mismatched DLQ statistic using jconsole, when message expire in Topic with
durable subscriber
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Key: AMQ-1726
URL: https://issues.apache.org/activemq/browse/AMQ-1726
Project: ActiveMQ
Issue Type: Bug
Affects Versions: 5.1.0
Environment: Windows XP
java version "1.6.0_02"
Java(TM) SE Runtime Environment (build 1.6.0_02-b05)
Java HotSpot(TM) Client VM (build 1.6.0_02-b05, mixed mode, sharing)
Reporter: Juraj Kuruc
Attachments: dlq.bmp, dlqTest.zip
When time to live is set on producer and message expire then receive attemp is
performed (durable Topic subscriber), message goes to ActiveMQ.DLQ. After
second expired message statistic for DLQ size shows 3. After 3. message DLQ
size is 6. When purge() method on DLQ is performed, jconsole fails and shows
nothing - only reconnect to jconsole repair this state (statistic on DLQ is
still wrong).
Use case descr.
1. run ConsumerDlqTest to create durable subscription
2. stop ConsumerDlqTest
3. run ProducerDlqTest to send one message to Topic
4. wait 1000ms and run ConsumerDlqTest again
5. repeat 3.
6. repeat 4.
7. jconsole statistic for ActiveMQ.DLQ - QueueSize = 3 (while 2 messages are
inside)
8. press purge() (operation on ActiveMQ.DLQ)
result is shown on picture in attachment
9.reconect to activemq using jconsole
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