Major Description
Only observed in an installed workbench.
java.lang.NullPointerException at org.eclipse.jface.viewers.StyledString.append(StyledString.java:264) at org.eclipse.jface.viewers.StyledString.<init>(StyledString.java:132) at org.eclipse.jface.viewers.StyledString.<init>(StyledString.java:117) at org.eclipse.dltk.ui.text.completion.ScriptCompletionProposal.<init>(ScriptCompletionProposal.java:71) at org.eclipse.dltk.ui.text.completion.ScriptCompletionProposal.<init>(ScriptCompletionProposal.java:42) at org.apache.uima.ruta.ide.ui.text.completion.RutaScriptCompletionProposal.<init>(RutaScriptCompletionProposal.java:32) at org.apache.uima.ruta.ide.ui.text.completion.RutaCompletionProposalCollector.createScriptCompletionProposal(RutaCompletionProposalCollector.java:48) at org.apache.uima.ruta.ide.ui.text.completion.RutaCompletionProposalCollector.createKeywordProposal(RutaCompletionProposalCollector.java:74) at org.eclipse.dltk.ui.text.completion.ScriptCompletionProposalCollector.createScriptCompletionProposal(ScriptCompletionProposalCollector.java:456) at org.eclipse.dltk.ui.text.completion.ScriptCompletionProposalCollector.processUnprocessedProposal(ScriptCompletionProposalCollector.java:343) at org.eclipse.dltk.ui.text.completion.ScriptCompletionProposalCollector.processUnprocessedProposals(ScriptCompletionProposalCollector.java:301) at org.eclipse.dltk.ui.text.completion.ScriptCompletionProposalCollector.getScriptCompletionProposals(ScriptCompletionProposalCollector.java:283) at org.eclipse.dltk.ui.text.completion.ScriptCompletionProposalComputer.computeScriptCompletionProposals(ScriptCompletionProposalComputer.java:193) at org.eclipse.dltk.ui.text.completion.ScriptCompletionProposalComputer.computeCompletionProposals(ScriptCompletionProposalComputer.java:240) at org.eclipse.dltk.ui.text.completion.CompletionProposalComputerDescriptor.computeCompletionProposals(CompletionProposalComputerDescriptor.java:342) at org.eclipse.dltk.ui.text.completion.CompletionProposalCategory.computeCompletionProposals(CompletionProposalCategory.java:276) at org.eclipse.dltk.ui.text.completion.ContentAssistProcessor.collectProposals(ContentAssistProcessor.java:291) at org.eclipse.dltk.ui.text.completion.ContentAssistProcessor.computeCompletionProposals(ContentAssistProcessor.java:247) at org.eclipse.jface.text.contentassist.ContentAssistant$5.run(ContentAssistant.java:1904) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jface.text.contentassist.ContentAssistant.computeCompletionProposals(ContentAssistant.java:1902) at org.eclipse.jface.text.contentassist.CompletionProposalPopup.computeProposals(CompletionProposalPopup.java:573) at org.eclipse.jface.text.contentassist.CompletionProposalPopup.access$16(CompletionProposalPopup.java:570) at org.eclipse.jface.text.contentassist.CompletionProposalPopup$2.run(CompletionProposalPopup.java:505) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.jface.text.contentassist.CompletionProposalPopup.showProposals(CompletionProposalPopup.java:499) at org.eclipse.jface.text.contentassist.ContentAssistant.showPossibleCompletions(ContentAssistant.java:1720) at org.eclipse.dltk.internal.ui.editor.ScriptEditor$AdaptedSourceViewer.doOperation(ScriptEditor.java:441) at org.eclipse.ui.texteditor.ContentAssistAction$1.run(ContentAssistAction.java:82) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.texteditor.ContentAssistAction.run(ContentAssistAction.java:80) at org.eclipse.jface.action.Action.runWithEvent(Action.java:473) at org.eclipse.jface.commands.ActionHandler.execute(ActionHandler.java:122) at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:90) at sun.reflect.GeneratedMethodAccessor255.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56) at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:252) at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:234) at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132) at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:152) at org.eclipse.core.commands.Command.executeWithChecks(Command.java:493) at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:486) at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:286) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:507) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:558) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.filterKeySequenceBindings(KeyBindingDispatcher.java:378) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.access$0(KeyBindingDispatcher.java:324) at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher$KeyDownFilter.handleEvent(KeyBindingDispatcher.java:86) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1266) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1112) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1137) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1122) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1164) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1160) at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1581) at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:4795) at org.eclipse.swt.widgets.Canvas.WM_CHAR(Canvas.java:343) at org.eclipse.swt.widgets.Control.windowProc(Control.java:4676) at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:339) at org.eclipse.swt.widgets.Display.windowProc(Display.java:5050) at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method) at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2549) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3767) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:654) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:598) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:139) 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(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608) at org.eclipse.equinox.launcher.Main.run(Main.java:1515)