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https://issues.apache.org/jira/browse/HDFS-15297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17092391#comment-17092391
]
Mingliang Liu commented on HDFS-15297:
--------------------------------------
+1 after the checkstyle is fixed.
> TestNNHandlesBlockReportPerStorage::blockReport_02 fails intermittently in
> trunk
> --------------------------------------------------------------------------------
>
> Key: HDFS-15297
> URL: https://issues.apache.org/jira/browse/HDFS-15297
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode, test
> Affects Versions: 3.4.0
> Reporter: Mingliang Liu
> Assignee: Ayush Saxena
> Priority: Major
> Attachments: HDFS-15297-01.patch, HDFS-15297-02.patch,
> HDFS-15297-03.patch
>
>
> It fails intermittently on {{trunk}} branch. Not sure about other branches.
> Example builds are:
> -
> https://builds.apache.org/job/hadoop-multibranch/job/PR-1964/4/testReport/org.apache.hadoop.hdfs.server.datanode/TestNNHandlesBlockReportPerStorage/blockReport_02/
> - <To add more>
> Sample exception stack:
> {quote}
> java.lang.AssertionError: Wrong number of MissingBlocks is found expected:<2>
> but was:<1>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:834)
> at org.junit.Assert.assertEquals(Assert.java:645)
> at
> org.apache.hadoop.hdfs.server.datanode.BlockReportTestBase.blockReport_02(BlockReportTestBase.java:336)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.lang.Thread.run(Thread.java:748)
> {quote}
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