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Cannot invoke "org.eclipse.wst.sse.core.internal.provisional.IStructuredModel.addModelStateListener #1621

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UdoW opened this issue Dec 14, 2023 · 2 comments
Open

Cannot invoke "org.eclipse.wst.sse.core.internal.provisional.IStructuredModel.addModelStateListener #1621

UdoW opened this issue Dec 14, 2023 · 2 comments

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@UdoW
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UdoW commented Dec 14, 2023

Steps to reproduce:

  1. I installed Eclipse 2023-12 Java edition.
  2. I created a simple Maven project.
  3. I tried to open the pom.xml file with the Maven POM editor.
  4. The file is shown in an editor and immediatelly the editor is closed.
  5. In the error log you could find the stack trace below.
eclipse.buildId=4.30.0.20231201-1200
java.version=17.0.9
java.vendor=Eclipse Adoptium
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=de_DE
Framework arguments:  -product org.eclipse.epp.package.java.product
Command-line arguments:  -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.java.product

org.eclipse.m2e.editor
Error
Wed Dec 13 14:14:06 CET 2023
Cannot invoke "org.eclipse.wst.sse.core.internal.provisional.IStructuredModel.addModelStateListener(org.eclipse.wst.sse.core.internal.provisional.IModelStateListener)" because the return value of "org.eclipse.m2e.editor.pom.MavenPomEditor.getModel()" is null

java.lang.NullPointerException: Cannot invoke "org.eclipse.wst.sse.core.internal.provisional.IStructuredModel.addModelStateListener(org.eclipse.wst.sse.core.internal.provisional.IModelStateListener)" because the return value of "org.eclipse.m2e.editor.pom.MavenPomEditor.getModel()" is null
	at org.eclipse.m2e.editor.pom.MavenPomEditorPage.setActive(MavenPomEditorPage.java:244)
	at org.eclipse.ui.forms.editor.FormEditor.pageChange(FormEditor.java:495)
	at org.eclipse.m2e.editor.pom.MavenPomEditor.pageChange(MavenPomEditor.java:454)
	at org.eclipse.ui.part.MultiPageEditorPart.lambda$1(MultiPageEditorPart.java:271)
	at org.eclipse.swt.events.SelectionListener$1.widgetSelected(SelectionListener.java:84)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:252)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4273)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1066)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1090)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1075)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:778)
	at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3252)
	at org.eclipse.swt.custom.CTabFolder.onFocus(CTabFolder.java:1749)
	at org.eclipse.swt.custom.CTabFolder.lambda$0(CTabFolder.java:327)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4273)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1066)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1090)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1071)
	at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:2941)
	at org.eclipse.swt.widgets.Widget.wmSetFocus(Widget.java:2321)
	at org.eclipse.swt.widgets.Control.WM_SETFOCUS(Control.java:5425)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4816)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5039)
	at org.eclipse.swt.internal.win32.OS.SetFocus(Native Method)
	at org.eclipse.swt.widgets.Control.forceFocus(Control.java:1092)
	at org.eclipse.swt.widgets.Control.setFocus(Control.java:3440)
	at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1081)
	at org.eclipse.swt.custom.CTabFolder.setFocus(CTabFolder.java:2690)
	at org.eclipse.swt.widgets.Control.fixFocus(Control.java:1049)
	at org.eclipse.swt.widgets.Control.setVisible(Control.java:3952)
	at org.eclipse.swt.custom.CTabItem.setControl(CTabItem.java:352)
	at org.eclipse.ui.part.MultiPageEditorPart.createItem(MultiPageEditorPart.java:307)
	at org.eclipse.ui.part.MultiPageEditorPart.addPage(MultiPageEditorPart.java:230)
	at org.eclipse.ui.forms.editor.FormEditor.addPage(FormEditor.java:331)
	at org.eclipse.ui.part.MultiPageEditorPart.addPage(MultiPageEditorPart.java:203)
	at org.eclipse.ui.forms.editor.FormEditor.addPage(FormEditor.java:313)
	at org.eclipse.m2e.editor.pom.MavenPomEditor.addFallbackEditors(MavenPomEditor.java:349)
	at org.eclipse.m2e.editor.pom.MavenPomEditor.addPages(MavenPomEditor.java:337)
	at org.eclipse.ui.forms.editor.FormEditor.createPages(FormEditor.java:143)
	at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:333)
	at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.createPartControl(CompatibilityPart.java:158)
	at org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor.createPartControl(CompatibilityEditor.java:96)
	at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:365)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58)
	at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:976)
	at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:938)
	at org.eclipse.e4.core.internal.di.InjectorImpl.internalInject(InjectorImpl.java:138)
	at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:385)
	at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:311)
	at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:203)
	at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:91)
	at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:60)
	at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:42)
	at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:132)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:995)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:659)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:763)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:728)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:47)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:712)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.lambda$0(PartServiceImpl.java:105)
	at org.eclipse.e4.ui.services.internal.events.UIEventHandler.lambda$0(UIEventHandler.java:38)
	at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:183)
	at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:133)
	at org.eclipse.swt.widgets.Display.syncExec(Display.java:4802)
	at org.eclipse.e4.ui.workbench.swt.DisplayUISynchronize.syncExec(DisplayUISynchronize.java:34)
	at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:38)
	at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:208)
	at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:206)
	at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1)
	at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234)
	at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:151)
	at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:133)
	at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:75)
	at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:44)
	at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:55)
	at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:63)
	at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:424)
	at org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElementGen(ElementContainerImpl.java:170)
	at org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElement(ElementContainerImpl.java:188)
	at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.showElementInWindow(ModelServiceImpl.java:661)
	at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.bringToTop(ModelServiceImpl.java:625)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.delegateBringToTop(PartServiceImpl.java:796)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.bringToTop(PartServiceImpl.java:401)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:1270)
	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3233)
	at org.eclipse.ui.internal.WorkbenchPage.lambda$11(WorkbenchPage.java:3123)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3121)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3091)
	at org.eclipse.ui.actions.OpenWithMenu.openEditor(OpenWithMenu.java:325)
	at org.eclipse.ui.actions.OpenWithMenu.lambda$0(OpenWithMenu.java:182)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4273)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1066)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4071)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3659)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1155)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:342)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155)
	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:648)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:342)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:555)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:173)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:152)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1459)
@UdoW
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UdoW commented Dec 26, 2023

To clarify: I cannot open any pom.xml file by double-clicking the file name in the package explorer in the Java perspective!

@mickaelistria
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Can you please try opening that file with the "Generic Text Editor" ?

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@mickaelistria @UdoW