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https://issues.apache.org/jira/browse/HDFS-6081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
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.
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