Some Eclipse Foundation services are deprecated, or will be soon. Please ensure you've read this important communication.

Bug 135204

Summary:	NPE when in GenPackageItemProvider.getText
Product:	[Modeling] EMF	Reporter:	Wang Bin <wangbin777>
Component:	Core	Assignee:	Marcelo Paternostro <marcelop>
Status:	RESOLVED DUPLICATE	QA Contact:
Severity:	normal
Priority:	P3	CC:	Ed.Merks
Version:	2.1
Target Milestone:	---
Hardware:	PC
OS:	Windows XP
Whiteboard:

Description Wang Bin

2006-04-06 02:34:58 EDT

Below is the stacktrace

!ENTRY org.eclipse.jface 4 2 2006-04-06 06:25:53.418
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface".
!STACK 0
java.lang.NullPointerException
	at org.eclipse.emf.codegen.ecore.genmodel.provider.GenPackageItemProvider.getText(GenPackageItemProvider.java:437)
	at org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider.getText(AdapterFactoryLabelProvider.java:200)
	at org.eclipse.emf.importer.ui.contribution.base.ModelPackagePage$14.getText(ModelPackagePage.java:569)
	at org.eclipse.jface.viewers.StructuredViewer.buildLabel(StructuredViewer.java:1877)
	at org.eclipse.jface.viewers.TreeViewer.doUpdateItem(TreeViewer.java:231)
	at org.eclipse.jface.viewers.AbstractTreeViewer$UpdateItemSafeRunnable.run(AbstractTreeViewer.java:85)
	at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1044)
	at org.eclipse.core.runtime.Platform.run(Platform.java:783)
	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:44)
	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:148)
	at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:621)
	at org.eclipse.jface.viewers.StructuredViewer$UpdateItemSafeRunnable.run(StructuredViewer.java:434)
	at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1044)
	at org.eclipse.core.runtime.Platform.run(Platform.java:783)
	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:44)
	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:148)
	at org.eclipse.jface.viewers.StructuredViewer.updateItem(StructuredViewer.java:1763)
	at org.eclipse.jface.viewers.AbstractTreeViewer.createTreeItem(AbstractTreeViewer.java:535)
	at org.eclipse.jface.viewers.AbstractTreeViewer$1.run(AbstractTreeViewer.java:514)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69)
	at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:494)
	at org.eclipse.jface.viewers.AbstractTreeViewer.internalExpandToLevel(AbstractTreeViewer.java:1122)
	at org.eclipse.jface.viewers.AbstractTreeViewer.expandToLevel(AbstractTreeViewer.java:658)
	at org.eclipse.emf.importer.ui.contribution.base.ModelPackagePage$10.widgetSelected(ModelPackagePage.java:522)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:90)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:843)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3125)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2758)
	at org.eclipse.jface.window.Window.runEventLoop(Window.java:809)
	at org.eclipse.jface.window.Window.open(Window.java:787)
	at org.eclipse.ui.actions.NewWizardAction.run(NewWizardAction.java:181)
	at org.eclipse.jface.action.Action.runWithEvent(Action.java:996)
	at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:538)
	at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:488)
	at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:400)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:843)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3125)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2758)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1699)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1663)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:367)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:143)
	at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:103)
	at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:226)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:376)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:163)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.eclipse.core.launcher.Main.invokeFramework(Main.java:334)
	at org.eclipse.core.launcher.Main.basicRun(Main.java:278)
	at org.eclipse.core.launcher.Main.run(Main.java:973)
	at org.eclipse.core.launcher.Main.main(Main.java:948)

Comment 1 Ed Merks

2006-04-06 12:23:05 EDT

It sounds like your GenModel is in rough shape for this to happen.  We need to trap that at it's source before it causes problems like this.

*** This bug has been marked as a duplicate of 104727 ***