During EAP 6.1.0.ER3 testing, I've seen these two exceptions after the node receives new view:

05:11:11,032 INFO  [org.jboss.as.clustering] (Incoming-10,shared=udp) JBAS010225: New cluster view for partition ejb (id: 6, delta: -1, merge: false) : [perf21/ejb, perf20/ejb, perf18/ejb]
05:11:11,032 INFO  [org.infinispan.remoting.transport.jgroups.JGroupsTransport] (Incoming-10,shared=udp) ISPN000094: Received new cluster view: [perf21/ejb|6] [perf21/ejb, perf20/ejb, perf18/ejb]
05:11:11,138 WARN  [org.infinispan.topology.CacheTopologyControlCommand] (OOB-9,shared=udp) ISPN000071: Caught exception when handling command CacheTopologyControlCommand{cache=org.jboss.test.clusterbench.ejb.stateful.RemoteStatefulSBImpl, type=CH_UPDATE, sender=perf21/ejb, joinInfo=null, topologyId=17, currentCH=DefaultConsistentHash{numSegments=80, numOwners=2, members=[perf21/ejb, perf20/ejb, perf18/ejb]}, pendingCH=null, throwable=null, viewId=6}: java.lang.IllegalArgumentException: The task is already cancelled.
	at org.infinispan.statetransfer.InboundTransferTask.cancelSegments(InboundTransferTask.java:167)
	at org.infinispan.statetransfer.StateConsumerImpl.cancelTransfers(StateConsumerImpl.java:774)
	at org.infinispan.statetransfer.StateConsumerImpl.onTopologyUpdate(StateConsumerImpl.java:314)
	at org.infinispan.statetransfer.StateTransferManagerImpl.doTopologyUpdate(StateTransferManagerImpl.java:195)
	at org.infinispan.statetransfer.StateTransferManagerImpl.access$000(StateTransferManagerImpl.java:61)
	at org.infinispan.statetransfer.StateTransferManagerImpl$1.updateConsistentHash(StateTransferManagerImpl.java:121)
	at org.infinispan.topology.LocalTopologyManagerImpl.handleConsistentHashUpdate(LocalTopologyManagerImpl.java:202)
	at org.infinispan.topology.CacheTopologyControlCommand.doPerform(CacheTopologyControlCommand.java:165)
	at org.infinispan.topology.CacheTopologyControlCommand.perform(CacheTopologyControlCommand.java:137)
	at org.infinispan.topology.ClusterTopologyManagerImpl.executeOnClusterSync(ClusterTopologyManagerImpl.java:540)
	at org.infinispan.topology.ClusterTopologyManagerImpl.broadcastConsistentHashUpdate(ClusterTopologyManagerImpl.java:332)
	at org.infinispan.topology.ClusterTopologyManagerImpl.handleRebalanceCompleted(ClusterTopologyManagerImpl.java:213)
	at org.infinispan.topology.CacheTopologyControlCommand.doPerform(CacheTopologyControlCommand.java:160)
	at org.infinispan.topology.CacheTopologyControlCommand.perform(CacheTopologyControlCommand.java:137)
	at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.executeCommandFromLocalCluster(CommandAwareRpcDispatcher.java:253)
	at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.handle(CommandAwareRpcDispatcher.java:220)
	at org.jgroups.blocks.RequestCorrelator.handleRequest(RequestCorrelator.java:484)
	at org.jgroups.blocks.RequestCorrelator.receiveMessage(RequestCorrelator.java:391)
	at org.jgroups.blocks.RequestCorrelator.receive(RequestCorrelator.java:249)
	at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:598)
	at org.jgroups.blocks.mux.MuxUpHandler.up(MuxUpHandler.java:130)
	at org.jgroups.JChannel.up(JChannel.java:707)
	at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:1020)
	at org.jgroups.protocols.RSVP.up(RSVP.java:172)
	at org.jgroups.protocols.FRAG2.up(FRAG2.java:181)
	at org.jgroups.protocols.FlowControl.up(FlowControl.java:418)
	at org.jgroups.protocols.FlowControl.up(FlowControl.java:400)
	at org.jgroups.protocols.pbcast.GMS.up(GMS.java:896)
	at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:245)
	at org.jgroups.protocols.UNICAST2.handleDataReceived(UNICAST2.java:765)
	at org.jgroups.protocols.UNICAST2.up(UNICAST2.java:420)
	at org.jgroups.protocols.pbcast.NAKACK2.up(NAKACK2.java:606)
	at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:143)
	at org.jgroups.protocols.FD.up(FD.java:253)
	at org.jgroups.protocols.FD_SOCK.up(FD_SOCK.java:288)
	at org.jgroups.protocols.MERGE3.up(MERGE3.java:290)
	at org.jgroups.protocols.Discovery.up(Discovery.java:359)
	at org.jgroups.protocols.TP$ProtocolAdapter.up(TP.java:2616)
	at org.jgroups.protocols.TP.passMessageUp(TP.java:1263)
	at org.jgroups.protocols.TP$IncomingPacket.handleMyMessage(TP.java:1825)
	at org.jgroups.protocols.TP$IncomingPacket.run(TP.java:1798)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) [rt.jar:1.6.0_43]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) [rt.jar:1.6.0_43]
	at java.lang.Thread.run(Thread.java:662) [rt.jar:1.6.0_43]
05:11:11,148 WARN  [org.infinispan.topology.CacheTopologyControlCommand] (OOB-9,shared=udp) ISPN000071: Caught exception when handling command CacheTopologyControlCommand{cache=org.jboss.test.clusterbench.ejb.stateful.RemoteStatefulSBImpl, type=REBALANCE_CONFIRM, sender=perf18/ejb, joinInfo=null, topologyId=16, currentCH=null, pendingCH=null, throwable=null, viewId=6}: org.infinispan.CacheException: Unsuccessful local response
	at org.infinispan.topology.ClusterTopologyManagerImpl.executeOnClusterSync(ClusterTopologyManagerImpl.java:545)
	at org.infinispan.topology.ClusterTopologyManagerImpl.broadcastConsistentHashUpdate(ClusterTopologyManagerImpl.java:332)
	at org.infinispan.topology.ClusterTopologyManagerImpl.handleRebalanceCompleted(ClusterTopologyManagerImpl.java:213)
	at org.infinispan.topology.CacheTopologyControlCommand.doPerform(CacheTopologyControlCommand.java:160)
	at org.infinispan.topology.CacheTopologyControlCommand.perform(CacheTopologyControlCommand.java:137)
	at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.executeCommandFromLocalCluster(CommandAwareRpcDispatcher.java:253)
	at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.handle(CommandAwareRpcDispatcher.java:220)
	at org.jgroups.blocks.RequestCorrelator.handleRequest(RequestCorrelator.java:484)
	at org.jgroups.blocks.RequestCorrelator.receiveMessage(RequestCorrelator.java:391)
	at org.jgroups.blocks.RequestCorrelator.receive(RequestCorrelator.java:249)
	at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:598)
	at org.jgroups.blocks.mux.MuxUpHandler.up(MuxUpHandler.java:130)
	at org.jgroups.JChannel.up(JChannel.java:707)
	at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:1020)
	at org.jgroups.protocols.RSVP.up(RSVP.java:172)
	at org.jgroups.protocols.FRAG2.up(FRAG2.java:181)
	at org.jgroups.protocols.FlowControl.up(FlowControl.java:418)
	at org.jgroups.protocols.FlowControl.up(FlowControl.java:400)
	at org.jgroups.protocols.pbcast.GMS.up(GMS.java:896)
	at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:245)
	at org.jgroups.protocols.UNICAST2.handleDataReceived(UNICAST2.java:765)
	at org.jgroups.protocols.UNICAST2.up(UNICAST2.java:420)
	at org.jgroups.protocols.pbcast.NAKACK2.up(NAKACK2.java:606)
	at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:143)
	at org.jgroups.protocols.FD.up(FD.java:253)
	at org.jgroups.protocols.FD_SOCK.up(FD_SOCK.java:288)
	at org.jgroups.protocols.MERGE3.up(MERGE3.java:290)
	at org.jgroups.protocols.Discovery.up(Discovery.java:359)
	at org.jgroups.protocols.TP$ProtocolAdapter.up(TP.java:2616)
	at org.jgroups.protocols.TP.passMessageUp(TP.java:1263)
	at org.jgroups.protocols.TP$IncomingPacket.handleMyMessage(TP.java:1825)
	at org.jgroups.protocols.TP$IncomingPacket.run(TP.java:1798)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) [rt.jar:1.6.0_43]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) [rt.jar:1.6.0_43]
	at java.lang.Thread.run(Thread.java:662) [rt.jar:1.6.0_43]

Seen e.g. in https://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-6x-failover-ejb-ejbremote-shutdown-dist-sync/14/console-perf21/

The second one also happens in different context:

05:19:42,932 WARN  [org.infinispan.topology.CacheTopologyControlCommand] (transport-thread-20) ISPN000071: Caught exception when handling command CacheTopologyControlCommand{cache=dist, type=REBALANCE_CONFIRM, sender=perf19/ejb, joinInfo=null, topologyId=34, currentCH=null, pendingCH=null, throwable=null, viewId=12}: org.infinispan.CacheException: Received invalid rebalance confirmation from perf19/ejb for cache dist, we don't have a rebalance in progress
	at org.infinispan.topology.ClusterTopologyManagerImpl.handleRebalanceCompleted(ClusterTopologyManagerImpl.java:206)
	at org.infinispan.topology.CacheTopologyControlCommand.doPerform(CacheTopologyControlCommand.java:160)
	at org.infinispan.topology.CacheTopologyControlCommand.perform(CacheTopologyControlCommand.java:137)
	...

05:19:42,934 ERROR [org.infinispan.topology.ClusterTopologyManagerImpl] (notification-thread-0) ISPN000196: Failed to recover cluster state after the current node became the coordinator: org.infinispan.CacheException: Unsuccessful local response
	at org.infinispan.topology.ClusterTopologyManagerImpl.executeOnClusterSync(ClusterTopologyManagerImpl.java:545)
	at org.infinispan.topology.ClusterTopologyManagerImpl.broadcastConsistentHashUpdate(ClusterTopologyManagerImpl.java:332)
	at org.infinispan.topology.ClusterTopologyManagerImpl.updateCacheStatusAfterMerge(ClusterTopologyManagerImpl.java:319)
	at org.infinispan.topology.ClusterTopologyManagerImpl.handleNewView(ClusterTopologyManagerImpl.java:236)
	at org.infinispan.topology.ClusterTopologyManagerImpl$ClusterViewListener.handleViewChange(ClusterTopologyManagerImpl.java:579)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.6.0_43]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) [rt.jar:1.6.0_43]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [rt.jar:1.6.0_43]
	at java.lang.reflect.Method.invoke(Method.java:597) [rt.jar:1.6.0_43]
	at org.infinispan.notifications.AbstractListenerImpl$ListenerInvocation$1.run(AbstractListenerImpl.java:212)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) [rt.jar:1.6.0_43]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) [rt.jar:1.6.0_43]
	at java.lang.Thread.run(Thread.java:662) [rt.jar:1.6.0_43]

05:19:42,933 ERROR [org.infinispan.remoting.rpc.RpcManagerImpl] (transport-thread-10) ISPN000073: Unexpected error while replicating: java.lang.InterruptedException
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.reportInterruptAfterWait(AbstractQueuedSynchronizer.java:1961) [rt.jar:1.6.0_43]
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2128) [rt.jar:1.6.0_43]
	at org.jgroups.blocks.Request.responsesComplete(Request.java:197)
	...

05:19:42,933 ERROR [org.infinispan.statetransfer.OutboundTransferTask] (transport-thread-11) Failed to send entries to node perf21/ejb : java.lang.InterruptedException: org.infinispan.CacheException: java.lang.InterruptedException
	at org.infinispan.remoting.rpc.RpcManagerImpl.invokeRemotely(RpcManagerImpl.java:179)
	at org.infinispan.remoting.rpc.RpcManagerImpl.invokeRemotely(RpcManagerImpl.java:190)
	at org.infinispan.statetransfer.OutboundTransferTask.sendEntries(OutboundTransferTask.java:257)
	...

Which suggests that maybe, this is related to bug 923818.

This was seen e.g. in https://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-6x-failover-ejb-ejbremote-shutdown-dist-sync/14/console-perf19/