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From "David Schlenk (JIRA)" <>
Subject [jira] Updated: (AMQ-2295) Inconsistencies using browseMessages() in JMX on a queue
Date Wed, 17 Jun 2009 20:24:35 GMT


David Schlenk updated AMQ-2295:

Correction: you do not need to consume any messages in order for the correctly sized list
to be returned by the browseMessages operation again. As a work around I tried connecting
and setting up a consumer but then immediately closing that consumer and that seems to be
enough of a wake up call to fix the functionality of operation. Kind of ineffecient and bad
design tho... 

> Inconsistencies using browseMessages() in JMX on a queue
> --------------------------------------------------------
>                 Key: AMQ-2295
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: JMX
>    Affects Versions: 5.2.0
>         Environment: centos 5, java 1.6.0_13, 32bit x86
>            Reporter: David Schlenk
> I'm trying to write a utility to monitor our JMS queues using JMX. I'm having a hard
time getting all of the messages currently in queue to show up when I call the browseMessages
operation. It seems to randomly stop keeping track of how many messages are actually in the
queue after a period of time when no consumers are active on the queue. Once a consumer connects
and starts consuming messages then the browse function seems to work OK again. I'm using this
configuration for my persistence:
> <persistenceAdapter>
>             <amqPersistenceAdapter syncOnWrite="false" directory="${activemq.base}/data"
maxFileLength="20 mb"/>
> </persistenceAdapter>
> Messages come in via stomp (<transportConnector name="stomp+ssl" uri="stomp+ssl://localhost:1940)
and are consumed via http (<transportConnector name="ihttp"    uri="http://localhost:61618"/>).

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