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From "Rushabh S Shah (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10260) TestFsDatasetImpl#testCleanShutdownOfVolume often fails
Date Thu, 07 Apr 2016 15:50:25 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10260?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rushabh S Shah updated HDFS-10260:
----------------------------------
    Attachment: HDFS-10260-v1.patch

> TestFsDatasetImpl#testCleanShutdownOfVolume often fails
> -------------------------------------------------------
>
>                 Key: HDFS-10260
>                 URL: https://issues.apache.org/jira/browse/HDFS-10260
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode, test
>            Reporter: Wei-Chiu Chuang
>            Assignee: Rushabh S Shah
>         Attachments: HDFS-10260-v1.patch, HDFS-10260.patch
>
>
> This test failure occurs in upstream Jenkins. Looking at the test code, I think it should
be improved to capture the root cause of failure:
> E.g. change {{Thread.sleep(1000)}} to {{GenericTestUtils.waitFor}} and use {{GenericTestUtils.assertExceptionContains}}
to replace 
> {code}
> Assert.assertTrue(ioe.getMessage().contains(info.toString()));
> {code}
> https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/1062/testReport/junit/org.apache.hadoop.hdfs.server.datanode.fsdataset.impl/TestFsDatasetImpl/testCleanShutdownOfVolume/
> java.lang.AssertionError: null
> 	at org.junit.Assert.fail(Assert.java:86)
> 	at org.junit.Assert.assertTrue(Assert.java:41)
> 	at org.junit.Assert.assertTrue(Assert.java:52)
> 	at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestFsDatasetImpl.testCleanShutdownOfVolume(TestFsDatasetImpl.java:683)
> Standard Error
> Exception in thread "DataNode: [[[DISK]file:/home/jenkins/jenkins-slave/workspace/Hadoop-Hdfs-trunk-Java8/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/data/data1/,
[DISK]file:/home/jenkins/jenkins-slave/workspace/Hadoop-Hdfs-trunk-Java8/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/data/data2/]]
 heartbeating to localhost/127.0.0.1:35113" java.lang.NullPointerException
> 	at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.getBlockReports(FsDatasetImpl.java:1714)
> 	at org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.shutdownBlockPool(FsDatasetImpl.java:2591)
> 	at org.apache.hadoop.hdfs.server.datanode.DataNode.shutdownBlockPool(DataNode.java:1479)
> 	at org.apache.hadoop.hdfs.server.datanode.BPOfferService.shutdownActor(BPOfferService.java:411)
> 	at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.cleanUp(BPServiceActor.java:494)
> 	at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:749)
> 	at java.lang.Thread.run(Thread.java:744)



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