Ted Yu created HDFS-6081:
----------------------------
Summary: 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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