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https://issues.apache.org/jira/browse/NIFI-2836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15553146#comment-15553146
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ASF subversion and git services commented on NIFI-2836:
-------------------------------------------------------

Commit 09568d092b5329e4732f2e05c10fad181c344b8d in nifi's branch 
refs/heads/master from [~markap14]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=09568d0 ]

NIFI-2836:
- Ensure that we wait until a request is completed before unlocking the lock 
for request replication
- Ensure that failures do not trigger request completion logic unless the 
failure is the last node to report its status
- This closes #1109


> Cluster - Request Replication
> -----------------------------
>
>                 Key: NIFI-2836
>                 URL: https://issues.apache.org/jira/browse/NIFI-2836
>             Project: Apache NiFi
>          Issue Type: Sub-task
>          Components: Core Framework
>            Reporter: Matt Gilman
>            Assignee: Mark Payne
>            Priority: Critical
>             Fix For: 1.1.0
>
>
> When a request is replicated throughout the cluster, the cluster coordinator 
> needs to ensure that request completes (including both parts of the two-phase 
> commit if applicable) prior to replicating the next request.
> Looks like a write lock is obtained while submitted a background task. The 
> actually work completes outside the locks scope.



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