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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8504) OfflineImageViewer throws an NPE
Date Tue, 12 Jun 2012 04:21:43 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13293327#comment-13293327
] 

Aaron T. Myers commented on HADOOP-8504:
----------------------------------------

Hey Ravi, can you please set the "affects" and "targets" versions fields appropriately? Thanks
a lot.
                
> OfflineImageViewer throws an NPE
> --------------------------------
>
>                 Key: HADOOP-8504
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8504
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Ravi Prakash
>
> 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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