[ 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) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira