org.eclipse.core.runtime.AssertionFailedException when editing ftl file ----------------------------------------------------------------------- Key: JBIDE-18244 URL: https://issues.jboss.org/browse/JBIDE-18244 Project: Tools (JBoss Tools) Issue Type: Bug Components: freemarker Affects Versions: 4.2.0.CR1 Environment: JBDS 8.0.0.CR1 Reporter: Jiri Peterka Assignee: Denis Golovin Fix For: 4.3.0.Beta1 Attachments: assertion-exception.ogv When editing ftl file I received assertion failed exception. See the screencast. What I did was to adding new line and then remove it by back key. Before it I was using code completion (might be related) {code} org.eclipse.core.runtime.AssertionFailedException: assertion failed: at org.eclipse.core.runtime.Assert.isTrue(Assert.java:110) at org.eclipse.core.runtime.Assert.isTrue(Assert.java:96) at org.eclipse.jface.text.Position.setLength(Position.java:185) at org.eclipse.jface.text.rules.FastPartitioner.computePartitioning(FastPartitioner.java:634) at org.eclipse.jface.text.AbstractDocument.computePartitioning(AbstractDocument.java:1430) at org.eclipse.jface.text.TextUtilities.computePartitioning(TextUtilities.java:431) at org.eclipse.jface.text.presentation.PresentationReconciler.createPresentation(PresentationReconciler.java:451) at org.eclipse.jface.text.presentation.PresentationReconciler.processDamage(PresentationReconciler.java:569) at org.eclipse.jface.text.presentation.PresentationReconciler.access$3(PresentationReconciler.java:567) at org.eclipse.jface.text.presentation.PresentationReconciler$InternalListener.textChanged(PresentationReconciler.java:227) at org.eclipse.jface.text.TextViewer.updateTextListeners(TextViewer.java:2830) at org.eclipse.jface.text.TextViewer$VisibleDocumentListener.documentChanged(TextViewer.java:403) at org.eclipse.jface.text.AbstractDocument.doFireDocumentChanged2(AbstractDocument.java:769) at org.eclipse.jface.text.AbstractDocument.doFireDocumentChanged(AbstractDocument.java:736) at org.eclipse.jface.text.AbstractDocument.doFireDocumentChanged(AbstractDocument.java:721) at org.eclipse.jface.text.AbstractDocument.fireDocumentChanged(AbstractDocument.java:796) at org.eclipse.jface.text.AbstractDocument.replace(AbstractDocument.java:1191) at org.eclipse.jface.text.AbstractDocument.replace(AbstractDocument.java:1210) at org.eclipse.jface.text.DefaultDocumentAdapter.replaceTextRange(DefaultDocumentAdapter.java:248) at org.eclipse.swt.custom.StyledText.modifyContent(StyledText.java:7268) at org.eclipse.swt.custom.StyledText.sendKeyEvent(StyledText.java:8111) at org.eclipse.swt.custom.StyledText.doBackspace(StyledText.java:2285) at org.eclipse.swt.custom.StyledText.invokeAction(StyledText.java:7058) at org.eclipse.swt.custom.StyledText.handleKey(StyledText.java:5959) at org.eclipse.swt.custom.StyledText.handleKeyDown(StyledText.java:5986) at org.eclipse.swt.custom.StyledText$7.handleEvent(StyledText.java:5663) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4486) 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.sendKeyEvent(Widget.java:1424) at org.eclipse.swt.widgets.Widget.gtk_key_press_event(Widget.java:824) at org.eclipse.swt.widgets.Control.gtk_key_press_event(Control.java:3269) at org.eclipse.swt.widgets.Composite.gtk_key_press_event(Composite.java:777) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2098) at org.eclipse.swt.widgets.Control.windowProc(Control.java:5510) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4700) at org.eclipse.swt.internal.gtk.OS._gtk_main_do_event(Native Method) at org.eclipse.swt.internal.gtk.OS.gtk_main_do_event(OS.java:9074) at org.eclipse.swt.widgets.Display.eventProc(Display.java:1253) at org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(Native Method) at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(OS.java:2473) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3439) 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:382) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:236) 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:483) 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) {code}