approved


On 9/9/07, André Bargull <[EMAIL PROTECTED]> wrote:
> Second try:
>
>
> Change 20070909-bargull-8 by [EMAIL PROTECTED] on 2007-09-09 12:12:11
> in /home/Admin/src/svn/openlaszlo/branches/wafflecone
> for http://svn.openlaszlo.org/openlaszlo/branches/wafflecone
>
> Summary: Fix for memory leak in LzParsedPath
>
> New Features:
>
> Bugs Fixed:
> LPP-4214 - "LzDatapointer#ppcache" leaks memory
>
> Technical Reviewer: hminsky
> QA Reviewer: ptw
> Doc Reviewer: (pending)
>
> Documentation:
> Added "getContext()" to LzParsedPath which replaces the direct access to
> "context"-member of "LzParsedPath".
> With this change the "context"-member of LzParsedPath is only used for
> "new"-datasets (xpath:"new:/foo/bar").
> This API-Change was necessary, because LzParsedPath was holding a
> reference to a dataset through his "context"-member,
> but even if this dataset was destroyed, the reference was not cleared.
> This led to two bugs:
> 1. it was preventing garbage-collection
> 2. when a user created a new dataset with the same name, cached
> LzParsedPaths were still pointing to the old dataset,
> which gave some strange errors i.e. when a user used
> xpath:"ds:/foo/text()" (cached) this gave the old results,
> but xpath:"ds:/foo" (non-cached) and then a LzDatapointer#getNodeText()
> gave new results.
> For better understanding of this issue, please see the attached testcase
> at LPP-4214.
>
> Release Notes:
>
> Details:
> The marked memory leaks in the testcase are covered by LPP-4688
>
>
> Tests:
> Testcase is attached at LPP-4214
>
> Files:
> M WEB-INF/lps/lfc/data/LzDatapointer.lzs
> M WEB-INF/lps/lfc/data/LzParsedPath.lzs
>
> Changeset:
> http://svn.openlaszlo.org/openlaszlo/patches/20070909-bargull-8.tar
>
> --
> Official OpenLaszlo-Committer ^_^
>
>


-- 
Henry Minsky
Software Architect
[EMAIL PROTECTED]

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