Ravi Prakash created HADOOP-8504: ------------------------------------ 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) -- 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