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https://issues.apache.org/jira/browse/AMBARI-2549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13698903#comment-13698903
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Dmitry Lysnichenko commented on AMBARI-2549:
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+1, LGTM
> Ambari UI shows TaskTrackers down even if they are up
> -----------------------------------------------------
>
> Key: AMBARI-2549
> URL: https://issues.apache.org/jira/browse/AMBARI-2549
> Project: Ambari
> Issue Type: Bug
> Components: agent
> Affects Versions: 1.2.5
> Reporter: Oleksandr Diachenko
> Assignee: Oleksandr Diachenko
> Fix For: 1.2.5
>
> Attachments: AMBARI-2549.patch
>
>
> PROBLEM: Ambari UI shows TaskTrackers down even if they are up
> STEPS TO REPRODUCE: Manually start TaskTrackers process as root.
> 2.) Stop the process
> 3.) Start the MapReduce service using Ambari
> ACTUAL BEHAVIOR: Services will start properly however, the Host page will
> show tasktracker down
> EXPECTED BEHAVIOR: TaskTrackers should show up 'green' in the host page
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