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From "Marcin Giedz (JIRA)" <>
Subject [jira] Commented: (AMQ-2657) temp-queue - no producer, no consumer -> messagecount
Date Mon, 22 Mar 2010 09:27:48 GMT


Marcin Giedz commented on AMQ-2657:

Hi It's me again... I found I think which can be helpful... Today I had network problem with
my one of my ISPs. So for about 20sec all clients connected via AMQ lost connection. After
that time they had to reconnect although temp-queues kept "safe" in AMQ and now I have to
purge them every  10-20 minutes to not get "memory exhausted" on temp-queue.

> temp-queue - no producer, no consumer -> messagecount 
> ------------------------------------------------------
>                 Key: AMQ-2657
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.3.1
>            Reporter: Marcin Giedz
>            Priority: Blocker
>         Attachments: activemq.xml, jms1.png, jms2.png, jms3.png
> HI,
> I tried the latest snapshot 12.03.2010, several producers and consumers. No matter what
I change in activemq.xml file I always end up with memorylimit and broker is "frozen". However
today I found one really strange thing. Maybe this is something wrong with what JMX says but:
several temp-queues with  ConsumerCount=0, ProducerCount=0 but EnqueueCount was getting up
and up and Dequeue was 0 all the time . This way MemoryPercentageUsage got to 100% and AMQ
said again something like this:
> 2010-03-16 15:02:28,455 | INFO  | Usage Manager Memory Limit reached on temp-queue://e0499daa-604e-227c-57c5-8a700a83d690:0.
Producers will be throttled to the rate at which messages are removed from this destination
to prevent flooding it. See for more
info | | ActiveMQ Transport: tcp:///

> My config file is attached. All producers and consumers use CMS -3.0.1. and 3.1.1.

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