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From "Timothy Bish (JIRA)" <>
Subject [jira] [Commented] (AMQ-5762) Severe memory leak in the MQTT connector
Date Thu, 14 May 2015 20:24:59 GMT


Timothy Bish commented on AMQ-5762:

I've found the issue already, and have a patch going in soon.  I will let you know once I've
finished testing and added committed the fix, you can then pull down the latest source from
github and build or you can wait until a new SNAPSHOT build is done and run against that.

> Severe memory leak in the MQTT connector
> ----------------------------------------
>                 Key: AMQ-5762
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: MQTT
>    Affects Versions: 5.10.1, 5.10.2, 5.11.0, 5.11.1
>            Reporter: Michael Feingold
>            Assignee: Timothy Bish
>            Priority: Critical
>         Attachments: Screen Shot 2015-05-12 at 20.06.47.png, Screen Shot 2015-05-14 at
2.06.02 PM.png, activemq.xml, wrapper.conf
> When an MQTT connection is closed some memory is not released. In case of the soft close
(calling connection close on the client) memory leaks at the rate of 70K per connection close.
In case of the hard close (pulling the wire, or cutting off the network connection) the leak
goes at the rate of 300K per close. we also checked it on version 5.11 - same problem

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