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Ted Yu resolved HDFS-6081. -------------------------- Resolution: Cannot Reproduce > TestRetryCacheWithHA#testCreateSymlink occasionally fails in trunk > ------------------------------------------------------------------ > > Key: HDFS-6081 > URL: https://issues.apache.org/jira/browse/HDFS-6081 > Project: Hadoop HDFS > Issue Type: Test > Reporter: Ted Yu > > From > https://builds.apache.org/job/Hadoop-Hdfs-trunk/1696/testReport/junit/org.apache.hadoop.hdfs.server.namenode.ha/TestRetryCacheWithHA/testCreateSymlink/ > : > {code} > 2014-03-09 13:18:47,515 WARN security.UserGroupInformation > (UserGroupInformation.java:doAs(1600)) - PriviledgedActionException > as:jenkins (auth:SIMPLE) cause:java.io.IOException: failed to create link > /testlink either because the filename is invalid or the file exists > 2014-03-09 13:18:47,515 INFO ipc.Server (Server.java:run(2093)) - IPC Server > handler 0 on 39303, call > org.apache.hadoop.hdfs.protocol.ClientProtocol.createSymlink from > 127.0.0.1:32909 Call#682 Retry#1: error: java.io.IOException: failed to > create link /testlink either because the filename is invalid or the file > exists > java.io.IOException: failed to create link /testlink either because the > filename is invalid or the file exists > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.createSymlinkInt(FSNamesystem.java:2053) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.createSymlink(FSNamesystem.java:2023) > at > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.createSymlink(NameNodeRpcServer.java:965) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.createSymlink(ClientNamenodeProtocolServerSideTranslatorPB.java:844) > at > org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:605) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:932) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2071) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2067) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:396) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1597) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2065) > 2014-03-09 13:18:47,522 INFO blockmanagement.BlockManager > (BlockManager.java:processMisReplicatesAsync(2475)) - Total number of blocks > = 1 > 2014-03-09 13:18:47,523 INFO blockmanagement.BlockManager > (BlockManager.java:processMisReplicatesAsync(2476)) - Number of invalid > blocks = 0 > 2014-03-09 13:18:47,523 INFO blockmanagement.BlockManager > (BlockManager.java:processMisReplicatesAsync(2477)) - Number of > under-replicated blocks = 0 > 2014-03-09 13:18:47,523 INFO ha.TestRetryCacheWithHA > (TestRetryCacheWithHA.java:run(1162)) - Got Exception while calling > createSymlink > org.apache.hadoop.ipc.RemoteException(java.io.IOException): failed to create > link /testlink either because the filename is invalid or the file exists > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.createSymlinkInt(FSNamesystem.java:2053) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.createSymlink(FSNamesystem.java:2023) > at > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.createSymlink(NameNodeRpcServer.java:965) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.createSymlink(ClientNamenodeProtocolServerSideTranslatorPB.java:844) > at > org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:605) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:932) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2071) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2067) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:396) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1597) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2065) > at org.apache.hadoop.ipc.Client.call(Client.java:1409) > at org.apache.hadoop.ipc.Client.call(Client.java:1362) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206) > at $Proxy17.createSymlink(Unknown Source) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.createSymlink(ClientNamenodeProtocolTranslatorPB.java:794) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:189) > at > org.apache.hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA$DummyRetryInvocationHandler.invokeMethod(TestRetryCacheWithHA.java:114) > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102) > at $Proxy18.createSymlink(Unknown Source) > at org.apache.hadoop.hdfs.DFSClient.createSymlink(DFSClient.java:1507) > at > org.apache.hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA$CreateSymlinkOp.invoke(TestRetryCacheWithHA.java:658) > at > org.apache.hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA$1.run(TestRetryCacheWithHA.java:1154) > {code} > In a successful run, I don't see the above error. -- This message was sent by Atlassian JIRA (v6.3.4#6332)