Minor Description
I was trying to find cause for test failure in https://builds.apache.org/job/PreCommit-HBASE-Build/9036//testReport/org.apache.hadoop.hbase.snapshot/TestSecureExportSnapshot/testExportRetry/ :
org.apache.hadoop.hbase.snapshot.HBaseSnapshotException: org.apache.hadoop.hbase.snapshot.HBaseSnapshotException: Snapshot { ss=emptySnaptb0-1395177346656 table=testtb-1395177346656 type=FLUSH } had an error. Procedure emptySnaptb0-1395177346656 { waiting=[] done=[] }
at org.apache.hadoop.hbase.master.snapshot.SnapshotManager.isSnapshotDone(SnapshotManager.java:342)
at org.apache.hadoop.hbase.master.HMaster.isSnapshotDone(HMaster.java:3007)
at org.apache.hadoop.hbase.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java:40494)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2020)
at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:98)
at org.apache.hadoop.hbase.ipc.FifoRpcScheduler$1.run(FifoRpcScheduler.java:73)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
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)
Caused by: org.apache.hadoop.hbase.snapshot.CorruptedSnapshotException via Failed taking snapshot { ss=emptySnaptb0-1395177346656 table=testtb-1395177346656 type=FLUSH } due to exception:Regions moved during the snapshot '{ ss=emptySnaptb0-1395177346656 table=testtb-1395177346656 type=FLUSH }'. expected=9 snapshotted=8:org.apache.hadoop.hbase.snapshot.CorruptedSnapshotException: Regions moved during the snapshot '{ ss=emptySnaptb0-1395177346656 table=testtb-1395177346656 type=FLUSH }'. expected=9 snapshotted=8
at org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher.rethrowException(ForeignExceptionDispatcher.java:83)
at org.apache.hadoop.hbase.master.snapshot.TakeSnapshotHandler.rethrowExceptionIfFailed(TakeSnapshotHandler.java:320)
at org.apache.hadoop.hbase.master.snapshot.SnapshotManager.isSnapshotDone(SnapshotManager.java:332)
... 11 more
However, it is not clear which region caused the verification to fail.
I searched for log from balancer but found none.
The exception message should include region name which caused the verification to fail.