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https://issues.apache.org/jira/browse/AMBARI-10125?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15665204#comment-15665204
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Christopher Jackson commented on AMBARI-10125:
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I am seeing this same issue after removing a service who set a value for
'hbase.coprocessor.master.classes'. When the service was removed it properly
removed that configuration value, looking in the Ambari UI under the HBase
service 'hbase.coprocessor.master.classes' was not listed (as expected). But
anytime I go to add another service when I get to the service configurations
step the HBase service is saying 'hbase.coprocessor.master.classes' is required
and is initially blank. I have to put in a space or some other content to get
past the configurations screen to install the service. Seeing this issue on
Ambari 2.2.1.1.
> UI Incorrectly Requires Coprocessor Config Values
> -------------------------------------------------
>
> Key: AMBARI-10125
> URL: https://issues.apache.org/jira/browse/AMBARI-10125
> Project: Ambari
> Issue Type: Bug
> Reporter: William Watson
> Attachments: incorrectly-required-configs.png
>
>
> I am unable to modify our hbase configuration without filling in
> hbase.coprocessor.region.classes and hbase.coprocessor.master.classes, which
> as far as I can tell from the HBase docs are not required configs.
> I don't feel Ambari should require these configuration keys to be set.
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