[ https://issues.apache.org/jira/browse/HADOOP-7982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13189604#comment-13189604 ]
Hudson commented on HADOOP-7982: -------------------------------- Integrated in Hadoop-Common-0.23-Commit #391 (See [https://builds.apache.org/job/Hadoop-Common-0.23-Commit/391/]) HADOOP-7982. UserGroupInformation fails to login if thread's context classloader can't load HadoopLoginModule. Contributed by Todd Lipcon. todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1233750 Files : * /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/CHANGES.txt * /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java > UserGroupInformation fails to login if thread's context classloader can't > load HadoopLoginModule > ------------------------------------------------------------------------------------------------ > > Key: HADOOP-7982 > URL: https://issues.apache.org/jira/browse/HADOOP-7982 > Project: Hadoop Common > Issue Type: Bug > Components: security > Affects Versions: 0.23.0, 1.0.0 > Reporter: Todd Lipcon > Assignee: Todd Lipcon > Fix For: 0.24.0, 0.23.1, 1.1.0 > > Attachments: hadoop-7982-branch-1.txt, hadoop-7982.txt > > > In a few hard-to-reproduce situations, we've seen a problem where the UGI > login call causes a failure to login exception with the following cause: > Caused by: javax.security.auth.login.LoginException: unable to find > LoginModule class: org.apache.hadoop.security.UserGroupInformation > $HadoopLoginModule > After a bunch of debugging, I determined that this happens when the login > occurs in a thread whose Context ClassLoader has been set to null. -- 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