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Bug 358316 - NPE in MasterDetailsContentNode.isChildNodeFactoryProperty
Summary: NPE in MasterDetailsContentNode.isChildNodeFactoryProperty
Status: RESOLVED DUPLICATE of bug 357645
Alias: None
Product: z_Archived
Classification: Eclipse Foundation
Component: Sapphire (show other bugs)
Version: unspecified   Edit
Hardware: All All
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: Konstantin Komissarchik CLA
QA Contact:
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Depends on:
Blocks:
 
Reported: 2011-09-20 18:26 EDT by Shenxue Zhou CLA
Modified: 2021-11-19 09:21 EST (History)
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Description Shenxue Zhou CLA 2011-09-20 18:26:28 EDT 
I was playing around with an existing Sapphire based xml editor and kept hitting the following exception:

java.lang.NullPointerException
	at org.eclipse.sapphire.ui.form.editors.masterdetails.MasterDetailsContentNode.isChildNodeFactoryProperty(MasterDetailsContentNode.java:639)
	at org.eclipse.sapphire.ui.form.editors.masterdetails.MasterDetailsContentNode.handleModelElementChange(MasterDetailsContentNode.java:765)
	at org.eclipse.sapphire.ui.SapphirePart$1.propertyChanged(SapphirePart.java:105)
	at org.eclipse.sapphire.modeling.ModelElement.notifyPropertyChangeListeners(ModelElement.java:1280)
	at org.eclipse.sapphire.modeling.ModelElement.notifyPropertyChangeListeners(ModelElement.java:1256)
	at org.eclipse.sapphire.modeling.ModelElementList.refresh(ModelElementList.java:186)
	at org.eclipse.sapphire.modeling.ModelElementList.init(ModelElementList.java:63)
	at oracle.eclipse.tools.weblogic.descriptors.internal.WebLogicAppDescriptor.refreshProperty(WebLogicAppDescriptor.java:902)
	at org.eclipse.sapphire.modeling.ModelElement.refresh(ModelElement.java:457)
	at org.eclipse.sapphire.modeling.ModelElement.refresh(ModelElement.java:450)
	at oracle.eclipse.tools.weblogic.descriptors.internal.WebLogicAppDescriptor.getLifecycleListeners(WebLogicAppDescriptor.java:302)
	at oracle.eclipse.tools.weblogic.descriptors.internal.WebLogicAppDescriptor.read(WebLogicAppDescriptor.java:1268)
	at org.eclipse.sapphire.ui.SapphirePropertyEditor.computeValidationState(SapphirePropertyEditor.java:484)
	at org.eclipse.sapphire.ui.SapphirePart.updateValidationState(SapphirePart.java:260)
	at org.eclipse.sapphire.ui.SapphirePart.init(SapphirePart.java:149)
	at org.eclipse.sapphire.ui.SapphirePart.create(SapphirePart.java:851)
	at org.eclipse.sapphire.ui.SapphirePartContainer.init(SapphirePartContainer.java:62)
	at org.eclipse.sapphire.ui.SapphireSection.init(SapphireSection.java:59)
	at org.eclipse.sapphire.ui.SapphirePart.init(SapphirePart.java:147)
	at org.eclipse.sapphire.ui.form.editors.masterdetails.MasterDetailsContentNode.init(MasterDetailsContentNode.java:230)
	at org.eclipse.sapphire.ui.SapphirePart.init(SapphirePart.java:147)
	at org.eclipse.sapphire.ui.form.editors.masterdetails.MasterDetailsContentNode.init(MasterDetailsContentNode.java:272)
	at org.eclipse.sapphire.ui.SapphirePart.init(SapphirePart.java:147)
	at org.eclipse.sapphire.ui.form.editors.masterdetails.MasterDetailsContentOutline.getRoot(MasterDetailsContentOutline.java:82)
	at org.eclipse.sapphire.ui.form.editors.masterdetails.MasterDetailsEditorPage$5.getElements(MasterDetailsEditorPage.java:583)
	at org.eclipse.jface.viewers.StructuredViewer.getRawChildren(StructuredViewer.java:1010)
	at org.eclipse.jface.viewers.ColumnViewer.getRawChildren(ColumnViewer.java:703)
	at org.eclipse.jface.viewers.AbstractTreeViewer.getRawChildren(AbstractTreeViewer.java:1336)
	at org.eclipse.jface.viewers.TreeViewer.getRawChildren(TreeViewer.java:391)
	at org.eclipse.jface.viewers.StructuredViewer.getFilteredChildren(StructuredViewer.java:917)
	at org.eclipse.jface.viewers.AbstractTreeViewer.getSortedChildren(AbstractTreeViewer.java:605)
	at org.eclipse.jface.viewers.AbstractTreeViewer$1.run(AbstractTreeViewer.java:805)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:782)
	at org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:644)
	at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:753)
	at org.eclipse.jface.viewers.AbstractTreeViewer.internalInitializeTree(AbstractTreeViewer.java:1533)
	at org.eclipse.jface.viewers.TreeViewer.internalInitializeTree(TreeViewer.java:833)
	at org.eclipse.jface.viewers.AbstractTreeViewer$5.run(AbstractTreeViewer.java:1517)
	at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1443)
	at org.eclipse.jface.viewers.TreeViewer.preservingSelection(TreeViewer.java:403)
	at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1404)
	at org.eclipse.jface.viewers.AbstractTreeViewer.inputChanged(AbstractTreeViewer.java:1510)
	at org.eclipse.ui.dialogs.FilteredTree$NotifyingTreeViewer.inputChanged(FilteredTree.java:1187)
	at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:280)
	at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1690)
	at org.eclipse.sapphire.ui.form.editors.masterdetails.MasterDetailsEditorPage.createContentOutline(MasterDetailsEditorPage.java:792)
	at org.eclipse.sapphire.ui.form.editors.masterdetails.MasterDetailsEditorPage.access$2(MasterDetailsEditorPage.java:569)
	at org.eclipse.sapphire.ui.form.editors.masterdetails.MasterDetailsEditorPage$MasterSection.<init>(MasterDetailsEditorPage.java:1388)
	at org.eclipse.sapphire.ui.form.editors.masterdetails.MasterDetailsEditorPage$RootSection.createMasterPart(MasterDetailsEditorPage.java:1271)
	at org.eclipse.ui.forms.MasterDetailsBlock.createContent(MasterDetailsBlock.java:161)
	at org.eclipse.ui.forms.MasterDetailsBlock.createContent(MasterDetailsBlock.java:142)
	at org.eclipse.sapphire.ui.form.editors.masterdetails.MasterDetailsEditorPage$RootSection.createContent(MasterDetailsEditorPage.java:1247)
	at org.eclipse.sapphire.ui.form.editors.masterdetails.MasterDetailsEditorPage.createFormContent(MasterDetailsEditorPage.java:279)
	at org.eclipse.ui.forms.editor.FormPage$1.run(FormPage.java:152)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.ui.forms.editor.FormPage.createPartControl(FormPage.java:150)
	at org.eclipse.sapphire.ui.SapphireEditorFormPage.createPartControl(SapphireEditorFormPage.java:80)
	at org.eclipse.ui.forms.editor.FormEditor.pageChange(FormEditor.java:471)
	at org.eclipse.sapphire.ui.SapphireEditor.pageChange(SapphireEditor.java:516)
	at org.eclipse.ui.part.MultiPageEditorPart.setActivePage(MultiPageEditorPart.java:1067)
	at org.eclipse.ui.forms.editor.FormEditor.setActivePage(FormEditor.java:603)
	at org.eclipse.sapphire.ui.SapphireEditor.addPages(SapphireEditor.java:403)
	at org.eclipse.ui.forms.editor.FormEditor.createPages(FormEditor.java:138)
	at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:348)
	at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:670)
	at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:465)
	at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595)
	at org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:289)
	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2945)
	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2850)
	at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2842)
	at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2793)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2789)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2773)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2756)
	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:683)
	at org.python.pydev.navigator.actions.PyOpenResourceAction.openFiles(PyOpenResourceAction.java:100)
	at org.python.pydev.navigator.actions.PyOpenPythonFileAction.run(PyOpenPythonFileAction.java:84)
	at org.eclipse.ui.actions.RetargetAction.run(RetargetAction.java:221)
	at org.eclipse.ui.navigator.CommonNavigatorManager$3.open(CommonNavigatorManager.java:185)
	at org.eclipse.ui.OpenAndLinkWithEditorHelper$InternalListener.open(OpenAndLinkWithEditorHelper.java:48)
	at org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:866)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
	at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:864)
	at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1152)
	at org.eclipse.ui.navigator.CommonViewer.handleOpen(CommonViewer.java:462)
	at org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(StructuredViewer.java:1256)
	at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:275)
	at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:269)
	at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:309)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4165)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754)
	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:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	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)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1386)
Comment 1 Konstantin Komissarchik CLA 2011-09-20 19:44:09 EDT 
Duplicate of an existing bug. Have not been able to repro it yet.

*** This bug has been marked as a duplicate of bug 357645 ***