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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (HBASE-21221) Ineffective assertion in TestFromClientSide3#testMultiRowMutations
Date Mon, 01 Oct 2018 23:03:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-21221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu reopened HBASE-21221:
----------------------------

> Ineffective assertion in TestFromClientSide3#testMultiRowMutations
> ------------------------------------------------------------------
>
>                 Key: HBASE-21221
>                 URL: https://issues.apache.org/jira/browse/HBASE-21221
>             Project: HBase
>          Issue Type: Test
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Minor
>             Fix For: 3.0.0
>
>         Attachments: 21221.addendum.txt, 21221.v10.txt, 21221.v11.txt, 21221.v12.txt,
21221.v7.txt, 21221.v8.txt, 21221.v9.txt
>
>
> Observed the following in org.apache.hadoop.hbase.util.TestFromClientSide3WoUnsafe-output.txt
:
> {code}
> Caused by: org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(java.io.IOException):
java.io.IOException: Timed out waiting for lock for row: ROW-1 in region 089bdfa75f44d88e596479038a6da18b
>   at org.apache.hadoop.hbase.regionserver.HRegion.getRowLockInternal(HRegion.java:5816)
>   at org.apache.hadoop.hbase.regionserver.HRegion$4.lockRowsAndBuildMiniBatch(HRegion.java:7432)
>   at org.apache.hadoop.hbase.regionserver.HRegion.doMiniBatchMutate(HRegion.java:4008)
>   at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:3982)
>   at org.apache.hadoop.hbase.regionserver.HRegion.mutateRowsWithLocks(HRegion.java:7424)
>   at org.apache.hadoop.hbase.coprocessor.MultiRowMutationEndpoint.mutateRows(MultiRowMutationEndpoint.java:116)
>   at org.apache.hadoop.hbase.protobuf.generated.MultiRowMutationProtos$MultiRowMutationService.callMethod(MultiRowMutationProtos.java:2266)
>   at org.apache.hadoop.hbase.regionserver.HRegion.execService(HRegion.java:8182)
>   at org.apache.hadoop.hbase.regionserver.RSRpcServices.execServiceOnRegion(RSRpcServices.java:2481)
>   at org.apache.hadoop.hbase.regionserver.RSRpcServices.execService(RSRpcServices.java:2463)
> ...
> Exception in thread "pool-678-thread-1" java.lang.AssertionError: This cp should fail
because the target lock is blocked by previous put
>   at org.junit.Assert.fail(Assert.java:88)
>   at org.apache.hadoop.hbase.client.TestFromClientSide3.lambda$testMultiRowMutations$7(TestFromClientSide3.java:861)
>   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> {code}
> Here is related code:
> {code}
>       cpService.execute(() -> {
> ...
>         if (!threw) {
>           // Can't call fail() earlier because the catch would eat it.
>           fail("This cp should fail because the target lock is blocked by previous put");
>         }
> {code}
> Since the fail() call is executed by the cpService, the assertion had no bearing on the
outcome of the test.



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