[jboss-user] [JBoss Cache] - java.lang.IllegalStateException: cluster 'X' is already connected to singleton transport

[Smitha Nair]

Smitha Nair [http://community.jboss.org/people/smitha.nair] created the discussion

"java.lang.IllegalStateException: cluster 'X' is already connected to singleton transport"

To view the discussion, visit: http://community.jboss.org/message/549840#549840

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Hi,


We have deployed two wars in the same jboss node, which is a cluster member.
One of the war is a customized jasig cas war .
Both the wars are having the same cluster configuration to have distributed cache.
Both the wars using the same clustername too.
But when deploying the wars together, it is giving exception,


Caused by: java.lang.reflect.InvocationTargetException
       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
       at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
       at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
       at java.lang.reflect.Method.invoke(Method.java:597)
       at org.jboss.cache.util.reflect.ReflectionUtil.invokeAccessibly(ReflectionUtil.java:144)
       ... 117 more
Caused by: org.jboss.cache.CacheException: Unable to connect to JGroups channel
       at org.jboss.cache.RPCManagerImpl.start(RPCManagerImpl.java:352)
       ... 122 more
Caused by: org.jgroups.ChannelException: failed to start protocol stack
       at org.jgroups.JChannel.startStack(JChannel.java:1617)
       at org.jgroups.JChannel.connect(JChannel.java:366)
       at org.jboss.cache.RPCManagerImpl.start(RPCManagerImpl.java:347)
       ... 122 more
Caused by: java.lang.IllegalStateException: cluster 'X'  is already connected to singleton transport: [dummy-12334552211, X]
       at org.jgroups.stack.Configurator.startProtocolStack(Configurator.java:88)
       at org.jgroups.stack.ProtocolStack.startStack(ProtocolStack.java:402)
       at org.jgroups.JChannel.startStack(JChannel.java:1614)
       ... 124 more



Can anyone please help us.

Thanks
Smitha

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