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https://issues.apache.org/jira/browse/NIFI-12467?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt Burgess reassigned NIFI-12467:
-----------------------------------

    Assignee: Matt Burgess

> HadoopDBCPConnectionPool doesn't use KerberosUserService
> --------------------------------------------------------
>
>                 Key: NIFI-12467
>                 URL: https://issues.apache.org/jira/browse/NIFI-12467
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Extensions
>            Reporter: Matt Burgess
>            Assignee: Matt Burgess
>            Priority: Major
>             Fix For: 1.25.0, 2.0.0
>
>
> NIFI-8978 added some KerberosUserService integration with the 
> DBCPConnectionPool implementations, but for HadoopDBCPConnectionPool its 
> values are only used during customValidate(). They are not read in 
> onEnabled() and will fail when authenticating.
> The workaround is to use the Principal and Keytab/Password properties or a 
> Keytab Credentials Service instead of a KerberosUserService.



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