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https://issues.apache.org/jira/browse/IVY-791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maarten Coene resolved IVY-791.
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Resolution: Fixed
Fix Version/s: 2.0-RC1
Assignee: Maarten Coene
Updated the code as you suggested.
Thanks for reporting this.
> Memory leak in ModuleRevisionId.java
> ------------------------------------
>
> Key: IVY-791
> URL: https://issues.apache.org/jira/browse/IVY-791
> Project: Ivy
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.0.0-beta-2
> Reporter: Archie Cobbs
> Assignee: Maarten Coene
> Fix For: 2.0-RC1
>
>
> In ModuleRevisionId.java an attempt is made to create a "canconical instance"
> cache like {{String.intern()}} using this static field:
> {noformat}
> private static final Map/*<ModuleRevisionId, ModuleRevisionId>*/ CACHE = new
> WeakHashMap();
> {noformat}
> This doesn't work: each entry is both a key and a value, so the strong
> reference to the key will never allow the weak reference to the value to be
> the only remaining reference, and so entries will never be dropped.
> You have to wrap the keys in a WeakReference.
> See [Classpath's implementation of
> String.intern()|http://cvs.savannah.gnu.org/viewvc/classpath/vm/reference/java/lang/VMString.java?root=classpath&view=markup]
> for an example.
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