
> one question on Tomcat HA clustering. Is there a way (e.g. a log file
> pattern to look for) to find out that a sessions activity has actually been
> transfered to another cluster node? We are operating a productive
>
Hi,
one question on Tomcat HA clustering. Is there a way (e.g. a log file
pattern to look for) to find out that a sessions activity has actually been
transfered to another cluster node? We are operating a productive
environment with 6 clustered TC processes and we would like to know how
oftenthe
Hi,
I've probably read everything in the last few days and tried even more,
but it won't work. I need your experience.
First, my expectations of the Tomcat Cluster
1. session failover when a Tomcat dies (simulated via kill -9)
2. session failover when I close a Tomcat (via shutdown.sh or
si
Is Tomcat clustering supported with Source Specific Multicast (IGMPv3). I
can't find any documentation about this (and my attempts have failed), if
this is not supported, is my best bet to use StaticMembershipInterceptor so
that I can cluster accross VLANs?
lfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2009794
>
>
> Are there other security considerations that I'm not thinking of?
Not really. By far the most important consideration is the underlying
assumption that Tom
I'm trying to think through the security implications of this
configuration: a single cloud server (Digital Ocean) with 2 Tomcat 8.5
instances in a cluster, for session replication.
I can bind the Receiver element to 127.0.0.1, which I think should
protect the actual session data from prying e
Le 20 oct. 2016 3:21 PM, "André Warnier (tomcat)" a écrit :
>
> Maybe naive, and I have never tried any of this myself, but is there a
reason why you cannot use method 2 in
>
http://tomcat.apache.org/tomcat-8.0-doc/deployer-howto.html#A_word_on_Contexts
> in that scenario ?
>
Thanks, tested for m
2016-10-20 15:16 GMT-04:00 André Warnier (tomcat) :
Maybe naive, and I have never tried any of this myself, but is there a
> reason why you cannot use method 2 in
> http://tomcat.apache.org/tomcat-8.0-doc/deployer-howto.html#
> A_word_on_Contexts
> in that scenario ?
>
>
André,
thanks I will give
On 20.10.2016 20:50, Daniel Savard wrote:
Hi everyone,
I am testing the FarmDeployer in a Tomcat cluster environment and it seems
it cannot do what I would like it to do.
So far, it works fine to deploy the web application on all cluster members.
However, the way they are deployed is the plain
Hi everyone,
I am testing the FarmDeployer in a Tomcat cluster environment and it seems
it cannot do what I would like it to do.
So far, it works fine to deploy the web application on all cluster members.
However, the way they are deployed is the plain war file drop into the
appBase directory. I
We just enabled clustering for our 3 tomcat servers, and now the sessions
aren’t expiring. The TTL is negative and the inactive time is very high. We
have this set as the default of 30 minutes.
We are using Tomcat 7.0.51.
Any ideas?
Thanks
Alan
Hi everyone,
I am reviewing a clustering implementation I have done and after reading
the documentation for Tomcat 8, which is the version I am using (8.0.35 +
Oracle JDK1.8.0_92) I ran into the distributable attribute.
I saw in my configuration the distributable="true" attribute is
On 05/11/15 22:10, Christopher Schultz wrote:
> I would argue that any production deployment ought to utilize a load
> balancer and at least two servers, even if only to allow you to take one
> of them offline for upgrades. Maybe you don't require 24x7 uptime, but
> most production deployments do,
Stephen,
On 11/5/15 10:49 AM, Stephen Booth wrote:
> On 04/11/2015 00:56, javier_esp...@hna.honda.com wrote:
>> I would like to setup a couple of servers for automatic fail-over. In case
>> one fails the other can take over. Does Tomcat support that kind of setup?
>> If so, can you direct me to
information.
Thank you.***
From: Stephen Booth
To: users@tomcat.apache.org,
Date: 11/05/2015 07:50 AM
Subject:Re: Does Tomcat support clustering for automatic fail over?
On 04/11/2015 00:56, javier_esp...@hna.honda.com wrote:
> I would like to setup a couple of servers
On 04/11/2015 00:56, javier_esp...@hna.honda.com wrote:
> I would like to setup a couple of servers for automatic fail-over. In case
> one fails the other can take over. Does Tomcat support that kind of setup?
> If so, can you direct me to where I can find some documentation about it?
As other
And I think the important thing is the load balance setup, you can check the
Apache proxy module and ajp module , all of them can be found in official
document
Mike
Sent from my iPhone
> 在 2015年11月4日，11:59，Mike Guo 写道：
>
> Hi, Javier.
>
> I guess you need a load balance for this.
>
> T
Hi, Javier.
I guess you need a load balance for this.
Tomcat can be setup as cluster. You can find it in official document. But you
have to take care of the session for you application.
Mike
From my iPhone
> 在 2015年11月4日，08:56，javier_esp...@hna.honda.com 写道：
>
>
> Good day all:
> I would
Good day all:
I would like to setup a couple of servers for automatic fail-over. In case
one fails the other can take over. Does Tomcat support that kind of setup?
If so, can you direct me to where I can find some documentation about it?
Thank you
Javier España
Sr. Technical Analyst
Honda Nort
> I don't have a solution or advice to contribute, but I hope I can
> spur along some more discussion on the issue.
>
> We struggle with the problem of pets versus cattle also.
>
> We have a farm of pets right now.
>
> Our team is still evaluating at what level in our infrastructure our
> tom
t; newer version.
>>>>
>>>> So no big deal conceptually, I fully admit, but doing this across
>>>> eight servers is TEDIOUS. And more importantly, it's a ripe
>>>> opportunity for introducing user error. On three occasions I
>>>>
, it's a ripe
> >> opportunity for introducing user error. On three occasions I
> >> have brought our production systems by stupid mistakes in
> >> server.xml or other config files, or most recently, accidentally
> >> copying the wrong ROOT from a version
t our production systems by stupid mistakes in
>> server.xml or other config files, or most recently, accidentally
>> copying the wrong ROOT from a version 2 (05) box into the version
>> one boxes (01 and 03). I got things up and running fine with no
>> serious consequences
to be a better way" right after I talked myself off the "you're
a complete idiot" ledge.
>
> I'm starting to research Tomcat clustering but everything I see just
talks about load balancing and failover. **What about ease of
configuration??** I'd like to be able
e with no serious consequences
> but this being the third time, I thought "there has to be a better
> way" right after I talked myself off the "you're a complete idiot"
ledge.
>
> I'm starting to research Tomcat clustering but everything I see just
> tal
). I got things up and running fine with no
> serious consequences but this being the third time, I thought "there has to
> be a better way" right after I talked myself off the "you're a complete
> idiot" ledge.
>
> I'm starting to research Tomcat clust
ion one boxes (01
and 03). I got things up and running fine with no serious consequences but this
being the third time, I thought "there has to be a better way" right after I
talked myself off the "you're a complete idiot" ledge.
I'm starting to research Tomcat
Hi Chris
Appreciate your help.
On 12/28/14 5:59 PM, Arun Kumar wrote:
> Thanks a ton for reaching me out and i really appreciate your help. I am
> new to Tomcat clustering, if my questions doesn't make any sense, please
> forgive me :)
>
>> On 12/26/14 12:36 PM, Arun Kuma
ation by one tomcat instance, the sessions
>>> that it created or extended would not have gotten replicated and
>>> then never made their way to the other instances until they
>>> expire on their own.
>
>If this happened, you should be able to see some indication in t
>>>>> Peter,
>>>>>>>
>>>>>>> On 1/12/15 12:51 PM, Peter Rifel wrote:
>>>>>>>>>> I'm running Tomcat 8.0.15 with Java 1.8.0_25 on
>>>>>>>>>> Ubuntu 14.04. We have 5 instances that are
t;> Rifel wrote:
>>>>> Chris,
>>>>>
>>>>> On 1/12/15, 11:08 AM, "Christopher Schultz"
>>>>> wrote:
>>>>>
>>>>> Peter,
>>>>>
>>>>> On 1/12/15 12:51
M, "Christopher Schultz"
>>>> wrote:
>>>>
>>>> Peter,
>>>>
>>>> On 1/12/15 12:51 PM, Peter Rifel wrote:
>>>>>>> I'm running Tomcat 8.0.15 with Java 1.8.0_25 on Ubuntu
>>>>>>&
e:
>>
>> Peter,
>>
>> On 1/12/15 12:51 PM, Peter Rifel wrote:
>>>>> I'm running Tomcat 8.0.15 with Java 1.8.0_25 on Ubuntu 14.04.
>>>>> We have 5 instances that are all setup with session
>>>>> clustering as follows:
>
8.0.15 with Java 1.8.0_25 on Ubuntu 14.04.
>>>> We have 5 instances that are all setup with session
>>>> clustering as follows:
>>>>
>>>> >>> className="org.apache.catalina.ha.tcp.SimpleTcpCluster&qu
Chris,
On 1/12/15, 11:08 AM, "Christopher Schultz"
wrote:
>-BEGIN PGP SIGNED MESSAGE-
>Hash: SHA256
>
>Peter,
>
>On 1/12/15 12:51 PM, Peter Rifel wrote:
>> I'm running Tomcat 8.0.15 with Java 1.8.0_25 on Ubuntu 14.04. We
>> have 5 instances
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Peter,
On 1/12/15 12:51 PM, Peter Rifel wrote:
> I'm running Tomcat 8.0.15 with Java 1.8.0_25 on Ubuntu 14.04. We
> have 5 instances that are all setup with session clustering as
> follows:
>
>
> stateTransferTi
Hello,
I'm running Tomcat 8.0.15 with Java 1.8.0_25 on Ubuntu 14.04. We have 5
instances that are all setup with session clustering as follows:
-Dmulticast=228.0.0.4
To help prevent accidental misconfigurations that have occurred in the past, I
decided to implement monitoring o
Thanks a ton for reaching me out and i really appreciate your help. I am
new to Tomcat clustering, if my questions doesn't make any sense, please
forgive me :)
On 12/26/14 12:36 PM, Arun Kumar wrote:
> I have two Tomcat 7.0 installed on two different machines and
> edited the server.
t version of Tomcat 7.0?
> I tried to turn of one Tomcat manually to check if the clustering
> is implemented or not. But the failover doesn't work.
Are you expecting that your sessions will be available to any node, or
are you using sticky sessions? The term "cluster" u
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