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https://issues.apache.org/jira/browse/XERCESJ-1430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13233171#comment-13233171
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Michael Glavassevich commented on XERCESJ-1430:
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LongHua, the fix you've pointed out from Xerces-J 2.10.0 is unrelated to this
JIRA issue. The patch attached to this particular issue still needs to be
reviewed. It has not been committed yet.
> Memory leak: Elements with id attributes are not garbage collectable if the
> id attribute is not removed.
> --------------------------------------------------------------------------------------------------------
>
> Key: XERCESJ-1430
> URL: https://issues.apache.org/jira/browse/XERCESJ-1430
> Project: Xerces2-J
> Issue Type: Bug
> Components: DOM (Level 3 Core)
> Affects Versions: 2.9.1
> Reporter: Ludger Bünger
> Attachments: IdentifiersWeakValuePatch.txt
>
>
> Memoryleak:
> Inside CoreDocumentImpl a HashTable resides that holds an id string to
> element mapping.
> If an element is removed from the DOM this Map is only updated if one also
> removes the id attribute.
> Thus the element is not garbage collectable.
> Solution:
> Use an Map implementation that holds only a weak reference to it's values.
> See attached patch
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