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From "Guanghao Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-16368) test*WhenRegionMove in TestPartialResultsFromClientSide is flaky
Date Sat, 06 Aug 2016 09:33:20 GMT
Guanghao Zhang created HBASE-16368:
--------------------------------------

             Summary: test*WhenRegionMove in TestPartialResultsFromClientSide is flaky
                 Key: HBASE-16368
                 URL: https://issues.apache.org/jira/browse/HBASE-16368
             Project: HBase
          Issue Type: Bug
          Components: Scanners
    Affects Versions: 1.4.0
            Reporter: Guanghao Zhang


This test fail when Hadoop QA run preCommit:
https://builds.apache.org/job/PreCommit-HBASE-Build/2971/testReport/org.apache.hadoop.hbase/TestPartialResultsFromClientSide/testReversedCompleteResultWhenRegionMove/.

And I found it is in Flaky Tests Dashboard: http://hbase.x10host.com/flaky-tests/. I run it
in my local machine and it may fail, too.

Test results show that the region location didn't update when scanner callable get a NotServingRegionException
or RegionMovedException.
{code}
org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=36, exceptions:
Sat Aug 06 05:55:52 UTC 2016, null, java.net.SocketTimeoutException: callTimeout=2000, callDuration=2157:
org.apache.hadoop.hbase.NotServingRegionException: testReversedCompleteResultWhenRegionMove,,1470462949504.5069bd63bf6eda5108acec4fcc087b0e.
is closing
	at org.apache.hadoop.hbase.regionserver.HRegion.startRegionOperation(HRegion.java:8233)
	at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2634)
	at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2629)
	at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2623)
	at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:2490)
	at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:34950)
	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2264)
	at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:118)
	at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:189)
	at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:169)
 row '' on table 'testReversedCompleteResultWhenRegionMove' at region=testReversedCompleteResultWhenRegionMove,,1470462949504.5069bd63bf6eda5108acec4fcc087b0e.,
hostname=asf907.gq1.ygridcore.net,38914,1470462943053, seqNum=2

	at org.apache.hadoop.hbase.client.RpcRetryingCallerWithReadReplicas.throwEnrichedException(RpcRetryingCallerWithReadReplicas.java:281)
	at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.call(ScannerCallableWithReplicas.java:213)
	at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.call(ScannerCallableWithReplicas.java:61)
	at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithoutRetries(RpcRetryingCaller.java:212)
	at org.apache.hadoop.hbase.client.ReversedClientScanner.nextScanner(ReversedClientScanner.java:118)
	at org.apache.hadoop.hbase.client.ClientScanner.initializeScannerInConstruction(ClientScanner.java:166)
	at org.apache.hadoop.hbase.client.ClientScanner.<init>(ClientScanner.java:161)
	at org.apache.hadoop.hbase.client.ReversedClientScanner.<init>(ReversedClientScanner.java:56)
	at org.apache.hadoop.hbase.client.HTable.getScanner(HTable.java:785)
	at org.apache.hadoop.hbase.TestPartialResultsFromClientSide.testReversedCompleteResultWhenRegionMove(TestPartialResultsFromClientSide.java:986)
{code}

{code}
org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=36, exceptions:
Sat Aug 06 16:27:22 CST 2016, null, java.net.SocketTimeoutException: callTimeout=2000, callDuration=3035:
Region moved to: hostname=localhost port=58351 startCode=1470472007714. As of locationSeqNum=6.
row 'testRow0' on table 'testPartialResultWhenRegionMove' at region=testPartialResultWhenRegionMove,,1470472035048.977faf05c1d6d9990b5559b17aa18913.,
hostname=localhost,40425,1470472007646, seqNum=2

	at org.apache.hadoop.hbase.client.RpcRetryingCallerWithReadReplicas.throwEnrichedException(RpcRetryingCallerWithReadReplicas.java:281)
	at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.call(ScannerCallableWithReplicas.java:213)
	at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.call(ScannerCallableWithReplicas.java:61)
	at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithoutRetries(RpcRetryingCaller.java:212)
	at org.apache.hadoop.hbase.client.ClientScanner.call(ClientScanner.java:326)
	at org.apache.hadoop.hbase.client.ClientScanner.nextScanner(ClientScanner.java:301)
	at org.apache.hadoop.hbase.client.ClientScanner.possiblyNextScanner(ClientScanner.java:247)
	at org.apache.hadoop.hbase.client.ClientScanner.loadCache(ClientScanner.java:541)
	at org.apache.hadoop.hbase.client.ClientScanner.next(ClientScanner.java:370)
	at org.apache.hadoop.hbase.TestPartialResultsFromClientSide.testPartialResultWhenRegionMove(TestPartialResultsFromClientSide.java:884)
Caused by: java.net.SocketTimeoutException: callTimeout=2000, callDuration=3035: Region moved
to: hostname=localhost port=58351 startCode=1470472007714. As of locationSeqNum=6. row 'testRow0'
on table 'testPartialResultWhenRegionMove' at region=testPartialResultWhenRegionMove,,1470472035048.977faf05c1d6d9990b5559b17aa18913.,
hostname=localhost,40425,1470472007646, seqNum=2
	at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:171)
	at org.apache.hadoop.hbase.client.ResultBoundedCompletionService$QueueingFuture.run(ResultBoundedCompletionService.java:65)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.hadoop.hbase.exceptions.RegionMovedException: Region moved to: hostname=localhost
port=58351 startCode=1470472007714. As of locationSeqNum=6.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:106)
	at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:95)
	at org.apache.hadoop.hbase.protobuf.ProtobufUtil.getRemoteException(ProtobufUtil.java:332)
	at org.apache.hadoop.hbase.client.ScannerCallable.openScanner(ScannerCallable.java:406)
	at org.apache.hadoop.hbase.client.ScannerCallable.call(ScannerCallable.java:210)
	at org.apache.hadoop.hbase.client.ScannerCallable.call(ScannerCallable.java:64)
	at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithoutRetries(RpcRetryingCaller.java:212)
	at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas$RetryingRPC.call(ScannerCallableWithReplicas.java:367)
	at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas$RetryingRPC.call(ScannerCallableWithReplicas.java:341)
	at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:137)
	at org.apache.hadoop.hbase.client.ResultBoundedCompletionService$QueueingFuture.run(ResultBoundedCompletionService.java:65)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
{code}




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