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Posted to notifications@ant.apache.org by "Ales Nosek (Created) (JIRA)" <ji...@apache.org> on 2012/01/22 22:12:40 UTC
[jira] [Created] (IVY-1332) OutOfMemoryError: PermGen caused by
IvyContext leaked when building subprojects
OutOfMemoryError: PermGen caused by IvyContext leaked when building subprojects
-------------------------------------------------------------------------------
Key: IVY-1332
URL: https://issues.apache.org/jira/browse/IVY-1332
Project: Ivy
Issue Type: Bug
Components: Core
Reporter: Ales Nosek
The build.xml files of my subprojects include Ant's <taskdef/> element to define Ivy tasks. This element causes creation of a new classloader to load the Ivy jars.
The code from IvyContext.java:
public class IvyContext {
private static ThreadLocal/*<Stack<IvyContext>>*/ current = new ThreadLocal();
...
}
This static initialization runs once with every classloader and creates a new ThreadLocal object every time. All those ThreadLocal objects are visible (referenced) from the main Thread. For 12 subprojects I end up with 12 ThreadLocal objects each containing one Stack holding IvyContext objects. The IvyContext objects point to its class which points to its ClassLoader. The 12 ClassLoaders stay retained.
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[jira] [Updated] (IVY-1332) OutOfMemoryError: PermGen caused by
IvyContext leaked when building subprojects
Posted by "Ales Nosek (Updated) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/IVY-1332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ales Nosek updated IVY-1332:
----------------------------
Attachment: ivy_eclipse_memory_analyzer.png
build-caller.xml
build.xml
Start this test case with:
ANT_OPTS="-XX:MaxPermSize=20m -XX:+PrintGCDetails -XX:+HeapDumpOnOutOfMemoryError" ant -f build-caller.xml
> OutOfMemoryError: PermGen caused by IvyContext leaked when building subprojects
> -------------------------------------------------------------------------------
>
> Key: IVY-1332
> URL: https://issues.apache.org/jira/browse/IVY-1332
> Project: Ivy
> Issue Type: Bug
> Components: Core
> Reporter: Ales Nosek
> Attachments: build-caller.xml, build.xml, ivy_eclipse_memory_analyzer.png
>
>
> The build.xml files of my subprojects include Ant's <taskdef/> element to define Ivy tasks. This element causes creation of a new classloader to load the Ivy jars.
> The code from IvyContext.java:
> public class IvyContext {
> private static ThreadLocal/*<Stack<IvyContext>>*/ current = new ThreadLocal();
> ...
> }
> This static initialization runs once with every classloader and creates a new ThreadLocal object every time. All those ThreadLocal objects are visible (referenced) from the main Thread. For 12 subprojects I end up with 12 ThreadLocal objects each containing one Stack holding IvyContext objects. The IvyContext objects point to its class which points to its ClassLoader. The 12 ClassLoaders stay retained.
--
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