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From "Yongjun Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6776) distcp from insecure cluster (source) to secure cluster (destination) doesn't work via webhdfs
Date Mon, 08 Sep 2014 18:27:30 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14125871#comment-14125871
] 

Yongjun Zhang commented on HDFS-6776:
-------------------------------------

Hello [~wheat9],

Just want to clarify, I have already implemented [~daryn]'s suggestion in rev 011. Rev 011
also included the message parsing. What you are suggesting is, to take out the message parsing
part. Would you please quickly confirm?

I can certainly do that.  But just to reiterate, with what you suggested, in order to see
the fix work, user need to upgrade both source and destination cluster with this fix, which
could be quite a pain on user side.

Thanks.


> distcp from insecure cluster (source) to secure cluster (destination) doesn't work via
webhdfs
> ----------------------------------------------------------------------------------------------
>
>                 Key: HDFS-6776
>                 URL: https://issues.apache.org/jira/browse/HDFS-6776
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.3.0, 2.5.0
>            Reporter: Yongjun Zhang
>            Assignee: Yongjun Zhang
>         Attachments: HDFS-6776.001.patch, HDFS-6776.002.patch, HDFS-6776.003.patch, HDFS-6776.004.patch,
HDFS-6776.004.patch, HDFS-6776.005.patch, HDFS-6776.006.NullToken.patch, HDFS-6776.006.NullToken.patch,
HDFS-6776.007.patch, HDFS-6776.008.patch, HDFS-6776.009.patch, HDFS-6776.010.patch, HDFS-6776.011.patch,
dummy-token-proxy.js
>
>
> Issuing distcp command at the secure cluster side, trying to copy stuff from insecure
cluster to secure cluster, and see the following problem:
> {code}
> hadoopuser@yjc5u-1 ~]$ hadoop distcp webhdfs://<insure-cluster>:<port>/tmp
hdfs://<sure-cluster>:8020/tmp/tmptgt
> 14/07/30 20:06:19 INFO tools.DistCp: Input Options: DistCpOptions{atomicCommit=false,
syncFolder=false, deleteMissing=false, ignoreFailures=false, maxMaps=20, sslConfigurationFile='null',
copyStrategy='uniformsize', sourceFileListing=null, sourcePaths=[webhdfs://<insecure-cluster>:<port>/tmp],
targetPath=hdfs://<secure-cluster>:8020/tmp/tmptgt, targetPathExists=true}
> 14/07/30 20:06:19 INFO client.RMProxy: Connecting to ResourceManager at <secure-clister>:8032
> 14/07/30 20:06:20 WARN ssl.FileBasedKeyStoresFactory: The property 'ssl.client.truststore.location'
has not been set, no TrustStore will be loaded
> 14/07/30 20:06:20 WARN security.UserGroupInformation: PriviledgedActionException as:hadoopuser@xyz.COM
(auth:KERBEROS) cause:java.io.IOException: Failed to get the token for hadoopuser, user=hadoopuser
> 14/07/30 20:06:20 WARN security.UserGroupInformation: PriviledgedActionException as:hadoopuser@xyz.COM
(auth:KERBEROS) cause:java.io.IOException: Failed to get the token for hadoopuser, user=hadoopuser
> 14/07/30 20:06:20 ERROR tools.DistCp: Exception encountered 
> java.io.IOException: Failed to get the token for hadoopuser, user=hadoopuser
> 	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:95)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.toIOException(WebHdfsFileSystem.java:365)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.access$600(WebHdfsFileSystem.java:84)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.shouldRetry(WebHdfsFileSystem.java:618)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.runWithRetry(WebHdfsFileSystem.java:584)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.access$100(WebHdfsFileSystem.java:438)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner$1.run(WebHdfsFileSystem.java:466)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1554)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.run(WebHdfsFileSystem.java:462)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getDelegationToken(WebHdfsFileSystem.java:1132)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getDelegationToken(WebHdfsFileSystem.java:218)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getAuthParameters(WebHdfsFileSystem.java:403)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.toUrl(WebHdfsFileSystem.java:424)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractFsPathRunner.getUrl(WebHdfsFileSystem.java:640)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.runWithRetry(WebHdfsFileSystem.java:565)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.access$100(WebHdfsFileSystem.java:438)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner$1.run(WebHdfsFileSystem.java:466)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1554)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.run(WebHdfsFileSystem.java:462)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getHdfsFileStatus(WebHdfsFileSystem.java:781)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getFileStatus(WebHdfsFileSystem.java:796)
> 	at org.apache.hadoop.fs.Globber.getFileStatus(Globber.java:57)
> 	at org.apache.hadoop.fs.Globber.glob(Globber.java:248)
> 	at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:1623)
> 	at org.apache.hadoop.tools.GlobbedCopyListing.doBuildListing(GlobbedCopyListing.java:77)
> 	at org.apache.hadoop.tools.CopyListing.buildListing(CopyListing.java:81)
> 	at org.apache.hadoop.tools.DistCp.createInputFileListing(DistCp.java:342)
> 	at org.apache.hadoop.tools.DistCp.execute(DistCp.java:154)
> 	at org.apache.hadoop.tools.DistCp.run(DistCp.java:121)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> 	at org.apache.hadoop.tools.DistCp.main(DistCp.java:390)
> Caused by: org.apache.hadoop.ipc.RemoteException(java.io.IOException): Failed to get
the token for hadoopuser, user=hadoopuser
> 	at org.apache.hadoop.hdfs.web.JsonUtil.toRemoteException(JsonUtil.java:159)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.validateResponse(WebHdfsFileSystem.java:334)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.access$200(WebHdfsFileSystem.java:84)
> 	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.runWithRetry(WebHdfsFileSystem.java:570)
> 	... 30 more
> [hadoopuser@yjc5u-1 ~]$ 
> {code}



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