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From "Umesh K (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-12741) UserGroupInformation.loginUserFromKeytab() creates background thread which is not getting killed even after application exited
Date Tue, 26 Jan 2016 18:09:39 GMT
Umesh K created HADOOP-12741:
--------------------------------

             Summary: UserGroupInformation.loginUserFromKeytab() creates background thread
which is not getting killed even after application exited
                 Key: HADOOP-12741
                 URL: https://issues.apache.org/jira/browse/HADOOP-12741
             Project: Hadoop Common
          Issue Type: New Feature
          Components: security
    Affects Versions: 2.6.3
            Reporter: Umesh K


Hi UserGroupInformation.loginUserFromKeytab() method creates one background thread for keytab
refresh after every 10 hours I guess. One of my application is using UserGroupInformation.loginUserFromKeytab()
but at the end of my application the background thread created by it does not get killed it
keeps on running. How do I kill/stop thead started by UserGroupInformation.loginUserFromKeytab()?
Please guide or please provide method inside UserGroupInformation so that we can kill it or
stop it. Thanks in advance. 



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