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Posted to issues@nifi.apache.org by "Pierre Villard (JIRA)" <ji...@apache.org> on 2017/09/05 20:24:00 UTC

[jira] [Created] (NIFI-4350) Remove relogin period parameter from Hadoop processors

Pierre Villard created NIFI-4350:
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             Summary: Remove relogin period parameter from Hadoop processors
                 Key: NIFI-4350
                 URL: https://issues.apache.org/jira/browse/NIFI-4350
             Project: Apache NiFi
          Issue Type: Bug
          Components: Extensions
            Reporter: Pierre Villard


Right now, in Hadoop processors, there is a re-login period parameter that will define when the Kerberos ticket must be renewed by the processor. This re-login method will not take into account the lifetime of the generated ticket as the Hadoop library does (when requiring a new ticket, one will be actually generated only after 80% of the current ticket lifetime).

With the current situation, in very specific sets of parameters for relogin period, ticket lifetime and processor scheduling, we can be in a situation where we try to execute the code without actually renewing the ticket. The re-login parameter / code should be removed to rely on the one provided by the underlying Hadoop library. 

Workaround is to lower the re-login period parameter.




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