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The singleton DeploymentDescriptorPropertyCache can get stuck in an infinite loop because of concurrency issues accessing the resolvedMap field with #getWebXMLPath(). Java callstack: at java/util/HashMap.rehash(Bytecode PC:97(Compiled Code)) at java/util/HashMap.rehash(Bytecode PC:6(Compiled Code)) at java/util/HashMap.putImpl(Bytecode PC:6(Compiled Code)) at java/util/HashMap.put(Bytecode PC:3(Compiled Code)) at org/eclipse/jst/jsp/core/internal/contenttype/DeploymentDescriptorPropertyCache.getWebXMLPath(Bytecode PC:88(Compiled Code)) at org/eclipse/jst/jsp/core/internal/contenttype/DeploymentDescriptorPropertyCache.getCachedDescriptor(Bytecode PC:2(Compiled Code)) at org/eclipse/jst/jsp/core/internal/contenttype/DeploymentDescriptorPropertyCache.getPropertyGroups(Bytecode PC:11(Compiled Code)) at org/eclipse/jst/jsp/core/internal/contentmodel/tld/TLDCMDocumentManager.handlePreludes(Bytecode PC:28(Compiled Code)) at org/eclipse/jst/jsp/core/internal/contentmodel/tld/TLDCMDocumentManager$DirectiveStructuredDocumentRegionHandler.nodeParsed(Bytecode PC:14(Compiled Code)) at org/eclipse/wst/xml/core/internal/parser/XMLSourceParser.fireNodeParsed(Bytecode PC:62(Compiled Code)) at org/eclipse/jst/jsp/core/internal/parser/JSPSourceParser.parseNodes(Bytecode PC:62(Compiled Code)) at org/eclipse/wst/xml/core/internal/parser/XMLSourceParser.getDocumentRegions(Bytecode PC:3(Compiled Code)) at org/eclipse/wst/sse/core/internal/text/StructuredDocumentReParser._core_reparse_text(Bytecode PC:3(Compiled Code)) at org/eclipse/wst/sse/core/internal/text/StructuredDocumentReParser.core_reparse(Bytecode PC:3(Compiled Code)) at org/eclipse/jst/jsp/core/internal/parser/JSPReParser.reparse(Bytecode PC:162(Compiled Code)) at org/eclipse/wst/sse/core/internal/text/StructuredDocumentReParser.reparse(Bytecode PC:64(Compiled Code)) at org/eclipse/wst/sse/core/internal/text/BasicStructuredDocument.updateModel(Bytecode PC:25(Compiled Code)) at org/eclipse/wst/sse/core/internal/text/BasicStructuredDocument.internalReplaceText(Bytecode PC:89(Compiled Code)) at org/eclipse/wst/sse/core/internal/text/BasicStructuredDocument.replaceText(Bytecode PC:10(Compiled Code)) at org/eclipse/wst/sse/core/internal/text/BasicStructuredDocument.set(Bytecode PC:10(Compiled Code)) at org/eclipse/core/internal/filebuffers/ResourceTextFileBuffer.setDocumentContent(Bytecode PC:190(Compiled Code)) at org/eclipse/core/internal/filebuffers/ResourceTextFileBuffer.initializeFileBufferContent(Bytecode PC:120(Compiled Code)) at org/eclipse/core/internal/filebuffers/ResourceFileBuffer.create(Bytecode PC:144(Compiled Code)) at org/eclipse/core/internal/filebuffers/TextFileBufferManager.connect(Bytecode PC:99(Compiled Code)) at org/eclipse/wst/sse/core/internal/FileBufferModelManager.getModel(Bytecode PC:84(Compiled Code)) at org/eclipse/wst/sse/core/internal/model/ModelManagerImpl._doCommonGetModel(Bytecode PC:17(Compiled Code)) at org/eclipse/wst/sse/core/internal/model/ModelManagerImpl._commonGetModel(Bytecode PC:141(Compiled Code)) at org/eclipse/wst/sse/core/internal/model/ModelManagerImpl._commonGetModel(Bytecode PC:15(Compiled Code)) at org/eclipse/wst/sse/core/internal/model/ModelManagerImpl.getModelForRead(Bytecode PC:15(Compiled Code)) at org/eclipse/jst/jsp/core/internal/java/search/JSPSearchDocument.getJSPTranslation(Bytecode PC:15(Compiled Code)) at org/eclipse/jst/jsp/core/internal/java/search/JSPSearchDocument.getPath(Bytecode PC:15(Compiled Code)) at org/eclipse/jst/jsp/core/internal/java/search/JavaSearchDocumentDelegate.<init>(Bytecode PC:2(Compiled Code)) at org/eclipse/jst/jsp/core/internal/java/search/JSPSearchSupport.createSearchDocument(Bytecode PC:2(Compiled Code)) at org/eclipse/jst/jsp/core/internal/java/search/JSPSearchSupport.addJspFile(Bytecode PC:55(Compiled Code)) at org/eclipse/jst/jsp/core/internal/java/search/JSPIndexManager$ProcessFilesJob.run(Bytecode PC:191) at org/eclipse/core/internal/jobs/Worker.run(Bytecode PC:31)
Created attachment 172237 [details] patch Allowing threads to access the map more safely.
Patch released to maintenance and HEAD.
Probably related: I just got a deadlock in HashMap.get() "Worker-8" prio=10 tid=0x00000000477b9000 nid=0x525b runnable [0x00007f97353c1000] java.lang.Thread.State: RUNNABLE at java.util.HashMap.get(HashMap.java:303) at org.eclipse.jst.jsp.core.internal.contenttype.DeploymentDescriptorPropertyCache.getWebXMLPath(DeploymentDescriptorPropertyCache.java:924) - locked <0x00000000cf3b50d0> (a java.lang.Object) at org.eclipse.jst.jsp.core.internal.contenttype.DeploymentDescriptorPropertyCache.getCachedDescriptor(DeploymentDescriptorPropertyCache.java:800) at org.eclipse.jst.jsp.core.internal.contenttype.DeploymentDescriptorPropertyCache.getPropertyGroups(DeploymentDescriptorPropertyCache.java:873) This is with the plugin org.eclipse.jst.jsp.core_1.2.400.v201105162116.jar which comes with 3.7. From the qualifier, I guess the fix isn't included.
