Description Simon Archer 2007-03-12 17:42:32 EDT

Using Eclipse 3.3 M5.

Consider the following code:

public class Main {
  public static void main(String[] args) {
    try {
      try {
        //...
      } finally {
        //...
      }
    } catch () {  // <- Try Ctrl+Space inside parens!
      //...
    }
  }
}

Place the cursor in the "()" of the last catch clause and type Ctrl+Space to summon code assist.  You should get an error dialog (see screen shot) and the following stack trace in your log:

!ENTRY org.eclipse.jdt.ui 2 0 2007-03-12 17:31:49.908
!MESSAGE The 'org.eclipse.jdt.ui.JavaNoTypeCompletionProposalComputer' proposal computer from the 'org.eclipse.jdt.ui' plug-in did not complete normally. The extension has thrown a runtime exception.
!STACK 0
java.lang.NullPointerException
	at org.eclipse.jdt.internal.codeassist.ThrownExceptionFinder.removeCaughtExceptions(ThrownExceptionFinder.java:123)
	at org.eclipse.jdt.internal.codeassist.ThrownExceptionFinder.visit(ThrownExceptionFinder.java:103)
	at org.eclipse.jdt.internal.compiler.ast.TryStatement.traverse(TryStatement.java:848)
	at org.eclipse.jdt.internal.compiler.ast.Block.traverse(Block.java:127)
	at org.eclipse.jdt.internal.codeassist.ThrownExceptionFinder.visit(ThrownExceptionFinder.java:101)
	at org.eclipse.jdt.internal.compiler.ast.TryStatement.traverse(TryStatement.java:848)
	at org.eclipse.jdt.internal.codeassist.ThrownExceptionFinder.find(ThrownExceptionFinder.java:39)
	at org.eclipse.jdt.internal.codeassist.CompletionEngine.computeExpectedTypes(CompletionEngine.java:7742)
	at org.eclipse.jdt.internal.codeassist.CompletionEngine.complete(CompletionEngine.java:822)
	at org.eclipse.jdt.internal.codeassist.CompletionEngine.complete(CompletionEngine.java:1994)
	at org.eclipse.jdt.internal.core.Openable.codeComplete(Openable.java:123)
	at org.eclipse.jdt.internal.core.CompilationUnit.codeComplete(CompilationUnit.java:320)
	at org.eclipse.jdt.internal.core.CompilationUnit.codeComplete(CompilationUnit.java:313)
	at org.eclipse.jdt.internal.ui.text.java.JavaCompletionProposalComputer.internalComputeCompletionProposals(JavaCompletionProposalComputer.java:180)
	at org.eclipse.jdt.internal.ui.text.java.JavaCompletionProposalComputer.computeCompletionProposals(JavaCompletionProposalComputer.java:148)
	at org.eclipse.jdt.internal.ui.text.java.CompletionProposalComputerDescriptor.computeCompletionProposals(CompletionProposalComputerDescriptor.java:303)
	at org.eclipse.jdt.internal.ui.text.java.CompletionProposalCategory.computeCompletionProposals(CompletionProposalCategory.java:264)
	at org.eclipse.jdt.internal.ui.text.java.ContentAssistProcessor.collectProposals(ContentAssistProcessor.java:251)
	at org.eclipse.jdt.internal.ui.text.java.ContentAssistProcessor.computeCompletionProposals(ContentAssistProcessor.java:220)
	at org.eclipse.jface.text.contentassist.ContentAssistant.computeCompletionProposals(ContentAssistant.java:1754)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.computeProposals(CompletionProposalPopup.java:478)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.access$16(CompletionProposalPopup.java:475)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup$2.run(CompletionProposalPopup.java:410)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.showProposals(CompletionProposalPopup.java:404)
	at org.eclipse.jface.text.contentassist.ContentAssistant.showPossibleCompletions(ContentAssistant.java:1583)
	at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor$AdaptedSourceViewer.doOperation(CompilationUnitEditor.java:181)
	at org.eclipse.ui.texteditor.ContentAssistAction$1.run(ContentAssistAction.java:82)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
	at org.eclipse.ui.texteditor.ContentAssistAction.run(ContentAssistAction.java:80)
	at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
	at org.eclipse.ui.commands.ActionHandler.execute(ActionHandler.java:185)
	at org.eclipse.ui.internal.handlers.LegacyHandlerWrapper.execute(LegacyHandlerWrapper.java:109)
	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:471)
	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:424)
	at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:160)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:467)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:791)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:838)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:565)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(WorkbenchKeyboard.java:507)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter.handleEvent(WorkbenchKeyboard.java:124)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
	at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1007)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:937)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:962)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:947)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:975)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:971)
	at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1285)
	at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:3574)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:3474)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4159)
	at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2200)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3102)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2264)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2228)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2103)
	at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:457)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:452)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:101)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:146)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:169)
	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:476)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:416)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1124)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1099)