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From "amith (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-3285) Null pointer execption at ClientNamenodeProtocolTranslatorPB while running fetchdt
Date Wed, 18 Apr 2012 01:35:13 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3285?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

amith resolved HDFS-3285.
-------------------------

    Resolution: Duplicate
    
> Null pointer execption at ClientNamenodeProtocolTranslatorPB while running fetchdt 
> -----------------------------------------------------------------------------------
>
>                 Key: HDFS-3285
>                 URL: https://issues.apache.org/jira/browse/HDFS-3285
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 2.0.0
>            Reporter: Brahma Reddy Battula
>            Priority: Minor
>             Fix For: 2.0.0, 3.0.0
>
>
> Scenario:
> ============
> Run following command
> ./hdfs fetchdt http://******:50070 then I am getting following nullpointer execption
> {noformat}
> Exception in thread "main" java.lang.NullPointerException
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getDelegationToken(ClientNamenodeProtocolTranslatorPB.java:771)
> 	at org.apache.hadoop.hdfs.DFSClient.getDelegationToken(DFSClient.java:650)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.getDelegationToken(DistributedFileSystem.java:766)
> 	at org.apache.hadoop.hdfs.tools.DelegationTokenFetcher$1.run(DelegationTokenFetcher.java:191)
> 	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:1205)
> 	at org.apache.hadoop.hdfs.tools.DelegationTokenFetcher.main(DelegationTokenFetcher.java:144)
> {noformat}

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