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http://issues.apache.org/bugzilla/show_bug.cgi?id=36162 Summary: Possible Memory Leak with LinkRewriterTransformer Product: Cocoon 2 Version: Current SVN 2.2 Platform: PC OS/Version: Windows XP Status: NEW Severity: normal Priority: P2 Component: blocks AssignedTo: dev@cocoon.apache.org ReportedBy: [EMAIL PROTECTED] I'm currently looking into a memory leak issue at Apache Forrest. Forrest's site currently needs to be built with -Xmx128m because of this. I believe the issue is originated at Cocoon's LinkRewriterTransformer or XMLFileModule. A memory profiler shows lots (30MB+) of DOM DocumentImpls (150+ objects), which get referenced by XMLFileModule.DocumentHelper. Their URIs are linkmap-xxx. LinkRewriterTransformer#createTransformedLink(String) uses a InputModuleHelper, which seems to reference a XMLFileModule. ... newLink = (String) modHelper.getAttribute(this.objectModel, ^^^^^^^^^ ... The XMLFileModule keeps the visited documents in a map, which is where they build up. Just for testing, I changed XMLFileModule#getDocumentHelper(Configuration) from this.documents.put(src, new DocumentHelper(reload, cache, src, this)); to return new DocumentHelper(reload, cache, src, this); Thus, a new DocumentHelper is created every time, instead of caching them. The result: No more memory problems, Apache Forrest's site builds again with -Xmx32. Ron -- Configure bugmail: http://issues.apache.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee.
