Jeff Storck created HADOOP-14699:
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Summary: Impersonation errors with UGI after second principal
relogin
Key: HADOOP-14699
URL: https://issues.apache.org/jira/browse/HADOOP-14699
Project: Hadoop Common
Issue Type: Bug
Components: common
Affects Versions: 2.8.1, 2.7.3, 2.6.2
Reporter: Jeff Storck
Multiple principals that are logged in using UGI instances that are
instantiated from a UGI class loaded by the same classloader will encounter
problems when the second principal attempts to relogin. An impersonation will
occur and the operation attempted by the second principal after relogging in
will fail.
I have created a GitHub project that exhibits the impersonation error with
brief instructions on how to set up for the test and run it:
https://github.com/jtstorck/kerberos-examples/tree/master/hadoop/ugi-test
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