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https://issues.apache.org/jira/browse/NIFI-2598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15426820#comment-15426820
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Matt Burgess commented on NIFI-2598:
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This is a result of the Kerberos properties being added by the init() method,
which gets called by the DocGenerator (among other things). As a result, those
properties are added multiple times, and in the case of the DocGenerator, it
uses a MockProcessContext which doesn't have valid values for
nifi.kerberos.krb5.file, etc.
Proposed solution is to move the static init code into the init() method,
guarded by an initialization flag.
> HiveConnectionPool cannot get to valid state
> --------------------------------------------
>
> Key: NIFI-2598
> URL: https://issues.apache.org/jira/browse/NIFI-2598
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.0.0
> Reporter: Matt Burgess
> Assignee: Matt Burgess
> Fix For: 1.0.0
>
>
> When creating a HiveConnectionPool, even if all properties are configured
> correctly, the controller service is marked as "invalid" with a message that
> the nifi.kerberos.krb5.file property is not set.
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