Null pointer execption at ClientNamenodeProtocolTranslatorPB while running
fetchdt
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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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