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From "Brahma Reddy Battula (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3285) Null pointer execption at ClientNamenodeProtocolTranslatorPB while running fetchdt
Date Tue, 17 Apr 2012 13:58:18 GMT
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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