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Created attachment 284735 [details] Screenshot showing missing markers and broken editor The markers stop being added when it reaches this a particular Java file. When I double click on the file to open it, I get the pop up saying "offset x, count -x, length x" and a broken editor. This stacktrace is in the logs. !ENTRY org.eclipse.jface 4 2 2020-11-11 15:23:40.750 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface". !STACK 0 java.lang.StringIndexOutOfBoundsException: offset 17308, count -9048, length 24227 at java.base/java.lang.String.checkBoundsOffCount(String.java:3304) at java.base/java.lang.String.rangeCheck(String.java:280) at java.base/java.lang.String.<init>(String.java:276) at org.eclipse.jdt.internal.compiler.parser.Scanner.disambiguatedToken(Scanner.java:5491) at org.eclipse.jdt.internal.compiler.parser.Scanner.getNextToken(Scanner.java:1461) at org.eclipse.jdt.internal.compiler.parser.diagnose.LexStream.readTokenFromScanner(LexStream.java:84) at org.eclipse.jdt.internal.compiler.parser.diagnose.LexStream.token(LexStream.java:154) at org.eclipse.jdt.internal.compiler.parser.diagnose.LexStream.kind(LexStream.java:194) at org.eclipse.jdt.internal.compiler.parser.diagnose.DiagnoseParser.diagnoseParse(DiagnoseParser.java:312) at org.eclipse.jdt.internal.compiler.parser.Parser.reportSyntaxErrors(Parser.java:14010) at org.eclipse.jdt.internal.compiler.parser.Parser.parse(Parser.java:12843) at org.eclipse.jdt.internal.compiler.parser.Parser.parse(Parser.java:13152) at org.eclipse.jdt.internal.compiler.ast.MethodDeclaration.parseStatements(MethodDeclaration.java:225) at org.eclipse.jdt.internal.compiler.ast.TypeDeclaration.parseMethods(TypeDeclaration.java:1138) at org.eclipse.jdt.internal.compiler.parser.Parser.getMethodBodies(Parser.java:11825) at org.eclipse.jdt.internal.compiler.SourceElementParser.parseCompilationUnit(SourceElementParser.java:1058) at org.eclipse.jdt.internal.core.CompilationUnit.buildStructure(CompilationUnit.java:195) at org.eclipse.jdt.internal.core.Openable.generateInfos(Openable.java:268) at org.eclipse.jdt.internal.core.JavaElement.openWhenClosed(JavaElement.java:596) at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:326) at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:312) at org.eclipse.jdt.internal.core.JavaElement.getChildren(JavaElement.java:267) at org.eclipse.jdt.internal.core.JavaElement.getChildrenOfType(JavaElement.java:281) at org.eclipse.jdt.internal.core.CompilationUnit.getTypes(CompilationUnit.java:968) at org.eclipse.jdt.internal.corext.refactoring.util.JavaElementUtil.getMainType(JavaElementUtil.java:99) at org.eclipse.jdt.internal.corext.refactoring.RefactoringAvailabilityTester.getSingleSelectedType(RefactoringAvailabilityTester.java:157) at org.eclipse.jdt.ui.actions.ExtractClassAction.selectionChanged(ExtractClassAction.java:85) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchSelectionChanged(SelectionDispatchAction.java:262) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.selectionChanged(SelectionDispatchAction.java:257) at org.eclipse.jface.viewers.Viewer$1.run(Viewer.java:151) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:174) at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:148) at org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:2132) at org.eclipse.jface.viewers.StructuredViewer.handleSelect(StructuredViewer.java:1178) at org.eclipse.jface.viewers.StructuredViewer$4.widgetSelected(StructuredViewer.java:1207) at org.eclipse.jface.util.OpenStrategy.fireSelectionEvent(OpenStrategy.java:242) at org.eclipse.jface.util.OpenStrategy.access$4(OpenStrategy.java:237) at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:402) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4385) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1512) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1535) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1520) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1324) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4172) at org.eclipse.swt.widgets.Display.applicationNextEventMatchingMask(Display.java:5253) at org.eclipse.swt.widgets.Display.applicationProc(Display.java:5652) at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:235) at org.eclipse.swt.widgets.Widget.mouseDownSuper(Widget.java:1146) at org.eclipse.swt.widgets.Tree.mouseDownSuper(Tree.java:2156) at org.eclipse.swt.widgets.Widget.mouseDown(Widget.java:1138) at org.eclipse.swt.widgets.Control.mouseDown(Control.java:2621) at org.eclipse.swt.widgets.Tree.mouseDown(Tree.java:2123) at org.eclipse.swt.widgets.Display.windowProc(Display.java:6012) at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:235) at org.eclipse.swt.widgets.Widget.windowSendEvent(Widget.java:2150) at org.eclipse.swt.widgets.Shell.windowSendEvent(Shell.java:2401) at org.eclipse.swt.widgets.Display.windowProc(Display.java:6136) at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) at org.eclipse.swt.widgets.Display.applicationSendEvent(Display.java:5386) at org.eclipse.swt.widgets.Display.applicationProc(Display.java:5522) at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method) at org.eclipse.swt.internal.cocoa.NSApplication.sendEvent(NSApplication.java:117) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3786) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) Same problem in logs but reach via different route: !ENTRY org.eclipse.jdt.core.manipulation 4 0 2020-11-11 15:23:34.273 !MESSAGE Error in JDT Core during AST creation !STACK 0 java.lang.StringIndexOutOfBoundsException: offset 17308, count -9048, length 24227 at java.base/java.lang.String.checkBoundsOffCount(String.java:3304) at java.base/java.lang.String.rangeCheck(String.java:280) at java.base/java.lang.String.<init>(String.java:276) at org.eclipse.jdt.internal.compiler.parser.Scanner.disambiguatedToken(Scanner.java:5491) at org.eclipse.jdt.internal.compiler.parser.Scanner.getNextToken(Scanner.java:1461) at org.eclipse.jdt.internal.compiler.parser.diagnose.LexStream.readTokenFromScanner(LexStream.java:84) at org.eclipse.jdt.internal.compiler.parser.diagnose.LexStream.token(LexStream.java:154) at org.eclipse.jdt.internal.compiler.parser.diagnose.LexStream.kind(LexStream.java:194) at org.eclipse.jdt.internal.compiler.parser.diagnose.DiagnoseParser.diagnoseParse(DiagnoseParser.java:312) at org.eclipse.jdt.internal.compiler.parser.Parser.reportSyntaxErrors(Parser.java:14010) at org.eclipse.jdt.internal.compiler.parser.Parser.parse(Parser.java:12843) at org.eclipse.jdt.internal.compiler.parser.Parser.parse(Parser.java:13152) at org.eclipse.jdt.internal.compiler.ast.MethodDeclaration.parseStatements(MethodDeclaration.java:225) at org.eclipse.jdt.internal.compiler.ast.TypeDeclaration.parseMethods(TypeDeclaration.java:1138) at org.eclipse.jdt.internal.compiler.parser.Parser.getMethodBodies(Parser.java:11825) at org.eclipse.jdt.internal.compiler.SourceElementParser.parseCompilationUnit(SourceElementParser.java:1058) at org.eclipse.jdt.internal.core.CompilationUnit.buildStructure(CompilationUnit.java:195) at org.eclipse.jdt.internal.core.Openable.generateInfos(Openable.java:268) at org.eclipse.jdt.internal.core.JavaElement.openWhenClosed(JavaElement.java:596) at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:326) at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:312) at org.eclipse.jdt.internal.core.JavaElement.getChildren(JavaElement.java:267) at org.eclipse.jdt.internal.core.JavaElement.getChildrenOfType(JavaElement.java:281) at org.eclipse.jdt.internal.core.CompilationUnit.getTypes(CompilationUnit.java:968) at org.eclipse.jdt.internal.core.NameLookup.<init>(NameLookup.java:282) at org.eclipse.jdt.internal.core.JavaProjectElementInfo.newNameLookup(JavaProjectElementInfo.java:367) at org.eclipse.jdt.internal.core.JavaProject.newNameLookup(JavaProject.java:2823) at org.eclipse.jdt.internal.core.SearchableEnvironment.<init>(SearchableEnvironment.java:93) at org.eclipse.jdt.internal.core.SearchableEnvironment.<init>(SearchableEnvironment.java:123) at org.eclipse.jdt.internal.core.CancelableNameEnvironment.<init>(CancelableNameEnvironment.java:32) at org.eclipse.jdt.internal.core.CancelableNameEnvironment.<init>(CancelableNameEnvironment.java:29) at org.eclipse.jdt.core.dom.CompilationUnitResolver.resolve(CompilationUnitResolver.java:697) at org.eclipse.jdt.core.dom.ASTParser.internalCreateAST(ASTParser.java:1205) at org.eclipse.jdt.core.dom.ASTParser.createAST(ASTParser.java:820) at org.eclipse.jdt.core.manipulation.CoreASTProvider$1.run(CoreASTProvider.java:272) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45) at org.eclipse.jdt.core.manipulation.CoreASTProvider.createAST(CoreASTProvider.java:264) at org.eclipse.jdt.core.manipulation.CoreASTProvider.getAST(CoreASTProvider.java:197) at org.eclipse.jdt.core.manipulation.CoreASTProvider.getAST(CoreASTProvider.java:187) at org.eclipse.jdt.core.manipulation.SharedASTProviderCore.getAST(SharedASTProviderCore.java:138) at org.eclipse.jdt.internal.ui.viewsupport.SelectionListenerWithASTManager$PartListenerGroup.calculateASTandInform(SelectionListenerWithASTManager.java:167) at org.eclipse.jdt.internal.ui.viewsupport.SelectionListenerWithASTManager$PartListenerGroup$1.run(SelectionListenerWithASTManager.java:152) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
*** This bug has been marked as a duplicate of bug 567319 ***