users@glassfish.java.net

Re: How can web sessions leak?

From: Alexis Moussine-Pouchkine <alexis.mp_at_sun.com>
Date: Wed, 05 Nov 2008 21:02:23 +0100

and since you have a GlassFish Subscription (IIRC), we could make
those fixes available as patches if your business requires it (and if
they're not already).
-Alexis

On Nov 5, 2008, at 20:54, Jan Luehe wrote:

> Ryan,
>
> On 11/ 5/08 10:42 AM, Ryan de Laplante wrote:
>> Hi,
>>
>> I'm investigating a heap dump of GlassFish and my application that
>> has recently had "out of heap space" errors twice over the last few
>> weeks. I noticed that there are about 85 web session instances
>> hanging around. Some are successful transactions, others
>> incomplete or failed transactions. There doesn't seem to be a
>> pattern and I know that thousands of other transactions have
>> completed without leaking their sessions.
>>
>> I'm wondering if anyone has a clue what I should be looking for?
>> Also, these sessions are no more than a few KB each so I can't see
>> this causing my out of heap space exceptions. I'm having hard time
>> knowing where to start or what to look for.
>
> Which version of GlassFish are you using?
>
> Several related issues have been fixed in GlassFish v3 Prelude and the
> upcoming GlassFish v2.1, including:
>
> https://glassfish.dev.java.net/issues/show_bug.cgi?id=4276
> https://glassfish.dev.java.net/issues/show_bug.cgi?id=4662
> https://glassfish.dev.java.net/issues/show_bug.cgi?id=5326
>
> Thanks!
>
> Jan
>
>
>
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