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https://issues.apache.org/jira/browse/NIFI-4169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16170497#comment-16170497
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Koji Kawamura commented on NIFI-4169:
-------------------------------------
[~ywik] Thank you for testing it. Sorry, I just noticed that I have squashed my
working branch unintentionally (just out of habit when I clean up commits
before finalizing a PR). I have updated it to have two commits, the 1st one
contains the patch you provided, and the 2nd one is my change.
https://github.com/apache/nifi/pull/2105/commits
Would you check your name and email address are valid in the commit message?
If the PR is reviewed by another committer, then it will be merged into master.
Thank you.
> PutWebSocket processor with blank WebSocket session id attribute cannot
> transfer to failure queue
> -------------------------------------------------------------------------------------------------
>
> Key: NIFI-4169
> URL: https://issues.apache.org/jira/browse/NIFI-4169
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Affects Versions: 1.3.0
> Reporter: Y Wikander
> Assignee: Y Wikander
> Labels: patch
> Attachments:
> 0001-websocket-when-sendMessage-fails-under-blank-session.patch,
> 0002-websocket-PutWebSocket-enhance-broadcast-support.patch
>
>
> If a PutWebSocket processor is setup with a blank WebSocket session id
> attribute (see NIFI-3318; Send message from PutWebSocket to all connected
> clients) and it is not connected to a websocket server it will log the
> failure and mark the flowfile with Success (rather than Failure) -- and the
> data is effectively lost.
> If there are multiple connected clients, and some succeed and others fail,
> routing Failure back into the PutWebSocket could result in duplicate data to
> some clients.
> Other NiFi processors seem to err on the side of "at least once".
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