Ravi Prakash created HADOOP-8504:
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Summary: 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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