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From "Rakesh R (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-8642) Improve TestFileTruncate#setup by deleting the snapshots
Date Mon, 22 Jun 2015 06:58:00 GMT
Rakesh R created HDFS-8642:
------------------------------

             Summary: Improve TestFileTruncate#setup by deleting the snapshots
                 Key: HDFS-8642
                 URL: https://issues.apache.org/jira/browse/HDFS-8642
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Rakesh R
            Assignee: Rakesh R
            Priority: Minor


I've observed {{TestFileTruncate#setup()}} function has to be improved by making it more independent.
Presently if any of the snapshots related test failures will affect all the subsequent unit
test cases. One such error has been observed in the [Hadoop-Hdfs-trunk-2163|https://builds.apache.org/job/Hadoop-Hdfs-trunk/2163/testReport/junit/org.apache.hadoop.hdfs.server.namenode/TestFileTruncate/testTruncateWithDataNodesRestart]

{code}
https://builds.apache.org/job/Hadoop-Hdfs-trunk/2163/testReport/junit/org.apache.hadoop.hdfs.server.namenode/TestFileTruncate/testTruncateWithDataNodesRestart/

org.apache.hadoop.ipc.RemoteException: The directory /test cannot be deleted since /test is
snapshottable and already has snapshots
	at org.apache.hadoop.hdfs.server.namenode.FSDirSnapshotOp.checkSnapshot(FSDirSnapshotOp.java:226)
	at org.apache.hadoop.hdfs.server.namenode.FSDirDeleteOp.delete(FSDirDeleteOp.java:54)
	at org.apache.hadoop.hdfs.server.namenode.FSDirDeleteOp.deleteInternal(FSDirDeleteOp.java:177)
	at org.apache.hadoop.hdfs.server.namenode.FSDirDeleteOp.delete(FSDirDeleteOp.java:104)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.delete(FSNamesystem.java:3046)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.delete(NameNodeRpcServer.java:939)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.delete(ClientNamenodeProtocolServerSideTranslatorPB.java:608)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:976)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2172)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2168)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1666)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2166)

	at org.apache.hadoop.ipc.Client.call(Client.java:1440)
	at org.apache.hadoop.ipc.Client.call(Client.java:1371)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy22.delete(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.delete(ClientNamenodeProtocolTranslatorPB.java:540)
	at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy23.delete(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.delete(DFSClient.java:1711)
	at org.apache.hadoop.hdfs.DistributedFileSystem$14.doCall(DistributedFileSystem.java:718)
	at org.apache.hadoop.hdfs.DistributedFileSystem$14.doCall(DistributedFileSystem.java:714)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.delete(DistributedFileSystem.java:714)
	at org.apache.hadoop.hdfs.server.namenode.TestFileTruncate.setup(TestFileTruncate.java:119)
{code}



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