[jira] [Created] (HADOOP-12741) UserGroupInformation.loginUserFromKeytab() creates background thread which is not getting killed even after application exited

[Umesh K (JIRA)]

Umesh K created HADOOP-12741:
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             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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