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https://issues.apache.org/jira/browse/NIFI-4169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Y Wikander updated NIFI-4169:
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Fix Version/s: 1.3.0
Status: Patch Available (was: Open)
Patch submittal for this issue:
[^0002-websocket-PutWebSocket-enhance-broadcast-support.patch]
> 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
> Priority: Critical
> Labels: patch
> Fix For: 1.3.0
>
> 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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