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https://issues.apache.org/jira/browse/FALCON-1602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15125554#comment-15125554
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Venkat Ramachandran commented on FALCON-1602:
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[~pallavi.rao] Would it make sense to have a watcher on the activemq? If 
activemq goes down, that should be notified so that the service can be fixed. 
Polling oozie until then could be an option to catch up the task completions.

> Recoverability of Falcon Processes when ActiveMQ down for sometime 
> -------------------------------------------------------------------
>
>                 Key: FALCON-1602
>                 URL: https://issues.apache.org/jira/browse/FALCON-1602
>             Project: Falcon
>          Issue Type: Task
>            Reporter: pavan kumar kolamuri
>
> With Falcon Native Scheduler activemq is used for job completion 
> notifications from oozie. When activemq is down for sometime, and oozie fails 
> to send notifications of completion of workflows of process instances even 
> after retries. Then those instances won't mark as completed in Falcon state 
> store. Then for that processes new instances won't be launched assuming old 
> one's still running. There should be some recoverability in these cases.



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