StringIndexOutOfBoundsException when selecting text from a dirty editor

[ylussaud]

Steps to reproduce:

• open a text editor
• add some text at the end of the existing text
• select the added text
• open the mapping submenu

The stack trace:

java.lang.StringIndexOutOfBoundsException: String index out of range: 115
at java.lang.String.substring(String.java:1963)
at org.eclipse.mylyn.docs.intent.mapping.ide.ui.adapter.ObjectToLocationAdapterFactory.textSelectionToLocationDescriptor(ObjectToLocationAdapterFactory.java:192)
at org.eclipse.mylyn.docs.intent.mapping.ide.ui.adapter.ObjectToLocationAdapterFactory.getAdapter(ObjectToLocationAdapterFactory.java:71)
at org.eclipse.core.internal.adapter.AdapterFactoryProxy.getAdapter(AdapterFactoryProxy.java:82)
at org.eclipse.core.internal.runtime.AdapterManager.getAdapter(AdapterManager.java:295)
at org.eclipse.mylyn.docs.intent.mapping.ide.IdeMappingUtils.adapt(IdeMappingUtils.java:220)
at org.eclipse.mylyn.docs.intent.mapping.ide.ui.view.MappingView$6.selectionChanged(MappingView.java:616)
at org.eclipse.ui.internal.e4.compatibility.SelectionService.notifyListeners(SelectionService.java:218)
at org.eclipse.ui.internal.e4.compatibility.SelectionService.handleSelectionChanged(SelectionService.java:107)
at org.eclipse.ui.internal.e4.compatibility.SelectionService.access$0(SelectionService.java:91)
at org.eclipse.ui.internal.e4.compatibility.SelectionService$1.selectionChanged(SelectionService.java:66)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator$2.run(SelectionAggregator.java:125)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator.notifyListeners(SelectionAggregator.java:122)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator.access$5(SelectionAggregator.java:119)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator$7$1.run(SelectionAggregator.java:232)
at org.eclipse.e4.core.contexts.RunAndTrack.runExternalCode(RunAndTrack.java:56)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator$7.changed(SelectionAggregator.java:229)
at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:110)
at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:338)
at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:352)
at org.eclipse.e4.ui.internal.workbench.SelectionServiceImpl.setSelection(SelectionServiceImpl.java:31)
at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.selectionChanged(CompatibilityPart.java:424)
at org.eclipse.jface.viewers.Viewer$2.run(Viewer.java:163)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:178)
at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:160)
at org.eclipse.jface.text.TextViewer.fireSelectionChanged(TextViewer.java:2733)
at org.eclipse.jface.text.TextViewer.selectionChanged(TextViewer.java:2712)
at org.eclipse.jface.text.TextViewer.setSelectedRange(TextViewer.java:2397)
at org.eclipse.jface.text.DefaultTextDoubleClickStrategy.doubleClicked(DefaultTextDoubleClickStrategy.java:210)
at org.eclipse.jface.text.TextViewer$TextDoubleClickStrategyConnector.getPreviousOffset(TextViewer.java:248)
at org.eclipse.swt.custom.StyledTextListener.handleEvent(StyledTextListener.java:91)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4454)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1388)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1412)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1397)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1182)
at org.eclipse.swt.custom.StyledText.sendWordBoundaryEvent(StyledText.java:8206)
at org.eclipse.swt.custom.StyledText.getWordPrevious(StyledText.java:5396)
at org.eclipse.swt.custom.StyledText.getWordPrevious(StyledText.java:5370)
at org.eclipse.swt.custom.StyledText.handleMouseDown(StyledText.java:6069)
at org.eclipse.swt.custom.StyledText$7.handleEvent(StyledText.java:5666)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4454)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1388)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3799)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3409)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
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:380)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
at org.eclipse.equinox.launcher.Main.main(Main.java:1438)