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https://issues.apache.org/jira/browse/NIFI-4938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16387794#comment-16387794
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ASF GitHub Bot commented on NIFI-4938:
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GitHub user Himanshu-it opened a pull request:
https://github.com/apache/nifi/pull/2514
NIFI-4938 Upgraded org.eclipse.paho.client.mqttv3 dependency version …
Off line buffering for mqtt messages will now be supported with the version
of paho client being updated to 1.2.0 from 1.0.2 .
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/Himanshu-it/nifi
NIFI-4938-Offline-mqtt-message-buffering-support-for-mqtt-processors-with-QoS1-and-Qos2
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/nifi/pull/2514.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2514
----
commit 49f1410c7bf61edfe9a9fb19f566743590f50636
Author: himanshu <hmdcisin@...>
Date: 2018-03-06T13:38:50Z
NIFI-4938 Upgraded org.eclipse.paho.client.mqttv3 dependency version to
1.2.0
----
> Offline buffering is not supported by paho client version 1.0.2 used in mqtt
> processors.
> ----------------------------------------------------------------------------------------
>
> Key: NIFI-4938
> URL: https://issues.apache.org/jira/browse/NIFI-4938
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Himanshu Mishra
> Priority: Major
>
> Off line buffering is not supported by paho client version 1.0.2 used in mqtt
> processors which causes problem of "message loss" with QoS 1 and QoS 2 for
> mqtt messages when the client connectivity is lost.
> The version 1.2.0 of paho client supports this off line buffering. Thus
> addressing this issue.
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