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Posted to common-issues@hadoop.apache.org by "Ravi Prakash (JIRA)" <ji...@apache.org> on 2012/06/12 03:54:42 UTC
[jira] [Commented] (HADOOP-8504) OfflineImageViewer throws an NPE
[ https://issues.apache.org/jira/browse/HADOOP-8504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13293271#comment-13293271 ]
Ravi Prakash commented on HADOOP-8504:
--------------------------------------
Might be related to HADOOP-7902, but I haven't checked thoroughly.
> 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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