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From "McDermott, Chris Kevin (MSDU - STaTS/StorefrontRemote)" <>
Subject ConsumeJMS and Acknowledgement Mode
Date Wed, 14 Sep 2016 13:28:11 GMT

Hey folks,

The GetJMSQueue processor allows configuration of the Acknowledgment Mode.

Acknowledgement Mode

Client Acknowledge

·         Client Acknowledge
·         Auto Acknowledge

The JMS Acknowledgement Mode. Using Auto Acknowledge can cause messages to be lost on restart
of NiFi but may provide better performance than Client Acknowledge.

Can someone speak to how Acknowledgement Mode is handled by the ConsumeJMS processor?

The reason I ask is that I seem to be losing messages on NiFi restart.

Chris McDermott

Remote Business Analytics
STaTS/StoreFront Remote
HPE Storage
Hewlett Packard Enterprise
Mobile: +1 978-697-5315

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