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Posted to users@tomcat.apache.org by Andrew Bruno <an...@gmail.com> on 2010/06/10 07:13:59 UTC
Session clustering across different contexts
Hello,
I have managed to get session clustering working when using the same context.
I need to get session replication working across different contexts.
Does anyone know if this is possible?
I get these warnings at the moment.
10/06/2010 3:08:20 PM
org.apache.catalina.ha.session.ClusterSessionListener messageReceived
WARNING: Context manager doesn't exist:localhost#/r2
Thanks
Andrew
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Re: Session clustering across different contexts
Posted by Andrew Bruno <an...@gmail.com>.
OK, that's cool. Thanks for confirming. I'll have to try via Apache
redirects/aliasing/rewrites...
/AB
On Tue, Jun 15, 2010 at 4:32 PM, Mark Thomas <ma...@apache.org> wrote:
> On 15/06/2010 06:21, Andrew Bruno wrote:
>>
>> I am testing this on my laptop, windows 7 64bit, tomcat 6
>>
>> If I use the same contexts, i.e.
>>
>> localhost:8181/r2 and localhost:8080/r2 the sessions are replicated
>> across them no problem.
>>
>> If I use a different context, e.g. r3 but same web app deployed, the
>> sessions are no replicated, and I get this warning:
>>
>> org.apache.catalina.ha.session.ClusterSessionListener messageReceived
>> WARNING: Context manager doesn't exist:localhost#/r2
>
> Correct. What you are trying to do is not supported. Tomcat has no mechanism
> to map /r2 in one instance to /r3 in another.
>
> Mark
>
>
>
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Re: Session clustering across different contexts
Posted by Jon Brisbin <jo...@npcinternational.com>.
On Jun 15, 2010, at 1:32 AM, Mark Thomas wrote:
> On 15/06/2010 06:21, Andrew Bruno wrote:
>> I am testing this on my laptop, windows 7 64bit, tomcat 6
>>
>> If I use the same contexts, i.e.
>>
>> localhost:8181/r2 and localhost:8080/r2 the sessions are replicated
>> across them no problem.
>>
>> If I use a different context, e.g. r3 but same web app deployed, the
>> sessions are no replicated, and I get this warning:
>>
>> org.apache.catalina.ha.session.ClusterSessionListener messageReceived
>> WARNING: Context manager doesn't exist:localhost#/r2
>
> Correct. What you are trying to do is not supported. Tomcat has no mechanism to map /r2 in one instance to /r3 in another.
As a shameless plug, the new session manager I wrote (which we're using internally in our Tomcat cloud) does this just fine because it doesn't care about contexts or IP addresses or anything like that. If the session manager is configured to connect to the same exchanges and RabbitMQ server as other Tomcat instances, the sessions will be shared.
I'm doing a write-up on it now for tomcatexpert.com
Code is on GitHub: http://github.com/jbrisbin/vcloud/tree/master/session-manager/
Downside is it requires another component (RabbitMQ).
Jon Brisbin
Portal Webmaster
NPC International, Inc.
>
> Mark
>
>
>
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Re: Session clustering across different contexts
Posted by Mark Thomas <ma...@apache.org>.
On 15/06/2010 06:21, Andrew Bruno wrote:
> I am testing this on my laptop, windows 7 64bit, tomcat 6
>
> If I use the same contexts, i.e.
>
> localhost:8181/r2 and localhost:8080/r2 the sessions are replicated
> across them no problem.
>
> If I use a different context, e.g. r3 but same web app deployed, the
> sessions are no replicated, and I get this warning:
>
> org.apache.catalina.ha.session.ClusterSessionListener messageReceived
> WARNING: Context manager doesn't exist:localhost#/r2
Correct. What you are trying to do is not supported. Tomcat has no
mechanism to map /r2 in one instance to /r3 in another.
Mark
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Re: Session clustering across different contexts
Posted by Andrew Bruno <an...@gmail.com>.
I am testing this on my laptop, windows 7 64bit, tomcat 6
If I use the same contexts, i.e.
localhost:8181/r2 and localhost:8080/r2 the sessions are replicated
across them no problem.
If I use a different context, e.g. r3 but same web app deployed, the
sessions are no replicated, and I get this warning:
org.apache.catalina.ha.session.ClusterSessionListener messageReceived
WARNING: Context manager doesn't exist:localhost#/r2
/AB
On Thu, Jun 10, 2010 at 7:16 PM, Pid <pi...@pidster.com> wrote:
> On 10/06/2010 06:13, Andrew Bruno wrote:
>> Hello,
>>
>> I have managed to get session clustering working when using the same context.
>
> Tomcat, JVM, OS exact versions please.
>
>> I need to get session replication working across different contexts.
>> Does anyone know if this is possible?
>
> Depends what you mean. If it works for one, it'll work for all of them,
> assuming your cluster members are correctly configured.
>
>> I get these warnings at the moment.
>>
>> 10/06/2010 3:08:20 PM
>> org.apache.catalina.ha.session.ClusterSessionListener messageReceived
>> WARNING: Context manager doesn't exist:localhost#/r2
>
> Does that server have that application installed?
>
>
> p
>
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>> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
>> For additional commands, e-mail: users-help@tomcat.apache.org
>>
>
>
>
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Re: Session clustering across different contexts
Posted by Pid <pi...@pidster.com>.
On 10/06/2010 06:13, Andrew Bruno wrote:
> Hello,
>
> I have managed to get session clustering working when using the same context.
Tomcat, JVM, OS exact versions please.
> I need to get session replication working across different contexts.
> Does anyone know if this is possible?
Depends what you mean. If it works for one, it'll work for all of them,
assuming your cluster members are correctly configured.
> I get these warnings at the moment.
>
> 10/06/2010 3:08:20 PM
> org.apache.catalina.ha.session.ClusterSessionListener messageReceived
> WARNING: Context manager doesn't exist:localhost#/r2
Does that server have that application installed?
p
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> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> For additional commands, e-mail: users-help@tomcat.apache.org
>