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View the issue:
http://opensource.atlassian.com/projects/hibernate/secure/ViewIssue.jspa?key=HB-327
Here is an overview of the issue:
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Key: HB-327
Summary: memory leak
Type: Bug
Status: Unassigned
Priority: Critical
Project: Hibernate2
Components:
core
Versions:
2.1 beta 3
Assignee:
Reporter: Bostjan Dolenc
Created: Fri, 12 Sep 2003 10:42 AM
Updated: Fri, 12 Sep 2003 10:42 AM
Environment: Oracle 9i, WebLogic 8.1 SP1, JDK 1.4.2_01 (also on JDK 1.4.1_03)
Description:
Symptoms:
Deploy and undeploy the application about 10 times under WL 8.1 with -Xmx512m. I get OutOfMemoryException on the deploy.
I ran OptimizeIt Profiler over the app. server. It seems that Hibernate caches which contain instrumented classes are not released.
Application:
J2EE application, consisting of few SLSBs and uses Hibernate to access the database. Hibernate startup/shutdown is managed by WebLogic's ApplicationLifecycleListner. That's a listener which receives events on application startup and shutdown. I first thought that the issue was with the classloader. We used to initialize Hibernate inside WebLogic's classloader, but I get OutOfMemoryException even when using classloader of our application.
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