[jboss-user] JBoss memory leak?

jitesh dundas jiteshbdundas at gmail.com
Tue Jul 13 08:44:08 EDT 2010

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 ...


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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