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  1. JBoss Enterprise Application Platform 4 and 5
  2. JBPAPP-6530

BaseClassLoader leaking memory after undeploy

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Details

    • Bug
    • Resolution: Done
    • Minor
    • EAP_EWP 5.3.0.ER1
    • EAP_EWP 5.1.2
    • None
    • None

    • JBoss Enterprise Application Platform 5.1.0
      Sun JDK / OpenJDK

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      1) Start JBoss 5.1 EAP with the admin-console web application deployed.
      2) Make a request to /admin-console/ URL.
      3) Undeploy the web application, by removing admin-console from the filesystem (or moving it outside the deploy folder, or renaming it to .bak, etc.).

      Subsequent iterations of these steps should result in more of these leaking objects being left over.

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      1) Start JBoss 5.1 EAP with the admin-console web application deployed. 2) Make a request to /admin-console/ URL. 3) Undeploy the web application, by removing admin-console from the filesystem (or moving it outside the deploy folder, or renaming it to .bak, etc.). Subsequent iterations of these steps should result in more of these leaking objects being left over.
    • A memory leak was encountered in previous versions of JBoss EAP when an application that uses EL inside JSP (such as the admin-console) was unemployed. This leak has been corrected by adding a call to purgeBeanClasses in an undeploy method.
    • Documented as Resolved Issue
    • NEW

    Description

      This occurs when undeploying an application, which uses EL inside JSP. The admin-console application can be used as an example. After undeploying the application, taking a heap dump, and analyzing in Eclipse Memory Analyzer, the classloader for this application (org.jboss.classloader.spi.base.BaseClassLoader) is left over with its root being held by com.sun.naming.internal.ResourceManager in a WeakHashMap named propertiesCache. Would it be possible for this classloader to be cleaned up when the application is undeployed?

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          blocks

          Component Upgrade - A task tracking an update to a bundled component or revision of component upstream of the project. JBPAPP-10640 Upgrade JBoss Web

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed
          is related to

          Bug - A problem that impairs or prevents the functions of the product. AS7-3736 javax.el.BeanELResolver.properties keeps references to undeployed classes (Class Loader leak)

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Resolved
          relates to

          Bug - A problem that impairs or prevents the functions of the product. AS7-3736 javax.el.BeanELResolver.properties keeps references to undeployed classes (Class Loader leak)

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Resolved

          Activity

            People

              rhn-cservice-bbaranow Bartosz Baranowski
              rhn-support-aogburn Aaron Ogburn
              Russell Dickenson Russell Dickenson (Inactive)
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              Dates

                Created:
                Updated:
                Resolved: