I have just encountered the above problem after starting to use the latest connection pool. Out of 10,000 messages in our tests we saw 10 going onto the DLQ and it did not take long for this to occur.
<dependency> <groupId>org.apache.activemq</groupId> <artifactId>activemq-pool</artifactId> <version>5.10.0</version> </dependency> This was addressed by moving back to using the previous connection pool version: 5.9.1. -- View this message in context: http://activemq.2283324.n4.nabble.com/JMS-Exception-in-dlqDeliveryFailureCause-tp4685459p4685507.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.