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https://reviews.apache.org/r/74080/
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Review request for ranger, Madhan Neethiraj, Ramesh Mani, and Sailaja 
Polavarapu.


Bugs: RANGER-3848
    https://issues.apache.org/jira/browse/RANGER-3848


Repository: ranger


Description
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RangerClient does not seem to auto renew Kerberos ticket after ticket lifetime 
expired.

This prevents applications using RangerClient from making any requests after 
the ticket lifetime (for applications using RangerClient with Kerberos 
principal and keytab).


Diffs
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  agents-audit/src/main/java/org/apache/ranger/audit/provider/MiscUtil.java 
b69e27693 
  intg/src/main/java/org/apache/ranger/RangerClient.java f92116d36 


Diff: https://reviews.apache.org/r/74080/diff/1/


Testing
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Tested using an external client(invoking APIs through RangerClient), 
While testing, below param in /etc/krb5.conf

ticket_lifetime = 20s

was set to enable us to perform the testing.
Also, tested using SampleClient from ranger-examples.


Thanks,

Abhishek  Kumar

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