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eclipse-jdt / eclipse.jdt.ui

Eclipse Public License 2.0
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"Internal Error" reported on copy/paste or rename of a file in explorer #1010

Closed iloveeclipse closed 10 months ago

iloveeclipse commented 10 months ago 
java.lang.reflect.InvocationTargetException
    at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:443)
    at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:354)
    at org.eclipse.ui.internal.WorkbenchWindow.lambda$7(WorkbenchWindow.java:2335)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
    at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2332)
    at org.eclipse.jdt.internal.ui.refactoring.RefactoringExecutionHelper.perform(RefactoringExecutionHelper.java:187)
    at org.eclipse.jdt.internal.ui.refactoring.RefactoringExecutionHelper.perform(RefactoringExecutionHelper.java:151)
    at org.eclipse.jdt.internal.ui.refactoring.reorg.ReorgCopyStarter.run(ReorgCopyStarter.java:71)
    at org.eclipse.jdt.internal.ui.refactoring.reorg.PasteAction$JavaElementAndResourcePaster.paste(PasteAction.java:1368)
    at org.eclipse.jdt.internal.ui.refactoring.reorg.PasteAction.run(PasteAction.java:270)
    at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:276)
    at org.eclipse.jdt.ui.actions.SelectionDispatchAction.lambda$0(SelectionDispatchAction.java:254)
    at org.eclipse.jdt.core.JavaCore.lambda$0(JavaCore.java:6032)
    at org.eclipse.jdt.internal.core.JavaModelManager.cacheZipFiles(JavaModelManager.java:5821)
    at org.eclipse.jdt.internal.core.JavaModelManager.callReadOnlyUnchecked(JavaModelManager.java:5809)
    at org.eclipse.jdt.internal.core.JavaModelManager.callReadOnly(JavaModelManager.java:5797)
    at org.eclipse.jdt.core.JavaCore.callReadOnly(JavaCore.java:6016)
    at org.eclipse.jdt.core.JavaCore.runReadOnly(JavaCore.java:6031)
    at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:254)
    at org.eclipse.jface.action.Action.runWithEvent(Action.java:474)
    at org.eclipse.jface.commands.ActionHandler.execute(ActionHandler.java:121)
    at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:98)
    at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
    at java.base/java.lang.reflect.Method.invoke(Method.java:580)
    at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58)
    at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:298)
    at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:232)
    at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:174)
    at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:165)
    at org.eclipse.core.commands.Command.executeWithChecks(Command.java:488)
    at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:485)
    at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:204)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:308)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:569)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:644)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.filterKeySequenceBindings(KeyBindingDispatcher.java:439)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher$KeyDownFilter.handleEvent(KeyBindingDispatcher.java:96)

Same code, different use case

java.lang.IllegalStateException: Its not allow to modify JavaModel during ReadOnly action.
    at org.eclipse.jdt.internal.core.JavaModelManager.assertModelModifiable(JavaModelManager.java:5786)
    at org.eclipse.jdt.internal.core.DeltaProcessor.registerJavaModelDelta(DeltaProcessor.java:2037)
    at org.eclipse.jdt.internal.core.DeltaProcessor.resourceChanged(DeltaProcessor.java:2163)
    at org.eclipse.jdt.internal.core.DeltaProcessingState.resourceChanged(DeltaProcessingState.java:503)
    at org.eclipse.core.internal.events.NotificationManager$1.run(NotificationManager.java:321)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:47)
    at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:311)
    at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:174)
    at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:458)
    at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1586)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2462)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2473)
    at org.eclipse.ui.actions.WorkspaceModifyOperation.run(WorkspaceModifyOperation.java:131)
    at org.eclipse.ui.internal.editors.text.WorkspaceOperationRunner.run(WorkspaceOperationRunner.java:76)
    at org.eclipse.ui.internal.editors.text.WorkspaceOperationRunner.run(WorkspaceOperationRunner.java:66)
    at org.eclipse.ui.texteditor.AbstractDocumentProvider.executeOperation(AbstractDocumentProvider.java:539)
    at org.eclipse.ui.texteditor.AbstractDocumentProvider.saveDocument(AbstractDocumentProvider.java:614)
    at org.eclipse.ui.texteditor.AbstractTextEditor.performSave(AbstractTextEditor.java:5018)
    at de.jcup.basheditor.BashEditor.performSave(BashEditor.java:944)
    at org.eclipse.ui.texteditor.AbstractTextEditor.doSave(AbstractTextEditor.java:4814)
    at org.eclipse.ui.texteditor.AbstractTextEditor$TextEditorSavable.doSave(AbstractTextEditor.java:7233)
    at org.eclipse.ui.Saveable.doSave(Saveable.java:213)
    at org.eclipse.ui.internal.SaveableHelper.doSaveModel(SaveableHelper.java:326)
    at org.eclipse.ui.internal.SaveablesList.lambda$2(SaveablesList.java:804)
    at org.eclipse.ui.internal.SaveableHelper.lambda$3(SaveableHelper.java:270)
    at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:434)
    at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:354)
    at org.eclipse.ui.internal.WorkbenchWindow.lambda$7(WorkbenchWindow.java:2335)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
    at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2332)
    at org.eclipse.ui.internal.SaveableHelper.runProgressMonitorOperation(SaveableHelper.java:277)
    at org.eclipse.ui.internal.SaveablesList.saveModels(SaveablesList.java:812)
    at org.eclipse.ui.internal.WorkbenchPage.saveAll(WorkbenchPage.java:3615)
    at org.eclipse.ui.internal.Workbench.saveAllEditors(Workbench.java:1330)
    at org.eclipse.ui.internal.Workbench.saveAllEditors(Workbench.java:1309)
    at org.eclipse.jdt.ui.refactoring.RefactoringSaveHelper.saveEditors(RefactoringSaveHelper.java:139)
    at org.eclipse.jdt.internal.ui.refactoring.actions.RefactoringStarter.canActivate(RefactoringStarter.java:59)
    at org.eclipse.jdt.internal.ui.refactoring.actions.RefactoringStarter.activate(RefactoringStarter.java:36)
    at org.eclipse.jdt.internal.corext.refactoring.RefactoringExecutionStarter.startRenameResourceRefactoring(RefactoringExecutionStarter.java:448)
    at org.eclipse.jdt.internal.ui.refactoring.actions.RenameResourceAction.run(RenameResourceAction.java:48)
    at org.eclipse.jdt.ui.actions.RenameAction.run(RenameAction.java:115)
    at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:276)
    at org.eclipse.jdt.ui.actions.SelectionDispatchAction.lambda$0(SelectionDispatchAction.java:254)
    at org.eclipse.jdt.core.JavaCore.lambda$0(JavaCore.java:6032)
    at org.eclipse.jdt.internal.core.JavaModelManager.cacheZipFiles(JavaModelManager.java:5821)
    at org.eclipse.jdt.internal.core.JavaModelManager.callReadOnlyUnchecked(JavaModelManager.java:5809)
    at org.eclipse.jdt.internal.core.JavaModelManager.callReadOnly(JavaModelManager.java:5797)
    at org.eclipse.jdt.core.JavaCore.callReadOnly(JavaCore.java:6016)
    at org.eclipse.jdt.core.JavaCore.runReadOnly(JavaCore.java:6031)
    at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:254)
    at org.eclipse.jface.action.Action.runWithEvent(Action.java:474)
    at org.eclipse.jface.commands.ActionHandler.execute(ActionHandler.java:121)
    at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:98)
    at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
    at java.base/java.lang.reflect.Method.invoke(Method.java:580)
    at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58)
    at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:298)
    at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:232)
    at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:174)
    at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:165)
    at org.eclipse.core.commands.Command.executeWithChecks(Command.java:488)
    at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:485)
    at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:204)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:308)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:569)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:644)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.filterKeySequenceBindings(KeyBindingDispatcher.java:439)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher$KeyDownFilter.handleEvent(KeyBindingDispatcher.java:96)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
    at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1953)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1528)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1555)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1538)
    at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1577)
    at org.eclipse.swt.widgets.Widget.gtk_key_press_event(Widget.java:937)
    at org.eclipse.swt.widgets.Control.gtk_key_press_event(Control.java:4049)
    at org.eclipse.swt.widgets.Composite.gtk_key_press_event(Composite.java:931)
    at org.eclipse.swt.widgets.Tree.gtk_key_press_event(Tree.java:2375)
    at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2507)
    at org.eclipse.swt.widgets.Control.windowProc(Control.java:6883)
    at org.eclipse.swt.widgets.Tree.windowProc(Tree.java:4288)
    at org.eclipse.swt.widgets.Display.windowProc(Display.java:6162)
    at org.eclipse.swt.internal.gtk3.GTK3.gtk_main_do_event(Native Method)
    at org.eclipse.swt.widgets.Display.eventProc(Display.java:1597)
    at org.eclipse.swt.internal.gtk3.GTK3.gtk_main_iteration_do(Native Method)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4513)
jukzi commented 10 months ago

can reproduce. full stacktrace:

java.lang.reflect.InvocationTargetException
    at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:443)
    at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:354)
    at org.eclipse.ui.internal.WorkbenchWindow.lambda$7(WorkbenchWindow.java:2335)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
    at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2332)
    at org.eclipse.jdt.internal.ui.refactoring.RefactoringExecutionHelper.perform(RefactoringExecutionHelper.java:187)
    at org.eclipse.jdt.internal.ui.refactoring.RefactoringExecutionHelper.perform(RefactoringExecutionHelper.java:151)
    at org.eclipse.jdt.internal.ui.refactoring.reorg.ReorgCopyStarter.run(ReorgCopyStarter.java:71)
    at org.eclipse.jdt.internal.ui.refactoring.reorg.PasteAction$JavaElementAndResourcePaster.paste(PasteAction.java:1368)
    at org.eclipse.jdt.internal.ui.refactoring.reorg.PasteAction.run(PasteAction.java:270)
    at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:276)
    at org.eclipse.jdt.ui.actions.SelectionDispatchAction.lambda$0(SelectionDispatchAction.java:254)
    at org.eclipse.jdt.core.JavaCore.lambda$0(JavaCore.java:6032)
    at org.eclipse.jdt.internal.core.JavaModelManager.cacheZipFiles(JavaModelManager.java:5821)
    at org.eclipse.jdt.internal.core.JavaModelManager.callReadOnlyUnchecked(JavaModelManager.java:5809)
    at org.eclipse.jdt.internal.core.JavaModelManager.callReadOnly(JavaModelManager.java:5797)
    at org.eclipse.jdt.core.JavaCore.callReadOnly(JavaCore.java:6016)
    at org.eclipse.jdt.core.JavaCore.runReadOnly(JavaCore.java:6031)
    at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:254)
    at org.eclipse.jface.action.Action.runWithEvent(Action.java:474)
    at org.eclipse.jface.commands.ActionHandler.execute(ActionHandler.java:121)
    at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:98)
    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.invokeUsingClass(InjectorImpl.java:298)
    at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:232)
    at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:174)
    at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:165)
    at org.eclipse.core.commands.Command.executeWithChecks(Command.java:488)
    at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:485)
    at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:204)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:308)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:569)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:644)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.filterKeySequenceBindings(KeyBindingDispatcher.java:439)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher$KeyDownFilter.handleEvent(KeyBindingDispatcher.java:96)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
    at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1286)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1065)
    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.sendKeyEvent(Widget.java:1117)
    at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1113)
    at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1594)
    at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:4866)
    at org.eclipse.swt.widgets.Tree.WM_CHAR(Tree.java:6147)
    at org.eclipse.swt.widgets.Control.windowProc(Control.java:4744)
    at org.eclipse.swt.widgets.Tree.windowProc(Tree.java:6142)
    at org.eclipse.swt.widgets.Display.windowProc(Display.java:5039)
    at org.eclipse.swt.internal.win32.OS.DispatchMessage(Native Method)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1152)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1043)
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:152)
    at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:648)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
    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)
Caused by: java.lang.IllegalStateException: Its not allow to modify JavaModel during ReadOnly action.
    at org.eclipse.jdt.internal.core.JavaModelManager.assertModelModifiable(JavaModelManager.java:5786)
    at org.eclipse.jdt.core.JavaCore.run(JavaCore.java:5966)
    at org.eclipse.jdt.internal.ui.actions.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:108)
    at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:434)
    ... 74 more
Root exception:
java.lang.IllegalStateException: Its not allow to modify JavaModel during ReadOnly action.
    at org.eclipse.jdt.internal.core.JavaModelManager.assertModelModifiable(JavaModelManager.java:5786)
    at org.eclipse.jdt.core.JavaCore.run(JavaCore.java:5966)
    at org.eclipse.jdt.internal.ui.actions.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:108)
    at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:434)
    at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:354)
    at org.eclipse.ui.internal.WorkbenchWindow.lambda$7(WorkbenchWindow.java:2335)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
    at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2332)
    at org.eclipse.jdt.internal.ui.refactoring.RefactoringExecutionHelper.perform(RefactoringExecutionHelper.java:187)
    at org.eclipse.jdt.internal.ui.refactoring.RefactoringExecutionHelper.perform(RefactoringExecutionHelper.java:151)
    at org.eclipse.jdt.internal.ui.refactoring.reorg.ReorgCopyStarter.run(ReorgCopyStarter.java:71)
    at org.eclipse.jdt.internal.ui.refactoring.reorg.PasteAction$JavaElementAndResourcePaster.paste(PasteAction.java:1368)
    at org.eclipse.jdt.internal.ui.refactoring.reorg.PasteAction.run(PasteAction.java:270)
    at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:276)
    at org.eclipse.jdt.ui.actions.SelectionDispatchAction.lambda$0(SelectionDispatchAction.java:254)
    at org.eclipse.jdt.core.JavaCore.lambda$0(JavaCore.java:6032)
    at org.eclipse.jdt.internal.core.JavaModelManager.cacheZipFiles(JavaModelManager.java:5821)
    at org.eclipse.jdt.internal.core.JavaModelManager.callReadOnlyUnchecked(JavaModelManager.java:5809)
    at org.eclipse.jdt.internal.core.JavaModelManager.callReadOnly(JavaModelManager.java:5797)
    at org.eclipse.jdt.core.JavaCore.callReadOnly(JavaCore.java:6016)
    at org.eclipse.jdt.core.JavaCore.runReadOnly(JavaCore.java:6031)
    at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:254)
    at org.eclipse.jface.action.Action.runWithEvent(Action.java:474)
    at org.eclipse.jface.commands.ActionHandler.execute(ActionHandler.java:121)
    at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:98)
    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.invokeUsingClass(InjectorImpl.java:298)
    at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:232)
    at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:174)
    at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:165)
    at org.eclipse.core.commands.Command.executeWithChecks(Command.java:488)
    at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:485)
    at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:204)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:308)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:569)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:644)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.filterKeySequenceBindings(KeyBindingDispatcher.java:439)
    at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher$KeyDownFilter.handleEvent(KeyBindingDispatcher.java:96)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
    at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1286)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1065)
    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.sendKeyEvent(Widget.java:1117)
    at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1113)
    at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1594)
    at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:4866)
    at org.eclipse.swt.widgets.Tree.WM_CHAR(Tree.java:6147)
    at org.eclipse.swt.widgets.Control.windowProc(Control.java:4744)
    at org.eclipse.swt.widgets.Tree.windowProc(Tree.java:6142)
    at org.eclipse.swt.widgets.Display.windowProc(Display.java:5039)
    at org.eclipse.swt.internal.win32.OS.DispatchMessage(Native Method)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1152)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1043)
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:152)
    at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:648)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
    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)