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Posted to dev@ode.apache.org by "Karthick Sankarachary (JIRA)" <ji...@apache.org> on 2009/04/15 01:38:14 UTC
[jira] Resolved: (ODE-574) Memory leak when Un-deploying processes
that contain XSL stylesheets
[ https://issues.apache.org/jira/browse/ODE-574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Karthick Sankarachary resolved ODE-574.
---------------------------------------
Resolution: Fixed
The patch from 2009-04-08 04:07 AM has been applied at revision 765005.
> Memory leak when Un-deploying processes that contain XSL stylesheets
> --------------------------------------------------------------------
>
> Key: ODE-574
> URL: https://issues.apache.org/jira/browse/ODE-574
> Project: ODE
> Issue Type: Bug
> Components: BPEL Compilation/Parsing, BPEL Runtime
> Environment: N/A
> Reporter: Ciaran Jessup
> Attachments: cleanup-xsl-cache.patch, memory-leak-all-in-one-2.patch, memory-leak-all-in-one.patch
>
>
> Currently if the BPEL process contains any XSL stylesheets it will not free up *all* the memory that was allocated during the compilation/dehydration of the process. This seems to be because there is a cache of XSLTemplates stored in the XSLTransformHandler, and these XSLTemplates can sometimes contain (transitive) references back to the OProcess object instances (via for example the URIResolvers/XPAth Expressions). Unfortunately this cache lives forever (crucially even after the process has been un-deployed) because of this the object graph hanging from the OProcess object instance is never available for the GC to pick-off.
> There is also another reference issue in the ErrorListener that is associated with the XSLTransformHandler instance, but I don't really understand that bit of code just as yet, a patch for the former issue follows, I'm reviewing the ErrorListener issue currently.
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