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From "John Zhuge (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10215) distcp throws vague exception without home directory
Date Mon, 28 Mar 2016 14:11:25 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15214228#comment-15214228
] 

John Zhuge commented on HDFS-10215:
-----------------------------------

Thanks [~steve_l]. Will do.

> distcp throws vague exception without home directory
> ----------------------------------------------------
>
>                 Key: HDFS-10215
>                 URL: https://issues.apache.org/jira/browse/HDFS-10215
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: distcp
>    Affects Versions: 2.6.0
>            Reporter: John Zhuge
>            Assignee: John Zhuge
>            Priority: Minor
>              Labels: supportability
>
> Got this error when running {{hadoop distcp /tmp/d1 /tmp/d2}}:
> {code}
> $ hadoop distcp /tmp/d1 /tmp/d2
> 16/03/25 08:24:41 INFO tools.DistCp: Input Options: DistCpOptions{atomicCommit=false,
syncFolder=false, deleteMissing=false, ignoreFailures=false, maxMaps=20, sslConfigurationFile='null',
copyStrategy='uniformsize', sourceFileListing=null, sourcePaths=[/tmp/d1], targetPath=/tmp/d2,
targetPathExists=true, preserveRawXattrs=false, filtersFile='null'}
> 16/03/25 08:24:41 INFO client.RMProxy: Connecting to ResourceManager at jzhuge-balancer-1.vpc.cloudera.com/172.26.21.70:8032
> 16/03/25 08:24:42 ERROR tools.DistCp: Exception encountered 
> org.apache.hadoop.security.AccessControlException: Permission denied: user=systest, access=WRITE,
inode="/user":hdfs:supergroup:drwxr-xr-x
> 	at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.checkFsPermission(DefaultAuthorizationProvider.java:281)
> 	at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.check(DefaultAuthorizationProvider.java:262)
> 	at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.check(DefaultAuthorizationProvider.java:242)
> 	at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.checkPermission(DefaultAuthorizationProvider.java:169)
> 	at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:152)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:6590)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:6572)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkAncestorAccess(FSNamesystem.java:6524)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirsInternal(FSNamesystem.java:4322)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirsInt(FSNamesystem.java:4292)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:4265)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:867)
> 	at org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.mkdirs(AuthorizationProviderProxyClientProtocol.java:322)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:603)
> 	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617)
> 	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2086)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2082)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1693)
> 	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2080)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> 	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
> 	at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:106)
> 	at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:73)
> 	at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:3084)
> 	at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:3049)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:957)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:953)
> 	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirsInternal(DistributedFileSystem.java:953)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:946)
> 	at org.apache.hadoop.mapreduce.JobSubmissionFiles.getStagingDir(JobSubmissionFiles.java:133)
> 	at org.apache.hadoop.tools.DistCp.createMetaFolderPath(DistCp.java:414)
> 	at org.apache.hadoop.tools.DistCp.execute(DistCp.java:157)
> 	at org.apache.hadoop.tools.DistCp.run(DistCp.java:123)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.tools.DistCp.main(DistCp.java:436)
> Caused by: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.AccessControlException):
Permission denied: user=systest, access=WRITE, inode="/user":hdfs:supergroup:drwxr-xr-x
> 	at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.checkFsPermission(DefaultAuthorizationProvider.java:281)
> 	at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.check(DefaultAuthorizationProvider.java:262)
> 	at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.check(DefaultAuthorizationProvider.java:242)
> 	at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.checkPermission(DefaultAuthorizationProvider.java:169)
> 	at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:152)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:6590)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:6572)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkAncestorAccess(FSNamesystem.java:6524)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirsInternal(FSNamesystem.java:4322)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirsInt(FSNamesystem.java:4292)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:4265)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:867)
> 	at org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.mkdirs(AuthorizationProviderProxyClientProtocol.java:322)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:603)
> 	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617)
> 	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2086)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2082)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1693)
> 	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2080)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1471)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:1408)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)
> 	at com.sun.proxy.$Proxy14.mkdirs(Unknown Source)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.mkdirs(ClientNamenodeProtocolTranslatorPB.java:544)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	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:256)
> 	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:104)
> 	at com.sun.proxy.$Proxy15.mkdirs(Unknown Source)
> 	at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:3082)
> 	... 12 more
> {code}
> The problem went away after I created the home directory.
> Would like an error message over the exception, or at least the exception should mention
the home directory path, which is {{/user/systest}} in this case.



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