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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-3237) Unit test failed on windows: TestDFSShell.testErrOutPut
Date Thu, 17 Apr 2008 22:41:21 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-3237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

dhruba borthakur updated HADOOP-3237:
-------------------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

I just committed this. Thanks Mahadev!

> Unit test failed on windows: TestDFSShell.testErrOutPut
> -------------------------------------------------------
>
>                 Key: HADOOP-3237
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3237
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.17.0
>         Environment: windows
>            Reporter: Mukund Madhugiri
>            Assignee: Mahadev konar
>            Priority: Blocker
>             Fix For: 0.17.0
>
>         Attachments: HADOOP-3237_1.patch
>
>
> Unit test failed on windows: TestDFSShell.testErrOutPut
> Standard Error
> javax.management.InstanceAlreadyExistsException: hadoop.dfs:service=NameNode,name=NameNodeStatistics
> 	at com.sun.jmx.mbeanserver.RepositorySupport.addMBean(RepositorySupport.java:452)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.internal_addObject(DefaultMBeanServerInterceptor.java:1410)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:936)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:337)
> 	at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:497)
> 	at org.apache.hadoop.metrics.util.MBeanUtil.registerMBean(MBeanUtil.java:52)
> 	at org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics.<init>(NameNodeStatistics.java:40)
> 	at org.apache.hadoop.dfs.NameNodeMetrics.<init>(NameNodeMetrics.java:69)
> 	at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:131)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:178)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:164)
> 	at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:852)
> 	at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:264)
> 	at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:113)
> 	at org.apache.hadoop.dfs.TestDFSShell.testURIPaths(TestDFSShell.java:386)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:585)
> 	at junit.framework.TestCase.runTest(TestCase.java:154)
> 	at junit.framework.TestCase.runBare(TestCase.java:127)
> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
> 	at junit.framework.TestResult.run(TestResult.java:109)
> 	at junit.framework.TestCase.run(TestCase.java:118)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:297)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:672)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:567)
> javax.management.InstanceAlreadyExistsException: hadoop.dfs:service=NameNode,name=FSNamesystemStatus
> 	at com.sun.jmx.mbeanserver.RepositorySupport.addMBean(RepositorySupport.java:452)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.internal_addObject(DefaultMBeanServerInterceptor.java:1410)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:936)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:337)
> 	at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:497)
> 	at org.apache.hadoop.metrics.util.MBeanUtil.registerMBean(MBeanUtil.java:52)
> 	at org.apache.hadoop.dfs.FSNamesystem.registerMBean(FSNamesystem.java:4257)
> 	at org.apache.hadoop.dfs.FSNamesystem.initialize(FSNamesystem.java:293)
> 	at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:255)
> 	at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:133)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:178)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:164)
> 	at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:852)
> 	at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:264)
> 	at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:113)
> 	at org.apache.hadoop.dfs.TestDFSShell.testURIPaths(TestDFSShell.java:386)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:585)
> 	at junit.framework.TestCase.runTest(TestCase.java:154)
> 	at junit.framework.TestCase.runBare(TestCase.java:127)
> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
> 	at junit.framework.TestResult.run(TestResult.java:109)
> 	at junit.framework.TestCase.run(TestCase.java:118)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:297)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:672)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:567)
> javax.management.InstanceAlreadyExistsException: hadoop.dfs:service=NameNode,name=NameNodeStatistics
> 	at com.sun.jmx.mbeanserver.RepositorySupport.addMBean(RepositorySupport.java:452)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.internal_addObject(DefaultMBeanServerInterceptor.java:1410)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:936)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:337)
> 	at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:497)
> 	at org.apache.hadoop.metrics.util.MBeanUtil.registerMBean(MBeanUtil.java:52)
> 	at org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics.<init>(NameNodeStatistics.java:40)
> 	at org.apache.hadoop.dfs.NameNodeMetrics.<init>(NameNodeMetrics.java:69)
> 	at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:131)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:178)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:164)
> 	at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:852)
> 	at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:264)
> 	at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:113)
> 	at org.apache.hadoop.dfs.TestDFSShell.testText(TestDFSShell.java:472)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:585)
> 	at junit.framework.TestCase.runTest(TestCase.java:154)
> 	at junit.framework.TestCase.runBare(TestCase.java:127)
> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
> 	at junit.framework.TestResult.run(TestResult.java:109)
> 	at junit.framework.TestCase.run(TestCase.java:118)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:297)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:672)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:567)
> text: File /texttest/file.gz does not exist.
> javax.management.InstanceAlreadyExistsException: hadoop.dfs:service=NameNode,name=NameNodeStatistics
> 	at com.sun.jmx.mbeanserver.RepositorySupport.addMBean(RepositorySupport.java:452)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.internal_addObject(DefaultMBeanServerInterceptor.java:1410)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:936)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:337)
> 	at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:497)
> 	at org.apache.hadoop.metrics.util.MBeanUtil.registerMBean(MBeanUtil.java:52)
> 	at org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics.<init>(NameNodeStatistics.java:40)
> 	at org.apache.hadoop.dfs.NameNodeMetrics.<init>(NameNodeMetrics.java:69)
> 	at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:131)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:178)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:164)
> 	at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:852)
> 	at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:264)
> 	at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:113)
> 	at org.apache.hadoop.dfs.TestDFSShell.testCopyToLocal(TestDFSShell.java:517)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:585)
> 	at junit.framework.TestCase.runTest(TestCase.java:154)
> 	at junit.framework.TestCase.runBare(TestCase.java:127)
> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
> 	at junit.framework.TestResult.run(TestResult.java:109)
> 	at junit.framework.TestCase.run(TestCase.java:118)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:297)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:672)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:567)
> copyToLocal: null
> javax.management.InstanceAlreadyExistsException: hadoop.dfs:service=NameNode,name=NameNodeStatistics
> 	at com.sun.jmx.mbeanserver.RepositorySupport.addMBean(RepositorySupport.java:452)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.internal_addObject(DefaultMBeanServerInterceptor.java:1410)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:936)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:337)
> 	at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:497)
> 	at org.apache.hadoop.metrics.util.MBeanUtil.registerMBean(MBeanUtil.java:52)
> 	at org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics.<init>(NameNodeStatistics.java:40)
> 	at org.apache.hadoop.dfs.NameNodeMetrics.<init>(NameNodeMetrics.java:69)
> 	at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:131)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:178)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:164)
> 	at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:852)
> 	at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:264)
> 	at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:113)
> 	at org.apache.hadoop.dfs.TestDFSShell.testCount(TestDFSShell.java:614)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:585)
> 	at junit.framework.TestCase.runTest(TestCase.java:154)
> 	at junit.framework.TestCase.runBare(TestCase.java:127)
> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
> 	at junit.framework.TestResult.run(TestResult.java:109)
> 	at junit.framework.TestCase.run(TestCase.java:118)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:297)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:672)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:567)
> javax.management.InstanceAlreadyExistsException: hadoop.dfs:service=NameNode,name=NameNodeStatistics
> 	at com.sun.jmx.mbeanserver.RepositorySupport.addMBean(RepositorySupport.java:452)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.internal_addObject(DefaultMBeanServerInterceptor.java:1410)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:936)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:337)
> 	at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:497)
> 	at org.apache.hadoop.metrics.util.MBeanUtil.registerMBean(MBeanUtil.java:52)
> 	at org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics.<init>(NameNodeStatistics.java:40)
> 	at org.apache.hadoop.dfs.NameNodeMetrics.<init>(NameNodeMetrics.java:69)
> 	at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:131)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:178)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:164)
> 	at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:852)
> 	at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:264)
> 	at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:113)
> 	at org.apache.hadoop.dfs.TestDFSShell.testFilePermissions(TestDFSShell.java:728)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:585)
> 	at junit.framework.TestCase.runTest(TestCase.java:154)
> 	at junit.framework.TestCase.runBare(TestCase.java:127)
> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
> 	at junit.framework.TestResult.run(TestResult.java:109)
> 	at junit.framework.TestCase.run(TestCase.java:118)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:297)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:672)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:567)
> chown: could not get status for '/nonExistentFile': java.io.FileNotFoundException: File
does not exist: /nonExistentFile
> chown: could not get status for 'unknownFile': java.io.FileNotFoundException: File does
not exist: /user/hadoopqa/unknownFile
> javax.management.InstanceAlreadyExistsException: hadoop.dfs:service=NameNode,name=NameNodeStatistics
> 	at com.sun.jmx.mbeanserver.RepositorySupport.addMBean(RepositorySupport.java:452)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.internal_addObject(DefaultMBeanServerInterceptor.java:1410)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:936)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:337)
> 	at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:497)
> 	at org.apache.hadoop.metrics.util.MBeanUtil.registerMBean(MBeanUtil.java:52)
> 	at org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics.<init>(NameNodeStatistics.java:40)
> 	at org.apache.hadoop.dfs.NameNodeMetrics.<init>(NameNodeMetrics.java:69)
> 	at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:131)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:178)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:164)
> 	at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:852)
> 	at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:264)
> 	at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:113)
> 	at org.apache.hadoop.dfs.TestDFSShell.testDFSShell(TestDFSShell.java:788)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:585)
> 	at junit.framework.TestCase.runTest(TestCase.java:154)
> 	at junit.framework.TestCase.runBare(TestCase.java:127)
> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
> 	at junit.framework.TestResult.run(TestResult.java:109)
> 	at junit.framework.TestCase.run(TestCase.java:118)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:297)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:672)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:567)
> cat: null
> rm: cannot remove /test/mkdirs/myFile1: No such file or directory.
> cp: Cannot copy /test/dir1 to its subdirectory /test/dir1/dir2
> javax.management.InstanceAlreadyExistsException: hadoop.dfs:service=NameNode,name=NameNodeStatistics
> 	at com.sun.jmx.mbeanserver.RepositorySupport.addMBean(RepositorySupport.java:452)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.internal_addObject(DefaultMBeanServerInterceptor.java:1410)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:936)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:337)
> 	at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:497)
> 	at org.apache.hadoop.metrics.util.MBeanUtil.registerMBean(MBeanUtil.java:52)
> 	at org.apache.hadoop.dfs.namenode.metrics.NameNodeStatistics.<init>(NameNodeStatistics.java:40)
> 	at org.apache.hadoop.dfs.NameNodeMetrics.<init>(NameNodeMetrics.java:69)
> 	at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:131)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:178)
> 	at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:164)
> 	at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:852)
> 	at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:264)
> 	at org.apache.hadoop.dfs.MiniDFSCluster.<init>(MiniDFSCluster.java:113)
> 	at org.apache.hadoop.dfs.TestDFSShell.testGet(TestDFSShell.java:1053)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:585)
> 	at junit.framework.TestCase.runTest(TestCase.java:154)
> 	at junit.framework.TestCase.runBare(TestCase.java:127)
> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
> 	at junit.framework.TestResult.run(TestResult.java:109)
> 	at junit.framework.TestCase.run(TestCase.java:118)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:297)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:672)
> 	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:567)
> get: Checksum error: /blk_-1566589498752841793:of:/test/get/testGet.txt at 0

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