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https://issues.apache.org/jira/browse/HDFS-5857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Haohui Mai updated HDFS-5857:
-----------------------------
Hadoop Flags: Reviewed
> TestWebHDFS#testNamenodeRestart fails intermittently with NPE
> -------------------------------------------------------------
>
> Key: HDFS-5857
> URL: https://issues.apache.org/jira/browse/HDFS-5857
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 3.0.0, 2.2.0
> Reporter: Mit Desai
> Assignee: Mit Desai
> Fix For: 2.4.0
>
> Attachments: HDFS-5857.patch, HDFS-5857.patch
>
>
> {noformat}
> java.lang.AssertionError: There are 1 exception(s):
> Exception 0:
> org.apache.hadoop.ipc.RemoteException(java.lang.NullPointerException): null
> at
> org.apache.hadoop.hdfs.web.JsonUtil.toRemoteException(JsonUtil.java:157)
> at
> org.apache.hadoop.hdfs.web.WebHdfsFileSystem.validateResponse(WebHdfsFileSystem.java:315)
> at
> org.apache.hadoop.hdfs.web.WebHdfsFileSystem.access$700(WebHdfsFileSystem.java:105)
> at
> org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.getResponse(WebHdfsFileSystem.java:625)
> at
> org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.run(WebHdfsFileSystem.java:532)
> at
> org.apache.hadoop.hdfs.web.WebHdfsFileSystem.run(WebHdfsFileSystem.java:421)
> at
> org.apache.hadoop.hdfs.web.WebHdfsFileSystem.mkdirs(WebHdfsFileSystem.java:701)
> at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:1816)
> at org.apache.hadoop.hdfs.DFSTestUtil.createFile(DFSTestUtil.java:196)
> at
> org.apache.hadoop.hdfs.TestDFSClientRetries$6.run(TestDFSClientRetries.java:920)
> at java.lang.Thread.run(Thread.java:722)
> at org.junit.Assert.fail(Assert.java:93)
> at
> org.apache.hadoop.hdfs.TestDFSClientRetries.assertEmpty(TestDFSClientRetries.java:1031)
> at
> org.apache.hadoop.hdfs.TestDFSClientRetries.namenodeRestartTest(TestDFSClientRetries.java:951)
> at
> org.apache.hadoop.hdfs.web.TestWebHDFS.testNamenodeRestart(TestWebHDFS.java:216)
> {noformat}
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