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From "Juraj Kuruc (JIRA)" <j...@apache.org>
Subject [jira] Created: (AMQ-1726) mismatched DLQ statistic using jconsole, when message expire in Topic with durable subscriber
Date Wed, 14 May 2008 11:29:43 GMT
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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