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https://issues.apache.org/jira/browse/NIFI-3002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15657290#comment-15657290
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ASF GitHub Bot commented on NIFI-3002:
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Github user asfgit closed the pull request at:
https://github.com/apache/nifi/pull/1189
> Remove legacy code for retrieving Site To Site details
> ------------------------------------------------------
>
> Key: NIFI-3002
> URL: https://issues.apache.org/jira/browse/NIFI-3002
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Matt Gilman
> Assignee: Matt Gilman
> Fix For: 1.1.0
>
>
> Earlier versions of Apache NiFi could potentially enter a distributed
> deadlock when load balancing with a Remote Process Group. Retrieval of these
> details was obtained within the framework as a remote call was technically
> unnecessary. Subsequently, these actions were made asynchronous but the port
> retrieval was left in place. This could lead to some confusion as the UI may
> report some ports as available when technically policies may prevent data
> transfers. By removing the legacy code, the UI will accurately reflect the
> port availability.
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