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Posted to common-dev@hadoop.apache.org by "Mahadev konar (JIRA)" <ji...@apache.org> on 2008/03/06 22:58:58 UTC
[jira] Commented: (HADOOP-2942) Unit test fails on Windows:
org.apache.hadoop.dfs.TestDFSShell.testErrOutPut
[ https://issues.apache.org/jira/browse/HADOOP-2942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12575908#action_12575908 ]
Mahadev konar commented on HADOOP-2942:
---------------------------------------
i ran the tests on windows, it seems to pass.
> Unit test fails on Windows: org.apache.hadoop.dfs.TestDFSShell.testErrOutPut
> ----------------------------------------------------------------------------
>
> Key: HADOOP-2942
> URL: https://issues.apache.org/jira/browse/HADOOP-2942
> 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
>
>
> Unit test fails on Windows: org.apache.hadoop.dfs.TestDFSShell.testErrOutPut
> *Here are the changes:*
> - HADOOP-2931. IOException thrown by DFSOutputStream had wrong stack trace in some cases. (Michael Bieniosek via rangadi) (detail/ViewSVN)
> - HADOOP-2758. Reduce buffer copies in DataNode when data is read from HDFS, without negatively affecting read throughput. (rangadi) (detail/ViewSVN)
> - move previous change log to the end of the section rather than the beginning (detail/ViewSVN)
> - HADOOP-2833. Do not use "Dr. Who" as the default user in JobClient. A valid user name is required. (Tsz Wo (Nicholas), SZE via rangadi) (detail/ViewSVN)
> - HADOOP-2809. Fix HOD syslog config syslog-address so that it works. Contributed by Hemanth Yamijala. (detail/ViewSVN)
> - HADOOP-2847. Ensure idle cluster cleanup works even if the JobTracker becomes unresponsive to RPC calls. Contributed by Hemanth Yamijala. (detail/ViewSVN)
> - HADOOP-2819. The following methods in JobConf are removed: getInputKeyClass() setInputKeyClass getInputValueClass() setInputValueClass(Class theClass) setSpeculativeExecution getSpeculativeExecution(). Contributed by Amareshwari Sri Ramadasu. (detail/ViewSVN)
> - HADOOP-2820. The following classes in streaming are removed : StreamLineRecordReader StreamOutputFormat StreamSequenceRecordReader. Contributed by Amareshwari Sri Ramadasu. (detail/ViewSVN)
> - HADOOP-2219. A new command "df -count" that counts the number of files and directories. (Tsz Wo (Nicholas), SZE via dhruba) (detail/ViewSVN)
> - HADOOP-2912. MiniDFSCluster restart should wait for namenode to exit safemode. This was causing TestFsck to fail. (Mahadev Konar via dhruba) (detail/ViewSVN)
> *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:130)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:177)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:163)
> at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:866)
> 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:329)
> 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:4183)
> at org.apache.hadoop.dfs.FSNamesystem.initialize(FSNamesystem.java:290)
> at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:252)
> at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:132)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:177)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:163)
> at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:866)
> 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:329)
> 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:130)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:177)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:163)
> at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:866)
> 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:415)
> 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:130)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:177)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:163)
> at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:866)
> 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:460)
> 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:130)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:177)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:163)
> at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:866)
> 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:557)
> 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:130)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:177)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:163)
> at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:866)
> 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:671)
> 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': File /nonExistentFile does not exist.
> chown: could not get status for 'unknownFile': File unknownFile 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:130)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:177)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:163)
> at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:866)
> 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:717)
> 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: File /test/mkdirs/myFile1 does not exist.
> 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:130)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:177)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:163)
> at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:866)
> 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:959)
> 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_3985910936379526606:of:/test/get/testGet.txt at 0
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