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Bug 341358

Summary:

error pop up on JavaScript proposal

Product:

[WebTools] JSDT

Reporter:

Philippe Marschall <philippe.marschall>

Component:

General

Assignee:

Chris Jaun <cmjaun>

Status:

RESOLVED FIXED

QA Contact:

Nitin Dahyabhai <thatnitind>

Severity:

normal

Priority:

CC:

cmjaun, Michael_Rennie

Version:

3.3

Flags:

thatnitind: review+

Target Milestone:

3.2.4

Hardware:

OS:

Linux

Whiteboard:

Attachments:

Description	Flags
minimal file to reproduce the bug	none
patch	none

Description Philippe Marschall

2011-03-30 09:44:05 EDT

What steps will reproduce the problem?
1. Open the attached .js file
2. put the cursor after toInsert.
3. hit Ctrl + Space

An error pop up shows up and the stack trace below is in the error log.

JavaScript Development Tools	1.3.0.v201103031824-7F78FVqFBBoPbVSCXSXuk6	org.eclipse.wst.jsdt.feature.feature.group

-- Error Details --
Date: Wed Mar 30 15:38:48 CEST 2011
Message: The 'org.eclipse.wst.jsdt.ui.JavaNoTypeCompletionProposalComputer' proposal computer from the 'org.eclipse.wst.jsdt.ui' plug-in did not complete normally. The extension has thrown a runtime exception.
Severity: Warning
Product: Eclipse SDK 3.7.0.v201103101119 (org.eclipse.sdk.ide)
Plugin: org.eclipse.wst.jsdt.ui
Session Data:
eclipse.buildId=I20110310-1119
java.version=1.6.0_20
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=en_US
Command-line arguments:  -os linux -ws gtk -arch x86

This is a continuation of log file /home/pmarscha/Documents/Netcetera/workspaces/titrakk/.metadata/.bak_0.log
Created Time: 2011-03-30 15:22:36.393


Exception Stack Trace:
java.lang.NullPointerException
	at org.eclipse.wst.jsdt.internal.compiler.lookup.ArrayBinding.superclass(ArrayBinding.java:197)
	at org.eclipse.wst.jsdt.internal.codeassist.CompletionEngine.findFields(CompletionEngine.java:3262)
	at org.eclipse.wst.jsdt.internal.codeassist.CompletionEngine.findFieldsAndMethods(CompletionEngine.java:3414)
	at org.eclipse.wst.jsdt.internal.codeassist.CompletionEngine.complete(CompletionEngine.java:1696)
	at org.eclipse.wst.jsdt.internal.codeassist.CompletionEngine.complete(CompletionEngine.java:2387)
	at org.eclipse.wst.jsdt.internal.core.Openable.codeComplete(Openable.java:135)
	at org.eclipse.wst.jsdt.internal.core.CompilationUnit.codeComplete(CompilationUnit.java:305)
	at org.eclipse.wst.jsdt.internal.core.CompilationUnit.codeComplete(CompilationUnit.java:298)
	at org.eclipse.wst.jsdt.internal.ui.text.java.JavaCompletionProposalComputer.internalComputeCompletionProposals(JavaCompletionProposalComputer.java:174)
	at org.eclipse.wst.jsdt.internal.ui.text.java.JavaCompletionProposalComputer.computeCompletionProposals(JavaCompletionProposalComputer.java:142)
	at org.eclipse.wst.jsdt.internal.ui.text.java.CompletionProposalComputerDescriptor.computeCompletionProposals(CompletionProposalComputerDescriptor.java:298)
	at org.eclipse.wst.jsdt.internal.ui.text.java.CompletionProposalCategory.computeCompletionProposals(CompletionProposalCategory.java:258)
	at org.eclipse.wst.jsdt.internal.ui.text.java.ContentAssistProcessor.collectProposals(ContentAssistProcessor.java:244)
	at org.eclipse.wst.jsdt.internal.ui.text.java.ContentAssistProcessor.computeCompletionProposals(ContentAssistProcessor.java:213)
	at org.eclipse.jface.text.contentassist.ContentAssistant.computeCompletionProposals(ContentAssistant.java:1830)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.computeProposals(CompletionProposalPopup.java:556)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.access$16(CompletionProposalPopup.java:553)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup$2.run(CompletionProposalPopup.java:488)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.showProposals(CompletionProposalPopup.java:482)
	at org.eclipse.jface.text.contentassist.ContentAssistant.showPossibleCompletions(ContentAssistant.java:1656)
	at org.eclipse.wst.jsdt.internal.ui.javaeditor.CompilationUnitEditor$AdaptedSourceViewer.doOperation(CompilationUnitEditor.java:168)
	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: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:476)
	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
	at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:468)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:786)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:885)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:567)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(WorkbenchKeyboard.java:508)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter.handleEvent(WorkbenchKeyboard.java:123)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1525)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1257)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1282)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1267)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1294)
	at org.eclipse.swt.widgets.Widget.gtk_key_press_event(Widget.java:730)
	at org.eclipse.swt.widgets.Control.gtk_key_press_event(Control.java:2978)
	at org.eclipse.swt.widgets.Composite.gtk_key_press_event(Composite.java:734)
	at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:1743)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4965)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4388)
	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:8296)
	at org.eclipse.swt.widgets.Display.eventProc(Display.java:1239)
	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:2258)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3187)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1410)

Comment 1 Philippe Marschall

2011-03-30 09:44:41 EDT

Created attachment 192187 [details]
minimal file to reproduce the bug

Comment 2 Chris Jaun

2011-03-30 13:47:45 EDT

Created attachment 192215 [details]
patch

Comment 3 Chris Jaun

2011-03-30 15:23:25 EDT

Checked into 3.2.4 and HEAD.

Comment 4 Chris Jaun

2011-03-30 15:45:39 EDT

*** Bug 338855 has been marked as a duplicate of this bug. ***