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From "james strachan (JIRA)" <>
Subject [jira] Commented: (AMQ-735) Possible 4.0 consumer client memory leak?
Date Thu, 08 Jun 2006 08:22:51 GMT
    [ ] 

james strachan commented on AMQ-735:

I'm not sure I understand those pictures. Is the number after the types the number of instances
created? If so from those pictures it seems like you've got tons of JMS Session objects (124596
of them!). Why so many JMS sessions? Those are objects your code creates and manages; so I
suspect its your code not closing them down and letting them garbage collect?

Whic one of the 2 programs is it you ran the profiler on?

> Possible 4.0 consumer client memory leak?
> -----------------------------------------
>          Key: AMQ-735
>          URL:
>      Project: ActiveMQ
>         Type: Bug

>   Components: JMS client
>     Versions: 4.0
>  Environment: windows xp pro, jdk 1.5, AMQ 4.0 (incubator)
>     Reporter: Karthik Sethuraman
>     Priority: Critical
>  Attachments:,
> On running the attached test programs (one producer on a topic, one consumer on a topic),
the consumer eventually encounters OutOfMemoryError after receiving around 64 MB of messages).
Default JVM heap size is used (64 MB).
> The problem does not happen with RC2 build.
>  The test programs allows specification of message payloads of different sizes and different
message rates, as well number of  producer/consumer threads/instances., topics and topic connection
factories, via user environment variables.

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