Anders Andersson created ARTEMIS-2564:
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Summary: Possible durable message count error with retryMessages()
Key: ARTEMIS-2564
URL: https://issues.apache.org/jira/browse/ARTEMIS-2564
Project: ActiveMQ Artemis
Issue Type: Bug
Components: ActiveMQ-Artemis-Native
Affects Versions: 2.10.1
Reporter: Anders Andersson
Assignee: Clebert Suconic
There is a possible bug with retryMessages() JMX call
Step 1: Send messages to a queue
bin/artemis producer --user me --password mypassword --destination
queue://MESSAGING.QUEUE.3 --message TEST
Durable message count is 1000 and Durable persistence size is 394000. Message
count is 1000 and FirstMessageTimestamp is 1574947152841 for this queue. First
Message As Json has JSON text inside it.
Step 2: Retry the messages
It makes no sense to retry messages that wasn't DLQ but that was what I did:
[http://my.happy.machine:8181/console/jolokia/exec/org.apache.activemq.artemis:broker=!%22amq-c!%22,component=addresses,address=!%22MESSAGING.QUEUE.3!%22,subcomponent=queues,routing-type=!%22anycast!%22,queue=!%22MESSAGING.QUEUE.3!%22/retryMessages()]
Got 1000 back
FirstMessageTimestamp is empty and FirstMessageAsJson is [{}] other than that
all fields above is unchanged.
It looks to me that when retryMessages() runs on messages that has not been
rollbacked enough times removes the messages but does not update message count.
Better would be if retryMessages didn't remove messages that have not been sent
to DLQ, but as it is now it is reported to be 1000 messages on the queue but it
is empty when browsing it.
resetMessageCounter() does not fix anything and removeAllMessages() reports 0
and still 1000 messages in message count (no change to the other fields either).
Of course, this is not done that often and service is still running fine, so it
is a minor problem.
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