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https://issues.apache.org/jira/browse/NIFI-2035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15402781#comment-15402781
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ASF GitHub Bot commented on NIFI-2035:
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Github user YolandaMDavis commented on the issue:
https://github.com/apache/nifi/pull/690
@markap14 picked up for review
> Connection creation needs to verify that source and destination both exist
> during 1st phase of 2 phase commit
> -------------------------------------------------------------------------------------------------------------
>
> Key: NIFI-2035
> URL: https://issues.apache.org/jira/browse/NIFI-2035
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Mark Payne
> Fix For: 1.0.0
>
>
> When a connection is created, we don't verify in the first step that both the
> source and destination exist. In the case of a Remote Process Group, where
> the ports change in the background, this can become problematic, we one node
> in the cluster may not have the same ports as another and the connection
> creation could end up failing on that node, resulting in the node getting
> kicked out of the cluster. We should also verify that the new destination
> exists when updating a connection if its destination changes, as this could
> happen there as well.
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