[jboss-user] JBoss memory leak?

[jitesh dundas]

Sometimes you might want to mention the JVM details too. But it looks moe of
a code issue rather than a configuration one..

Regards,
jd

On Tue, Jul 13, 2010 at 6:14 PM, jitesh dundas <jiteshbdundas at gmail.com>wrote:

> If I am not wrong, you need to add some Bean for this..Managed Bean..I
> think the experts will help you more on this..
>
> Actually, just google on this ...
>
> Regards,
> jd
>
>
> On Tue, Jul 13, 2010 at 6:08 PM, Jari Juslin <zds at iki.fi> wrote:
>
>> Hello,
>>
>> everybody.
>>
>> I have a problem with JBoss leaking memory over repeated re-deployments
>> of same ear file. Obviously the ear file changes slightly between the
>> re-deploys, but name is the same, so it should replace the old one
>> entirely on each re-reploy.
>>
>> Over time, after dozen or so hot-re-deploys, JBoss stops to
>> OutOfMemoryError at deploy time. To trace the issue I captured full
>> memory dump and analyzed it with Ecliple Memory Analysis Tool. Here is a
>> screenshot from the data it shows:
>> <http://zds.iki.fi/zds/temp/jboss_leak_0.png>
>>
>> And the main leak point as text:
>>
>> One instance of "org.jboss.mx.server.MBeanServerImpl" loaded by
>> "org.jboss.classloader.spi.base.BaseClassLoader @ 0x7ffe9d4baa50"
>> occupies 83 098 176 (21,06%) bytes. The memory is accumulated in one
>> instance of
>> "EDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap$Entry[]"
>> loaded by "org.jboss.bootstrap.NoAnnotationURLClassLoader @
>> 0x7ffe9c604bb8".Keywords
>> org.jboss.bootstrap.NoAnnotationURLClassLoader @ 0x7ffe9c604bb8
>> org.jboss.classloader.spi.base.BaseClassLoader @ 0x7ffe9d4baa50
>> org.jboss.mx.server.MBeanServerImpl
>> EDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap$Entry[]
>>
>> Looking further down the object tree, I get drown to sea of interlinked
>> HashMaps. It would seem the memory leak, if it exists, is about having
>> lots and lots of internal bookkeeping information gathered in small
>> pieces to interlinked network of object references.
>>
>> So, the question is, what can I do to this?
>>
>>
>>        -Jari
>> _______________________________________________
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>> https://lists.jboss.org/mailman/listinfo/jboss-user
>>
>
>
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