TestHRegionOnCluster.testDataCorrectnessReplayingRecoveredEdits still fails occasionally.

java.lang.reflect.UndeclaredThrowableException
	at $Proxy20.move(Unknown Source)
	at org.apache.hadoop.hbase.client.HBaseAdmin.move(HBaseAdmin.java:1426)
	at org.apache.hadoop.hbase.regionserver.TestHRegionOnCluster.testDataCorrectnessReplayingRecoveredEdits(TestHRegionOnCluster.java:84)
	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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
	at org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:62)
Caused by: org.apache.hadoop.ipc.RemoteException: org.apache.hadoop.hbase.UnknownRegionException: 3775e6eba7718e4e4571942ae73b5851
	at org.apache.hadoop.hbase.master.HMaster.move(HMaster.java:1159)
	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.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:364)
	at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1426)

	at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:1021)
	at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:150)
	... 12 more