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From "Mit Desai (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-5839) TestWebHDFS#testNamenodeRestart fails with NullPointerException in trunk
Date Tue, 04 Mar 2014 22:09:44 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mit Desai resolved HDFS-5839.
-----------------------------

    Resolution: Duplicate

HDFS-5857 has a patch for this issue. I am resolving this JIRA so that we have a single Jira
tracking it

> TestWebHDFS#testNamenodeRestart fails with NullPointerException in trunk
> ------------------------------------------------------------------------
>
>                 Key: HDFS-5839
>                 URL: https://issues.apache.org/jira/browse/HDFS-5839
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Mit Desai
>         Attachments: org.apache.hadoop.hdfs.web.TestWebHDFS-output.txt
>
>
> Here is test failure:
> {code}
> testNamenodeRestart(org.apache.hadoop.hdfs.web.TestWebHDFS)  Time elapsed: 45.206 sec
 <<< FAILURE!
> 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$700(WebHdfsFileSystem.java:104)
>         at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.getResponse(WebHdfsFileSystem.java:615)
>         at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.run(WebHdfsFileSystem.java:532)
>         at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$OffsetUrlOpener.connect(WebHdfsFileSystem.java:878)
>         at org.apache.hadoop.hdfs.web.ByteRangeInputStream.openInputStream(ByteRangeInputStream.java:119)
>         at org.apache.hadoop.hdfs.web.ByteRangeInputStream.getInputStream(ByteRangeInputStream.java:103)
>         at org.apache.hadoop.hdfs.web.ByteRangeInputStream.read(ByteRangeInputStream.java:180)
>         at java.io.FilterInputStream.read(FilterInputStream.java:83)
>         at org.apache.hadoop.hdfs.TestDFSClientRetries$5.run(TestDFSClientRetries.java:954)
>         at java.lang.Thread.run(Thread.java:724)
>         at org.junit.Assert.fail(Assert.java:93)
>         at org.apache.hadoop.hdfs.TestDFSClientRetries.assertEmpty(TestDFSClientRetries.java:1083)
>         at org.apache.hadoop.hdfs.TestDFSClientRetries.namenodeRestartTest(TestDFSClientRetries.java:1003)
>         at org.apache.hadoop.hdfs.web.TestWebHDFS.testNamenodeRestart(TestWebHDFS.java:216)
> {code}
> From test output:
> {code}
> 2014-01-27 17:55:59,388 WARN  resources.ExceptionHandler (ExceptionHandler.java:toResponse(92))
- INTERNAL_SERVER_ERROR
> java.lang.NullPointerException
>         at org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods.chooseDatanode(NamenodeWebHdfsMethods.java:166)
>         at org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods.redirectURI(NamenodeWebHdfsMethods.java:231)
>         at org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods.get(NamenodeWebHdfsMethods.java:658)
>         at org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods.access$400(NamenodeWebHdfsMethods.java:116)
>         at org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods$3.run(NamenodeWebHdfsMethods.java:631)
>         at org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods$3.run(NamenodeWebHdfsMethods.java:626)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:415)
>         at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1560)
>         at org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods.get(NamenodeWebHdfsMethods.java:626)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:606)
>         at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
>         at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)
>         at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
>         at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:288)
>         at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
>         at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
>         at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
>         at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
> {code}



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