These don't cause tests to fail, but I do see a heck of a lot of the following. Dan, (a) I presume these are harmless? (b) is it absolutely necessary to be this alarming/verbose? :) Cheers Manik 2012-02-25 11:35:10,129 ERROR [CacheViewsManagerImpl] (CacheViewInstaller-1,ConcurrentOverlappingLeaveTest-NodeA-41379) ISPN000172: Failed to prepare view CacheView{viewId=5, members=[ConcurrentOverlappingLeaveTest-NodeA-41379, ConcurrentOverlappingLeaveTest-NodeB-58370, ConcurrentOverlappingLeaveTest-NodeC-61261]} for cache dist, rolling back to view CacheView{viewId=4, members=[ConcurrentOverlappingLeaveTest-NodeA-41379, ConcurrentOverlappingLeaveTest-NodeB-58370, ConcurrentOverlappingLeaveTest-NodeC-61261, ConcurrentOverlappingLeaveTest-NodeD-39762]} java.util.concurrent.ExecutionException: java.lang.IllegalStateException: dist: Received cache view prepare request after the local node has already shut down at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:232) at java.util.concurrent.FutureTask.get(FutureTask.java:91) at org.infinispan.cacheviews.CacheViewsManagerImpl.clusterPrepareView(CacheViewsManagerImpl.java:319) at org.infinispan.cacheviews.CacheViewsManagerImpl.clusterInstallView(CacheViewsManagerImpl.java:250) at org.infinispan.cacheviews.CacheViewsManagerImpl$ViewInstallationTask.call(CacheViewsManagerImpl.java:876) 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$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:680) Caused by: java.lang.IllegalStateException: dist: Received cache view prepare request after the local node has already shut down at org.infinispan.cacheviews.CacheViewsManagerImpl.handlePrepareView(CacheViewsManagerImpl.java:488) at org.infinispan.commands.control.CacheViewControlCommand.perform(CacheViewControlCommand.java:125) at org.infinispan.remoting.InboundInvocationHandlerImpl.handle(InboundInvocationHandlerImpl.java:95) at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.executeCommand(CommandAwareRpcDispatcher.java:178) at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.handle(CommandAwareRpcDispatcher.java:158) at org.jgroups.blocks.RequestCorrelator.handleRequest(RequestCorrelator.java:447) at org.jgroups.blocks.RequestCorrelator.receiveMessage(RequestCorrelator.java:354) at org.jgroups.blocks.RequestCorrelator.receive(RequestCorrelator.java:230) at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:542) at org.jgroups.JChannel.up(JChannel.java:715) at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:1015) at org.jgroups.protocols.FRAG2.up(FRAG2.java:181) at org.jgroups.protocols.FC.up(FC.java:499) at org.jgroups.protocols.pbcast.GMS.up(GMS.java:884) at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:244) at org.jgroups.protocols.RSVP.up(RSVP.java:189) at org.jgroups.protocols.UNICAST2.up(UNICAST2.java:435) at org.jgroups.protocols.pbcast.NAKACK2.handleMessage(NAKACK2.java:690) at org.jgroups.protocols.pbcast.NAKACK2.up(NAKACK2.java:526) at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:140) at org.jgroups.protocols.FD.up(FD.java:273) at org.jgroups.protocols.FD_SOCK.up(FD_SOCK.java:282) at org.jgroups.protocols.Discovery.up(Discovery.java:355) at org.jgroups.protocols.TP.passMessageUp(TP.java:1194) at org.jgroups.protocols.TP$IncomingPacket.handleMyMessage(TP.java:1749) at org.jgroups.protocols.TP$IncomingPacket.run(TP.java:1731) ... 3 more -- Manik Surtani manik(a)jboss.org twitter.com/maniksurtani Lead, Infinispan http://www.infinispan.org