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  1. Hadoop Common
  2. HADOOP-9847

TestGlobPath symlink tests fail to cleanup properly

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 2.3.0, 3.0.0-alpha1
    • Fix Version/s: 2.3.0
    • Component/s: None
    • Labels:
      None

      Description

      On our internal trunk Jenkins runs, I've seen failures like the following:

      Error Message:
      Cannot delete /user/jenkins. Name node is in safe mode. Resources are low on NN. Please add or free up more resources then turn off safe mode manually. NOTE:  If you turn off safe mode before adding resources, the NN will immediately return to safe mode. Use "hdfs dfsadmin -safemode leave" to turn safe mode off.  at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.deleteInternal(FSNamesystem.java:3138)  at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.deleteInt(FSNamesystem.java:3097)  at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.delete(FSNamesystem.java:3081)  at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.delete(NameNodeRpcServer.java:671)  at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.delete(ClientNamenodeProtocolServerSideTranslatorPB.java:491)  at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:48087)  at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:605)  at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:932)  at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2031)  at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2027)  at java.security.AccessController.doPrivileged(Native Method)  at javax.security.auth.Subject.doAs(Subject.java:396)  at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1493)  at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2025)
      
      Stack Trace:
      org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.namenode.SafeModeException): Cannot delete /user/jenkins. Name node is in safe mode.
      Resources are low on NN. Please add or free up more resources then turn off safe mode manually. NOTE:  If you turn off safe mode before adding resources, the NN will immediately return to safe mode. Use "hdfs dfsadmin -safemode leave" to turn safe mode off.
              at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.deleteInternal(FSNamesystem.java:3138)
              at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.deleteInt(FSNamesystem.java:3097)
              at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.delete(FSNamesystem.java:3081)
              at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.delete(NameNodeRpcServer.java:671)
              at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.delete(ClientNamenodeProtocolServerSideTranslatorPB.java:491)
              at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:48087)
              at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:605)
              at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:932)
              at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2031)
              at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2027)
              at java.security.AccessController.doPrivileged(Native Method)
              at javax.security.auth.Subject.doAs(Subject.java:396)
              at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1493)
              at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2025)
      
              at org.apache.hadoop.ipc.Client.call(Client.java:1399)
              at org.apache.hadoop.ipc.Client.call(Client.java:1352)
              at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206)
              at $Proxy15.delete(Unknown Source)
              at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
              at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
              at java.lang.reflect.Method.invoke(Method.java:597)
              at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
              at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
              at $Proxy15.delete(Unknown Source)
              at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.delete(ClientNamenodeProtocolTranslatorPB.java:449)
              at org.apache.hadoop.hdfs.DFSClient.delete(DFSClient.java:1575)
              at org.apache.hadoop.hdfs.DistributedFileSystem$11.doCall(DistributedFileSystem.java:585)
              at org.apache.hadoop.hdfs.DistributedFileSystem$11.doCall(DistributedFileSystem.java:581)
              at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
              at org.apache.hadoop.hdfs.DistributedFileSystem.delete(DistributedFileSystem.java:581)
              at org.apache.hadoop.fs.TestGlobPaths.cleanupDFS(TestGlobPaths.java:788)
              at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
              at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
              at java.lang.reflect.Method.invoke(Method.java:597)
              at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
              at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
              at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
              at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:36)
              at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
              at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
              at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
              at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
              at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
              at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
              at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
              at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
              at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
              at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
              at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
              at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
              at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
              at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
              at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
              at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
              at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
              at java.lang.reflect.Method.invoke(Method.java:597)
              at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
              at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
              at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
              at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
              at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
      

      I believe this is because the @After in TestGlobPaths is trying to delete the test dir even though the symlink tests have already shutdown the minicluster.

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              • Assignee:
                cmccabe Colin P. McCabe
                Reporter:
                andrew.wang Andrew Wang
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                Dates

                • Created:
                  Updated:
                  Resolved: