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https://issues.apache.org/jira/browse/OOZIE-1434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13748557#comment-13748557
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Rohini Palaniswamy commented on OOZIE-1434:
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Command was stuck fetching the blob from workflow jobs table. In this case it
was a big workflow with 80 forked actions.
https://forums.oracle.com/message/9524124#9524124
Haven't found a solution for this yet.
The timeout in openjpa is only for time taken to execute the query. It does not
involve time take to fetch the results. So that cannot be used to fix this
issue.
http://openjpa.208410.n2.nabble.com/Timeout-for-fetching-data-td6954428.html
> Commands not releasing memory lock
> ----------------------------------
>
> Key: OOZIE-1434
> URL: https://issues.apache.org/jira/browse/OOZIE-1434
> Project: Oozie
> Issue Type: Bug
> Reporter: Virag Kothari
> Assignee: Virag Kothari
>
> If the command gets stuck in making a db call during loadState() after
> acquiring the lock, the lock will never be released and the job will be stuck
> forever.
> Need to introduce a timeout for the database call.
> There might be also be an issue with the implementation of MemoryLocks.
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