[jboss-user] [JBoss Cache Users] - Re: InstanceAlreadyExistsException During hot deployment

pavnesh do-not-reply at jboss.com
Mon Sep 28 16:41:15 EDT 2009

Thanks Mircea.Markus.

Some more information:
Websphere appends cellName, nodeName and server name (node1) to whever ClusterName I specify in the treecache.xml. During hot deployment, jboss cache jars try to find if there is any MBean with name TreeCache-Cluster. It does not find any and tries to create a new MBean with Name TreeCache-Cluster. In the process, websphere again appends the same information (cellName, nodeName ...etc) and it finds that there is bean with this name already exists and hence I get the exception. 

For the sake of experiment: I gave the name to ClusterName attribute as anonymous wrote : TreeCache-Cluster,cell=TD2471N
  | ode01Cell,node=TD2471Node01,process=server1, which Websphere was complaining. And it all started working OK. 

But this definitely not a solution because this information is machine specific.

Let me know how to fix it.


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