[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-3932) org.jboss.el.util.ReflectionUtil/org.jboss.el.util.ReferenceCache causes thread and memory leak

[Alexander Schwartz (JIRA)]

org.jboss.el.util.ReflectionUtil/org.jboss.el.util.ReferenceCache causes thread and memory leak
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                 Key: JBSEAM-3932
                 URL: https://jira.jboss.org/jira/browse/JBSEAM-3932
             Project: Seam
          Issue Type: Bug
    Affects Versions: 2.1.1.GA
         Environment: Tomcat w/ Seam on Windows
            Reporter: Alexander Schwartz


org.jboss.el.util.ReflectionUtil (from jboss-el) uses a  

private static ReferenceCache methodCache

and this ReferenceCache is leaking a thread that is used for cleanup. You can't call a cleanup method from the outside. 

But the methodCache could be removed from the code as it is not used anyway: it is read in findMethod(), but nothing is stored (the code is commented out in version 1.0_02.CR2, and not present in all other souces (2.0.2.CR1, 2.0.1.GA).

Every redeployment of an application will leak one thread due to this bug. And it causes a memory leak as the web application class loader can't be unloaded due to this bug.

The pom.xml of jboss-el states "JBoss EL is a extended EL implementation, distributed with Seam", therefore I report this bug against Seam.  

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