Description Andreas Sewe 2018-07-23 13:43:59 EDT

Using Eclipse 2018-09 M1 on a project with Java 8 JRE, I get the following exception triggering Snipmatch at the indicated location:


public class Foo {
	@Override
	public String toString() {
		<Ctrl+Alt+Space>
	}
}

java.lang.NullPointerException
	at java.util.Objects.requireNonNull(Objects.java:203)
	at java.util.Arrays$ArrayList.<init>(Arrays.java:3813)
	at java.util.Arrays.asList(Arrays.java:3800)
	at org.eclipse.jface.text.contentassist.ContentAssistant$4.lambda$0(ContentAssistant.java:2050)
	at java.util.Collections$SingletonSet.forEach(Collections.java:4767)
	at org.eclipse.jface.text.contentassist.ContentAssistant$4.run(ContentAssistant.java:2049)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.jface.text.contentassist.ContentAssistant.computeContextInformation(ContentAssistant.java:2046)
	at org.eclipse.jface.text.contentassist.ContentAssistSubjectControlAdapter.computeContextInformation(ContentAssistSubjectControlAdapter.java:376)
	at org.eclipse.jface.text.contentassist.ContextInformationPopup.computeContextInformation(ContextInformationPopup.java:403)
	at org.eclipse.jface.text.contentassist.ContextInformationPopup.access$1(ContextInformationPopup.java:402)
	at org.eclipse.jface.text.contentassist.ContextInformationPopup$1.run(ContextInformationPopup.java:189)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:71)
	at org.eclipse.jface.text.contentassist.ContextInformationPopup.showContextProposals(ContextInformationPopup.java:183)
	at org.eclipse.jface.text.contentassist.ContentAssistant.showContextInformation(ContentAssistant.java:1879)
	at org.eclipse.recommenders.internal.snipmatch.rcp.completion.SnipmatchCompletionEngine$6.modifyText(SnipmatchCompletionEngine.java:253)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:180)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5686)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1370)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1396)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1379)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1164)
	at org.eclipse.swt.custom.StyledText.modifyContent(StyledText.java:7371)
	at org.eclipse.swt.custom.StyledText.sendKeyEvent(StyledText.java:8227)
	at org.eclipse.swt.custom.StyledText.doContent(StyledText.java:2499)
	at org.eclipse.swt.custom.StyledText.handleKey(StyledText.java:6011)
	at org.eclipse.swt.custom.StyledText.handleKeyDown(StyledText.java:6042)
	at org.eclipse.swt.custom.StyledText.lambda$1(StyledText.java:5740)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5686)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1370)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1396)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1379)
	at org.eclipse.swt.widgets.Widget.sendIMKeyEvent(Widget.java:1458)
	at org.eclipse.swt.widgets.Control.gtk_commit(Control.java:3499)
	at org.eclipse.swt.widgets.Canvas.gtk_commit(Canvas.java:165)
	at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:1967)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:6521)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5903)
	at org.eclipse.swt.internal.gtk.GTK._gtk_im_context_filter_keypress(Native Method)
	at org.eclipse.swt.internal.gtk.GTK.gtk_im_context_filter_keypress(GTK.java:3499)
	at org.eclipse.swt.widgets.Control.filterKey(Control.java:2705)
	at org.eclipse.swt.widgets.Control.gtk_key_press_event(Control.java:3784)
	at org.eclipse.swt.widgets.Composite.gtk_key_press_event(Composite.java:860)
	at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:1986)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:6521)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5903)
	at org.eclipse.swt.internal.gtk.GTK._gtk_main_do_event(Native Method)
	at org.eclipse.swt.internal.gtk.GTK.gtk_main_do_event(GTK.java:4117)
	at org.eclipse.swt.widgets.Display.eventProc(Display.java:1384)
	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:1578)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4516)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1170)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1059)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:625)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:560)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:152)
	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:388)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
	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:656)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:592)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1498)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1471)