Could you please take a thread dump during the hang?

Sorry but how to do it.

by the way

<%@ include file="<%=" %> is a key for a bug to ocure.

I changed it to

<jsp:include page="#{item.include}"/>

and we working Ok.

here are the dump

by the way, before i kill it.

memory usage was rising from 50m to 120 m about a 1m per second, around 120 the rising slows and gone only to 122 im several minutes

Good luck.

7757: reproduced as described by reporter. The infinite chain of exceptions is in log:
java.lang.StringIndexOutOfBoundsException: String index out of range: -1 at java.lang.String.substring(String.java:1938) at com.intellij.psi.impl.source.resolve.reference.impl.providers.JavaClassReferenceProvider.getReferencesByElement(JavaClassReferenceProvider.java:23) at com.intellij.psi.impl.source.resolve.reference.impl.providers.JavaClassReferenceProvider.getReferencesByElement(JavaClassReferenceProvider.java:41) at com.intellij.psi.impl.source.resolve.ResolveUtil.getReferencesFromProviders(ResolveUtil.java:56) at com.intellij.psi.impl.source.xml.XmlAttributeValueImpl.getReferences(XmlAttributeValueImpl.java:2) at com.intellij.psi.jsp.JspUtil.resolvePsiFileReferenceInAttribute(JspUtil.java:226) at com.intellij.psi.jsp.JspUtil.resolveFileReferenceInAttribute(JspUtil.java:215) at com.intellij.psi.jsp.JspUtil.resolveIncludeDirective(JspUtil.java:242) at com.intellij.lang.jsp.JspFileViewProviderImpl.getKnownPrefixesInner(JspFileViewProviderImpl.java:144) at com.intellij.lang.jsp.JspFileViewProviderImpl.access$100(JspFileViewProviderImpl.java:40) at com.intellij.lang.jsp.JspFileViewProviderImpl$1.compute(JspFileViewProviderImpl.java:59) at com.intellij.lang.jsp.JspFileViewProviderImpl$1.compute(JspFileViewProviderImpl.java:56) at com.intellij.openapi.util.FieldCache.get(FieldCache.java:51) at com.intellij.lang.jsp.JspFileViewProviderImpl.getKeyPrefixes(JspFileViewProviderImpl.java:78) at com.intellij.lang.jsp.JspFileViewProviderImpl.getTemplateDataLanguage(JspFileViewProviderImpl.java:73) at com.intellij.lang.jsp.JspFileViewProviderImpl.getRelevantLanguages(JspFileViewProviderImpl.java:179) at com.intellij.psi.impl.smartPointers.SmartPointerManagerImpl.synchronizePointers(SmartPointerManagerImpl.java:85) at com.intellij.psi.impl.PsiDocumentManagerImpl.commit(PsiDocumentManagerImpl.java:202) at com.intellij.psi.impl.PsiDocumentManagerImpl$1.run(PsiDocumentManagerImpl.java:1) at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:98) at com.intellij.psi.impl.PsiDocumentManagerImpl.a(PsiDocumentManagerImpl.java:24) at com.intellij.psi.impl.PsiDocumentManagerImpl.commitDocument(PsiDocumentManagerImpl.java:172) at com.intellij.psi.impl.PsiDocumentManagerImpl.commitAllDocuments(PsiDocumentManagerImpl.java:146) at com.intellij.codeInsight.daemon.impl.TextEditorBackgroundHighlighter.a(TextEditorBackgroundHighlighter.java:28) at com.intellij.codeInsight.daemon.impl.TextEditorBackgroundHighlighter.createPassesForEditor(TextEditorBackgroundHighlighter.java:8) at com.intellij.codeInsight.daemon.impl.TextEditorBackgroundHighlighter.createPassesForEditor(TextEditorBackgroundHighlighter.java:9) at com.intellij.codeInsight.daemon.impl.DaemonCodeAnalyzerImpl$2.run(DaemonCodeAnalyzerImpl.java:10) at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:19) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:597) at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:131) at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:132) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:136) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160) at java.awt.EventDispatchThread.run(EventDispatchThread.java:121) 2008-03-25 18:00:10,072 [1423464] ERROR - pplication.impl.LaterInvocator - IntelliJ IDEA 7.0.3 Build #7757 2008-03-25 18:00:10,072 [1423464] ERROR - pplication.impl.LaterInvocator - JDK: 1.6.0_04 2008-03-25 18:00:10,072 [1423464] ERROR - pplication.impl.LaterInvocator - VM: Java HotSpot(TM) Client VM 2008-03-25 18:00:10,072 [1423464] ERROR - pplication.impl.LaterInvocator - Vendor: Sun Microsystems Inc. 2008-03-25 18:00:10,072 [1423464] ERROR - pplication.impl.LaterInvocator - OS: Windows XP 2008-03-25 18:00:10,072 [1423464] ERROR - pplication.impl.LaterInvocator - Last Action: EditorLeft

7773, 8254: fix confirmed. Covers described case:
<%@ include file="<%=" %>