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https://issues.apache.org/jira/browse/HDFS-9691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15146903#comment-15146903
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Akira AJISAKA commented on HDFS-9691:
-------------------------------------
+1, committing this.
> o.a.h.hdfs.server.blockmanagement.TestBlockManagerSafeMode#testCheckSafeMode
> fails intermittently
> -------------------------------------------------------------------------------------------------
>
> Key: HDFS-9691
> URL: https://issues.apache.org/jira/browse/HDFS-9691
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Affects Versions: 3.0.0, 2.8.0
> Reporter: Mingliang Liu
> Assignee: Mingliang Liu
> Attachments: HDFS-9691.000.patch
>
>
> It's a flaky test method and can rarely re-produce locally. We can see this
> happened in recent build, e.g.
> *
> https://builds.apache.org/job/PreCommit-HDFS-Build/14225/testReport/org.apache.hadoop.hdfs.server.blockmanagement/TestBlockManagerSafeMode/testCheckSafeMode/
> *
> https://builds.apache.org/job/PreCommit-HDFS-Build/14139/testReport/org.apache.hadoop.hdfs.server.blockmanagement/TestBlockManagerSafeMode/testCheckSafeMode/
> {code}
> Error Message
> expected:<EXTENSION> but was:<OFF>
> Stacktrace
> java.lang.AssertionError: expected:<EXTENSION> but was:<OFF>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:144)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.TestBlockManagerSafeMode.testCheckSafeMode(TestBlockManagerSafeMode.java:165)
> {code}
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