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https://issues.apache.org/jira/browse/AMBARI-6197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14036441#comment-14036441
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Yusaku Sako commented on AMBARI-6197:
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+1 for the patch.
> Decommissioned running DataNode has "delete" menu item in action pulldown
> -------------------------------------------------------------------------
>
> Key: AMBARI-6197
> URL: https://issues.apache.org/jira/browse/AMBARI-6197
> Project: Ambari
> Issue Type: Bug
> Components: client
> Affects Versions: 1.6.1
> Reporter: Jaimin D Jetly
> Assignee: Jaimin D Jetly
> Fix For: 1.6.1
>
> Attachments: AMBARI-6197.patch
>
>
> Delete operation is not allowed for a hostComponent if it is in STARTED state.
> Currently delete menu item is shown when a hostComponent is flagged
> decommissioned and in STARTED state. Performing delete operation in this
> condition returns API 500 server error. If the hostComponent is brought in
> INSTALLED state with the decommissioned flag and then delete operation is
> performed then it happens as expected
> Delete menu item should be shown When hostComponent is in INSTALLED state and
> should be grayed when it is in STARTED state. ambari-web client should not
> consider decommission status of a hostComponent while validating the required
> condition to enable/disable "delete" menu item.
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