[jira] [Assigned] (NIFI-8016) Hive connection pool dynamic properties cannot be used

["Matt Burgess (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-8016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Burgess reassigned NIFI-8016:
----------------------------------

    Assignee: Matt Burgess

> Hive connection pool dynamic properties cannot be used
> ------------------------------------------------------
>
>                 Key: NIFI-8016
>                 URL: https://issues.apache.org/jira/browse/NIFI-8016
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Extensions
>            Reporter: Matt Burgess
>            Assignee: Matt Burgess
>            Priority: Major
>
> There is code in all versions of HiveConnectionPool to retrieve all dynamic (aka user-defined) properties and set them as key/value pairs on the Hive configuration. However there are two issues with this:
> 1) There is no getSupportedDynamicPropertyDescriptor() method defined, so adding a dynamic property to the controller service renders it invalid. There should be unit test(s) that exercise this, but there are not.
> 2) This behavior is inconsistent with DBCPConnectionPool, which uses dynamic properties to set properties on the DataSource that aren't available as explicit properties on the controller service (see https://commons.apache.org/proper/commons-dbcp/configuration.html for the list of available properties)
> It seems more useful and consistent to have the dynamic properties act the same way as they do in DBCPConnectionPool. Adding properties to the Hive config can be done in the config file itself, or pointing at an additional configuration file containing the desired Hive properties. Since this feature can't currently be used anyway, we can change the behavior without user impact.
> This should include adding documentation to the controller service explaining what the dynamic properties do. 



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