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https://issues.apache.org/jira/browse/HBASE-26651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17470290#comment-17470290
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Duo Zhang commented on HBASE-26651:
-----------------------------------
This for sync replication so should not be affected by HBASE-26233.
Will take a look later.
> TestDrainReplicationQueuesForStandBy is flakey
> ----------------------------------------------
>
> Key: HBASE-26651
> URL: https://issues.apache.org/jira/browse/HBASE-26651
> Project: HBase
> Issue Type: Test
> Components: Replication, test
> Affects Versions: 3.0.0-alpha-3
> Reporter: Nick Dimiduk
> Priority: Major
>
> {{TestDrainReplicationQueuesForStandBy}} is behaving badly for me, it keeps
> coming up as a failure in PRs. It's been passing on master nightlies. When I
> checkout a recent master, {{ce2bbaf30a}}, and run the test in a loop, I see
> it failing with this error at a rate of about 2 in 10 tries.
> {noformat}
> [INFO] Running
> org.apache.hadoop.hbase.replication.regionserver.TestDrainReplicationQueuesForStandBy
> [ERROR] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed:
> 35.264 s <<< FAILURE! - in
> org.apache.hadoop.hbase.replication.regionserver.TestDrainReplicationQueuesForStandBy
>
> [ERROR]
> org.apache.hadoop.hbase.replication.regionserver.TestDrainReplicationQueuesForStandBy.test
> Time elapsed: 15.628 s <<< ERROR!
> java.lang.IndexOutOfBoundsException: Index 0 out of bounds for length 0
>
> at
> java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64)
>
>
> at
> java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70)
>
>
> at
> java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:248)
>
> at java.base/java.util.Objects.checkIndex(Objects.java:372)
>
>
> at java.base/java.util.ArrayList.get(ArrayList.java:459)
>
>
> at
> org.apache.hadoop.hbase.replication.regionserver.TestDrainReplicationQueuesForStandBy.test(TestDrainReplicationQueuesForStandBy.java:77)
>
> at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.base/java.lang.reflect.Method.invoke(Method.java:566)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
> at
> org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
> at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
> at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at
> org.apache.hadoop.hbase.SystemExitRule$1.evaluate(SystemExitRule.java:38)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:299)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:293)
> at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
> at java.base/java.lang.Thread.run(Thread.java:829)
> {noformat}
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