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From "Marco Malavolta (Updated) (JIRA)" <>
Subject [jira] [Updated] (WW-3751) Memory leak using jsp tags on an app deployed on glassfish
Date Sat, 04 Feb 2012 12:37:53 GMT


Marco Malavolta updated WW-3751:

> Memory leak using jsp tags on an app deployed on glassfish
> ----------------------------------------------------------
>                 Key: WW-3751
>                 URL:
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Other
>    Affects Versions: 2.2.1,, 2.2.3, 2.3.1,
>         Environment: Windows 7 Professional (Microsoft Windows version 6.1 Build 7601:Service
Pack 1) 64 bit
> Processor: Intel Core i5 CPU 650 @ 3.20GHz 3.33 Ghz
> Ram: 6.00 GB
> GlassFish Server Open Source Edition 3.1.1 (build 12).
> It also happens in production environment with different hardware configuration running
>            Reporter: Marco Malavolta
>         Attachments: screenshot-1 - VisualVM.jpg,
> I have some webapps based on Struts 2 framework.
> I use JSP tags, even sometimes with nested Struts 2 tag (FreeMarker).
> Every time you call with a single jsp jsp tags JspWriterImp a new instance is created
with more or less the contents of the tag (instead of reusing the same object stored in memory.
> This causes a loss of memory, because these objects are located in the old generation
heap 'til the web application is restarted
> After a few days / weeks depending on the traffic that you need to restart because of
> I also created a Jira issue on GlassFish (,
where I posted a screenshot and a sample application to reproduce the problem.
> Basically I'm not sure if it's a struts problem or a problem of glass fish.
> Perhaps the second hypothesis is more likely
> Feel free to close it if you feel that the problem is solely related to Glassfish

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