[jbosscache-users] Issue with JBC on Tomcat 5.5

[Manik Surtani]

On 13 Nov 2007, at 10:30, Mamta, Jain wrote:

> Hi Manik,
>
> Thanks for your reply.
> Yes, the tomcat clustering is enabled and works fine. Does tomcat  
> also use JGroups ?

Yes, although potentially not the same version as shipped with JBoss  
Cache.

>
> The tomcat's clustering is on say 228.8.8.8 and port 4554. What I  
> have done is, configured replSync-service.xml that comes with  
> JBossCache and pointed the UDP/mcastaddr  to the same addr and port  
> as in Tomcat. Is there something wrong here ? What I have udnerstood  
> from the documetns of JBossCAche is that, it leverages on JGroups  
> which is capable of discovering an existing multicast group, in that  
> case is'nt this configuration enough ? If the answer is no then what  
> is the role of replSync-service.xml ? Is there a separate xml that  
> is to be configured for automatic discovery ? Or the mping.xml found  
> in jgroups.jar has to be modified ?

Just use a different multicast address and port.  Tomcat will barf (as  
it as) if it sees JBoss Cache discovery and replication traffic.

Cheers,
Manik

--
Manik Surtani
Lead, JBoss Cache
manik at jboss.org






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