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From "Matteo Bertozzi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9458) Intermittent TestFlushSnapshotFromClient#testTakeSnapshotAfterMerge failure
Date Mon, 09 Sep 2013 05:38:51 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13761635#comment-13761635
] 

Matteo Bertozzi commented on HBASE-9458:
----------------------------------------

{quote}How about catching CorruptedSnapshotException from admin.snapshot() call so that the
test doesn't fail?{quote}
Yes, you can add a "snapshot()" method in SnapshotTestingUtil that wraps admin.snapshot()
with a while and a catch CorruptedException but then you don't have much control on how many
times it fails (which should be low) and what is the cause.
but feel free to do it if you want the tests always passing and you don't consider this failure
something that you want to look at every time.
                
> Intermittent TestFlushSnapshotFromClient#testTakeSnapshotAfterMerge failure
> ---------------------------------------------------------------------------
>
>                 Key: HBASE-9458
>                 URL: https://issues.apache.org/jira/browse/HBASE-9458
>             Project: HBase
>          Issue Type: Test
>            Reporter: Ted Yu
>
> From https://builds.apache.org/job/HBase-0.96/20/testReport/org.apache.hadoop.hbase.snapshot/TestFlushSnapshotFromClient/testTakeSnapshotAfterMerge/
:
> {code}
> org.apache.hadoop.hbase.snapshot.HBaseSnapshotException: org.apache.hadoop.hbase.snapshot.HBaseSnapshotException:
Snapshot { ss=snapshotAfterMerge table=test type=FLUSH } had an error.  Procedure snapshotAfterMerge
{ waiting=[] done=[] }
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> 	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
> 	at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:95)
> 	at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:79)
> 	at org.apache.hadoop.hbase.client.RpcRetryingCaller.translateException(RpcRetryingCaller.java:210)
> 	at org.apache.hadoop.hbase.client.RpcRetryingCaller.translateException(RpcRetryingCaller.java:221)
> 	at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:125)
> 	at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:96)
> 	at org.apache.hadoop.hbase.client.HBaseAdmin.executeCallable(HBaseAdmin.java:3120)
> 	at org.apache.hadoop.hbase.client.HBaseAdmin.snapshot(HBaseAdmin.java:2672)
> 	at org.apache.hadoop.hbase.client.HBaseAdmin.snapshot(HBaseAdmin.java:2605)
> 	at org.apache.hadoop.hbase.client.HBaseAdmin.snapshot(HBaseAdmin.java:2612)
> 	at org.apache.hadoop.hbase.snapshot.TestFlushSnapshotFromClient.testTakeSnapshotAfterMerge(TestFlushSnapshotFromClient.java:336)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:606)
> 	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
> 	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
> 	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> 	at org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
> Caused by: org.apache.hadoop.hbase.ipc.RemoteWithExtrasException: org.apache.hadoop.hbase.snapshot.HBaseSnapshotException:
Snapshot { ss=snapshotAfterMerge table=test type=FLUSH } had an error.  Procedure snapshotAfterMerge
{ waiting=[] done=[] }
> 	at org.apache.hadoop.hbase.master.snapshot.SnapshotManager.isSnapshotDone(SnapshotManager.java:365)
> 	at org.apache.hadoop.hbase.master.HMaster.isSnapshotDone(HMaster.java:2947)
> 	at org.apache.hadoop.hbase.protobuf.generated.MasterAdminProtos$MasterAdminService$2.callBlockingMethod(MasterAdminProtos.java:32890)
> 	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2146)
> 	at org.apache.hadoop.hbase.ipc.RpcServer$Handler.run(RpcServer.java:1851)
> Caused by: org.apache.hadoop.hbase.snapshot.CorruptedSnapshotException via Failed taking
snapshot { ss=snapshotAfterMerge table=test type=FLUSH } due to exception:Missing parent hfile
for: 30b951996ef34885a2f5d64e4acb2467.6d1ed72bf95759cb606e8a6efdc6908e:org.apache.hadoop.hbase.snapshot.CorruptedSnapshotException:
Missing parent hfile for: 30b951996ef34885a2f5d64e4acb2467.6d1ed72bf95759cb606e8a6efdc6908e
> 	at org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher.rethrowException(ForeignExceptionDispatcher.java:85)
> 	at org.apache.hadoop.hbase.master.snapshot.TakeSnapshotHandler.rethrowExceptionIfFailed(TakeSnapshotHandler.java:318)
> 	at org.apache.hadoop.hbase.master.snapshot.SnapshotManager.isSnapshotDone(SnapshotManager.java:355)
> 	... 4 more
> Caused by: org.apache.hadoop.hbase.snapshot.CorruptedSnapshotException: Missing parent
hfile for: 30b951996ef34885a2f5d64e4acb2467.6d1ed72bf95759cb606e8a6efdc6908e
> 	at org.apache.hadoop.hbase.master.snapshot.MasterSnapshotVerifier.verifyStoreFile(MasterSnapshotVerifier.java:224)
> 	at org.apache.hadoop.hbase.master.snapshot.MasterSnapshotVerifier.access$000(MasterSnapshotVerifier.java:82)
> 	at org.apache.hadoop.hbase.master.snapshot.MasterSnapshotVerifier$1.storeFile(MasterSnapshotVerifier.java:210)
> 	at org.apache.hadoop.hbase.util.FSVisitor.visitRegionStoreFiles(FSVisitor.java:115)
> 	at org.apache.hadoop.hbase.snapshot.SnapshotReferenceUtil.visitRegionStoreFiles(SnapshotReferenceUtil.java:123)
> 	at org.apache.hadoop.hbase.master.snapshot.MasterSnapshotVerifier.verifyRegion(MasterSnapshotVerifier.java:207)
> 	at org.apache.hadoop.hbase.master.snapshot.MasterSnapshotVerifier.verifyRegions(MasterSnapshotVerifier.java:175)
> 	at org.apache.hadoop.hbase.master.snapshot.MasterSnapshotVerifier.verifySnapshot(MasterSnapshotVerifier.java:120)
> 	at org.apache.hadoop.hbase.master.snapshot.TakeSnapshotHandler.process(TakeSnapshotHandler.java:189)
> 	at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:131)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:724)
> 	at org.apache.hadoop.hbase.ipc.RpcClient.call(RpcClient.java:1425)
> 	at org.apache.hadoop.hbase.ipc.RpcClient.callBlockingMethod(RpcClient.java:1629)
> 	at org.apache.hadoop.hbase.ipc.RpcClient$BlockingRpcChannelImplementation.callBlockingMethod(RpcClient.java:1686)
> 	at org.apache.hadoop.hbase.protobuf.generated.MasterAdminProtos$MasterAdminService$BlockingStub.isSnapshotDone(MasterAdminProtos.java:34923)
> 	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$5.isSnapshotDone(HConnectionManager.java:2123)
> 	at org.apache.hadoop.hbase.client.HBaseAdmin$24.call(HBaseAdmin.java:2675)
> 	at org.apache.hadoop.hbase.client.HBaseAdmin$24.call(HBaseAdmin.java:2672)
> 	at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:118)
> {code}

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