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https://issues.apache.org/jira/browse/AMBARI-14490?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt resolved AMBARI-14490.
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Resolution: Duplicate
> Adding a service fails due to ResourceAlreadyExistsException
> ------------------------------------------------------------
>
> Key: AMBARI-14490
> URL: https://issues.apache.org/jira/browse/AMBARI-14490
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: trunk
> Reporter: bhuvnesh chaudhary
> Attachments: exception snapshot.png
>
>
> Adding a service fails due to ResourceAlreadyExistsException. Attempted to
> create host_component's which already exist.
> In this particular case, while attempting to add Hbase, on an existing HDFS
> cluster. The request to create Datanode host component which are already
> available was sent leading to the failure. During add service only the
> request to add the required host component should be sent.
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