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https://issues.apache.org/jira/browse/AMBARI-11744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Siddharth Wagle updated AMBARI-11744:
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Attachment: jstack-20150518.txt
Jstack output with the threads waiting on read locks while withholding write
locks on competing resources.
> Ambari Server deadlocks when adding service / adding host
> ---------------------------------------------------------
>
> Key: AMBARI-11744
> URL: https://issues.apache.org/jira/browse/AMBARI-11744
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.0.1
> Reporter: Siddharth Wagle
> Assignee: Siddharth Wagle
> Fix For: 2.1.0
>
> Attachments: jstack-20150518.txt
>
>
> This was observed while adding Ganglia to an existing cluster via Add
> Services Wizard.
> It hung after clicking Deploy at task 2 / 6.
> Browser tools showed that it was doing a PUT and this call timed out after 3
> mins.
> All subsequent API calls hung. Ambari Server was not responsive at all to any
> API calls after that.
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