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Bug 325727

Summary:	[Highlighting] CME in HighlightingPresenter
Product:	[Modeling] TMF	Reporter:	Sebastian Zarnekow <sebastian.zarnekow>
Component:	Xtext	Assignee:	Project Inbox <tmf.xtext-inbox>
Status:	CLOSED FIXED	QA Contact:
Severity:	major
Priority:	P3	CC:	sven.efftinge
Version:	1.0.0	Flags:	sebastian.zarnekow: indigo+
Target Milestone:	M2
Hardware:	PC
OS:	Mac OS X - Carbon (unsup.)
Whiteboard:

Description Sebastian Zarnekow

2010-09-20 06:02:36 EDT

UnmodifiableCollection is only a view on the actual collection. Changes to the underlying list affect the "unmodifiable" collection as well which leads to concurrent modification.

java.util.ConcurrentModificationException
	at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:449)
	at java.util.AbstractList$Itr.next(AbstractList.java:420)
	at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1010)
	at org.eclipse.xtext.ui.editor.model.DocumentTokenSource$IRegionIterable$1.computeNext(DocumentTokenSource.java:132)
	at org.eclipse.xtext.ui.editor.model.DocumentTokenSource$IRegionIterable$1.computeNext(DocumentTokenSource.java:1)
	at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:135)
	at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:130)
	at com.google.common.collect.Iterators$7.computeNext(Iterators.java:601)
	at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:135)
	at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:130)
	at org.eclipse.xtext.ui.editor.syntaxcoloring.TokenScanner.nextToken(TokenScanner.java:51)
	at org.eclipse.jface.text.rules.DefaultDamagerRepairer.createPresentation(DefaultDamagerRepairer.java:169)
	at org.eclipse.jface.text.presentation.PresentationReconciler.createPresentation(PresentationReconciler.java:453)
	at org.eclipse.xtext.ui.editor.XtextPresentationReconciler.createRepairDescription(XtextPresentationReconciler.java:30)
	at org.eclipse.xtext.ui.editor.syntaxcoloring.HighlightingPresenter.createPresentation(HighlightingPresenter.java:332)
	at org.eclipse.xtext.ui.editor.syntaxcoloring.HighlightingReconciler.modelChanged(HighlightingReconciler.java:280)
	at org.eclipse.xtext.ui.editor.model.XtextDocument.notifyModelListeners(XtextDocument.java:114)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.afterModify(XtextDocument.java:166)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.afterModify(XtextDocument.java:1)
	at org.eclipse.xtext.util.concurrent.IStateAccess$AbstractImpl.modify(IStateAccess.java:58)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.modify(XtextDocument.java:173)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.process(XtextDocument.java:194)
	at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler$DocumentListener.performNecessaryUpdates(XtextReconciler.java:77)
	at org.eclipse.xtext.ui.editor.model.XtextDocument.updateContentBeforeRead(XtextDocument.java:131)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.beforeReadOnly(XtextDocument.java:149)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.beforeReadOnly(XtextDocument.java:1)
	at org.eclipse.xtext.util.concurrent.IStateAccess$AbstractImpl.readOnly(IStateAccess.java:39)
	at org.eclipse.xtext.ui.editor.model.XtextDocument.readOnly(XtextDocument.java:82)
	at org.eclipse.xtext.ui.editor.validation.ValidationJob.createIssues(ValidationJob.java:75)
	at org.eclipse.xtext.ui.editor.validation.ValidationJob.run(ValidationJob.java:64)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)

Comment 1 Sebastian Zarnekow

2010-09-20 06:03:01 EDT

Every subsequent operation / attemt to update the highlighting fails.

Comment 2 Sven Efftinge

2010-09-21 03:31:36 EDT

fixed

Comment 3 Karsten Thoms

2017-09-19 16:41:55 EDT

Closing bug which were set to RESOLVED before Eclipse Neon.0.