Ignore IllegalState exceptions for invalidation commands

2011-07-14 15:16:20,940 ERROR [RebalanceTask]
(Rehasher,Infinispan-Cluster,NonStringKeyStateTransferTest-NodeC-7649)
ISPN000145: Error during rehash
java.lang.IllegalStateException: Default cache is in 'STOPPING' state
and this is an invocation not belonging to an on-going transaction, so
it does not accept new invocations. Either restart it or recreate the
cache container.
       at org.infinispan.interceptors.InvocationContextInterceptor.handleAll(InvocationContextInterceptor.java:83)
       at org.infinispan.interceptors.InvocationContextInterceptor.handleDefault(InvocationContextInterceptor.java:64)
       at org.infinispan.commands.AbstractVisitor.visitInvalidateCommand(AbstractVisitor.java:120)
       at org.infinispan.commands.AbstractVisitor.visitInvalidateL1Command(AbstractVisitor.java:124)
       at org.infinispan.commands.write.InvalidateL1Command.acceptVisitor(InvalidateL1Command.java:177)
       at org.infinispan.interceptors.InterceptorChain.invoke(InterceptorChain.java:274)
       at org.infinispan.distribution.RebalanceTask.invalidateKeys(RebalanceTask.java:172)
       at org.infinispan.distribution.RebalanceTask.performRehash(RebalanceTask.java:145)
       at org.infinispan.distribution.RehashTask.call(RehashTask.java:67)
       at org.infinispan.distribution.RehashTask.call(RehashTask.java:44)
       at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
       at java.util.concurrent.FutureTask.run(FutureTask.java:138)
       at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
       at java.lang.Thread.run(Thread.java:662)