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From "Ravi Prakash (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-3558) OfflineImageViewer throws an NPE
Date Tue, 10 Jul 2012 18:32:35 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3558?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ravi Prakash resolved HDFS-3558.
--------------------------------

          Resolution: Duplicate
       Fix Version/s: 0.23.3
    Target Version/s: 0.23.3
    
> OfflineImageViewer throws an NPE
> --------------------------------
>
>                 Key: HDFS-3558
>                 URL: https://issues.apache.org/jira/browse/HDFS-3558
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.23.3
>            Reporter: Ravi Prakash
>            Assignee: Ravi Prakash
>             Fix For: 0.23.3
>
>         Attachments: HDFS-3558.branch-23.patch
>
>
> Courtesy [~mithun]
> Exception in thread "main" java.lang.NullPointerException
> 	at org.apache.hadoop.security.authentication.util.KerberosName.getShortName(KerberosName.java:371)
> 	at org.apache.hadoop.security.User.<init>(User.java:48)
> 	at org.apache.hadoop.security.User.<init>(User.java:43)
> 	at org.apache.hadoop.security.UserGroupInformation.createRemoteUser(UserGroupInformation.java:857)
> 	at org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier.getUser(AbstractDelegationTokenIdentifier.java:91)
> 	at org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier.toString(DelegationTokenIdentifier.java:61)
> 	at org.apache.hadoop.hdfs.tools.offlineImageViewer.ImageLoaderCurrent.processDelegationTokens(ImageLoaderCurrent.java:222)
> 	at org.apache.hadoop.hdfs.tools.offlineImageViewer.ImageLoaderCurrent.loadImage(ImageLoaderCurrent.java:185)
> 	at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewer.go(OfflineImageViewer.java:129)
> 	at org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewer.main(OfflineImageViewer.java:250)

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