[jira] [Updated] (NIFI-10894) Resume Session in ConsumeMQTT does not work after NiFi restart

["Peter Turcsanyi (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-10894?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Peter Turcsanyi updated NIFI-10894:
-----------------------------------
    Affects Version/s: 1.19.0
                       1.18.0

> Resume Session in ConsumeMQTT does not work after NiFi restart
> --------------------------------------------------------------
>
>                 Key: NIFI-10894
>                 URL: https://issues.apache.org/jira/browse/NIFI-10894
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Extensions
>    Affects Versions: 1.18.0, 1.19.0
>            Reporter: Peter Turcsanyi
>            Priority: Major
>
> ConsumeMQTT in Resume Session mode should process the messages sent to broker while the processor was offline after starting the processor again.
> Using v5.0 specification version, it works if the processor is stopped and then started but the "offline" messages get lost if the NiFi instance is restarted.
> It seems the issue is that the async client needs to be used for connecting the consumer (not only for the subscribe() call).
> [https://github.com/apache/nifi/blob/830a64b8e95c1ff2baaa3b47234a5ba6c9a5d0de/nifi-nar-bundles/nifi-mqtt-bundle/nifi-mqtt-processors/src/main/java/org/apache/nifi/processors/mqtt/adapters/HiveMqV5ClientAdapter.java#L99]



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