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https://issues.jboss.org/browse/JBSEAM-5000?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jamie Cavanaugh updated JBSEAM-5000:
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Attachment: memleak-test.zip
Example project to reproduce the issue
> EJB proxy class memory leak using pageflows
> -------------------------------------------
>
> Key: JBSEAM-5000
> URL: https://issues.jboss.org/browse/JBSEAM-5000
> Project: Seam 2
> Issue Type: Feature Request
> Components: Performance and Scalability
> Affects Versions: 2.2.1.Final
> Environment: Windows 2003, WebLogic
> Reporter: Jamie Cavanaugh
> Attachments: memleak-test.zip
>
>
> We have found a PermGen leak when an EJB is accessed during a pageflow.
> Attached is a sample project that reproduces the issue.
> It appears to happen only if a conversation scoped component that injects a
> remote EJB is referenced by an action on a pageflow transition. It also
> occurs if the component access the EJB via a JNDI lookup.
> We can reproduce it on WebLogic, but not on GlassFish. However it seems
> related to SEAM and pageflows, as it only occurs during a pageflow, and
> changing when the EJB is looked up affects whether or not the leak will be
> present.
> Steps to reproduce (using example app):
> 1) deploy jsf library (follow standard instructions for weblogic)
> 2) deploy the two EARs (memleak-ejb-ear-0.0.1-SNAPSHOT.ear and
> memleak-web-ear-0.0.1-SNAPSHOT.ear)
> 3) access the sample web-app at /web/home.seam
> Clicking the buttons goes through a cycle of three pages that exercise the
> code that produces the leak. There's a jmeter test plan included.
> You can see the leaked classes (they look like: class
> memleak/MyEJBImpl_ehtkps_MyEJBImpl_1031_WLStub) by running jrcmd
> print_class_summary, or if using a Sun JVM, by using a tool like VisualVM.
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