RemoteTransactionLoggerImpl should handle RPC errors better

[JBoss] 08:50:03,207 INFO  [DistributionManagerImpl] Detected a view change.  Member list changed from [perf02-63027, perf04-63783, perf03-36672, perf01-30087] to [perf04-63783, perf03-36672, perf01-30087]
[JBoss] 08:50:03,207 INFO  [DistributionManagerImpl] This is a LEAVE event!  Node perf02-63027 has just left
[JBoss] 08:50:03,208 INFO  [DistributionManagerImpl] I perf01-30087 am participating in rehash, state providers [perf03-36672, perf01-30087], state receivers [perf04-63783, perf03-36672]
[JBoss] 08:50:03,408 INFO  [InboundInvocationHandlerImpl] Will try and wait for the cache to start
[JBoss] 08:50:03,554 ERROR [JoinTask] Caught exception!
[JBoss] java.util.concurrent.ExecutionException: org.infinispan.remoting.RpcException: Expected just one response; got {} instead!
[JBoss] 	at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
[JBoss] 	at java.util.concurrent.FutureTask.get(FutureTask.java:83)
[JBoss] 	at org.infinispan.distribution.JoinTask.performRehash(JoinTask.java:100)
[JBoss] 	at org.infinispan.distribution.RehashTask.call(RehashTask.java:75)
[JBoss] 	at org.infinispan.distribution.RehashTask.call(RehashTask.java:41)
[JBoss] 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
[JBoss] 	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
[JBoss] 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
[JBoss] 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
[JBoss] 	at java.lang.Thread.run(Thread.java:619)
[JBoss] Caused by: org.infinispan.remoting.RpcException: Expected just one response; got {} instead!
[JBoss] 	at org.infinispan.distribution.RemoteTransactionLoggerImpl.extractRemoteTransactionLogDetails(RemoteTransactionLoggerImpl.java:41)
[JBoss] 	at org.infinispan.distribution.RemoteTransactionLoggerImpl.drain(RemoteTransactionLoggerImpl.java:53)
[JBoss] 	at org.infinispan.distribution.DistributionManagerImpl.drainLocalTransactionLog(DistributionManagerImpl.java:636)
[JBoss] 	at org.infinispan.distribution.DistributionManagerImpl.applyState(DistributionManagerImpl.java:542)
[JBoss] 	at org.infinispan.distribution.RehashTask$StateGrabber.call(RehashTask.java:143)
[JBoss] 	at org.infinispan.distribution.RehashTask$StateGrabber.call(RehashTask.java:125)
[JBoss] 	... 5 more