HornetQ Persistence is not removing files

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In my application, I've noticed that HornetQ 2.4.1 has been piling up message journal files, (sometimes into the thousands.) I'm using HornetQ via JMS Queues and we're using Wildfly 8.2. Normally, when starting the server instance, HornetQ will have 3 messaging journals and a lock file.

The piling up of message journal files has caused issues when restarting the server, we'll see a log that states:

HQ221014: 54% loaded

When removing the files, the server loads just fine. I've experimented some, and it appears as though messages in these files have already been processed, but I'm not sure why they continue to pile up over time.

Edit 1: I've found this link that indicates we're not acknowledging messages. However, when we create the session like so connection.createSession(false,Session.AUTO_ACKNOWLEDGE);.

I'll continue looking for a solution.

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dimwittedanimal On BEST ANSWER

I've come to find out that this has been caused (for one reason or another, I currently believe it has something to do with server load or network hangs) by the failure of calling the afterDelivery() method. I'm addressing this by not hitting that queue so often. It's not elegant, but it serves my purpose.

See following HornetQ messages I found in the logs:

HQ152006: Unable to call after delivery
javax.transaction.RollbackException: ARJUNA016053: Could not commit transaction. at org.jboss.as.ejb3.inflow.MessageEndpointInvocationHandler.afterDelivery(MessageEndpointInvocationHandler.java:87)

HQ222144: Queue could not finish waiting executors. Try increasing the thread pool size

HQ222172: Queue jms.queue.myQueue was busy for more than 10,000 milliseconds. There are possibly consumers hanging on a network operation