E4 异常 org.eclipse.core.commands.common.NotDefinedException

E4 Exception org.eclipse.core.commands.common.NotDefinedException

我在 Eclipse e4 RCP 应用程序中遇到奇怪的行为。我们得到一个异常,它只是被打印到 StdErr,它似乎起源于更深层的一些 e4 框架逻辑。

在启动应用程序、打开新对话框 (MWindow.class) 并在该对话框中打开 Nebula DateChooserCombo 时,异常可以可靠地复制。

然而,当在运行配置中激活e4 Spy插件时,我们没有得到异常。所以我查看了常规配置和间谍配置的区别 运行。通过反复试验,我发现当我添加插件 "org.eclipse.ui" 及其所需的插件时,异常不再发生。

现在我的两个问题是:

1) 考虑到下面的例外情况,将 "org.eclipse.ui" 添加到已加载插件列表中是正确的方法还是太过分了,只是一种解决方法?

2) 如果 "org.eclipse.ui" 是解决方案,那么告诉 PDE 将此插件及其所需插件与最终 Eclipse RCP 产品一起打包的最简单方法是什么?

org.eclipse.core.commands.common.NotDefinedException: Cannot get the parent identifier from an undefined context. org.eclipse.ui.contexts.dialog
    at org.eclipse.core.commands.contexts.Context.getParentId(Context.java:197)
    at org.eclipse.e4.ui.bindings.internal.ContextSet$CComp.getLevel(ContextSet.java:49)
    at org.eclipse.e4.ui.bindings.internal.ContextSet$CComp.compare(ContextSet.java:39)
    at org.eclipse.e4.ui.bindings.internal.ContextSet$CComp.compare(ContextSet.java:1)
    at java.util.TimSort.binarySort(TimSort.java:265)
    at java.util.TimSort.sort(TimSort.java:190)
    at java.util.TimSort.sort(TimSort.java:173)
    at java.util.Arrays.sort(Arrays.java:659)
    at java.util.Collections.sort(Collections.java:217)
    at org.eclipse.e4.ui.bindings.internal.ContextSet.<init>(ContextSet.java:77)
    at org.eclipse.e4.ui.bindings.internal.BindingTableManager.createContextSet(BindingTableManager.java:90)
    at org.eclipse.e4.ui.bindings.internal.BindingServiceImpl.setContextIds(BindingServiceImpl.java:177)
    at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)
    at org.eclipse.e4.core.internal.contexts.ContextObjectSupplier$ContextInjectionListener.update(ContextObjectSupplier.java:90)
    at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:111)
    at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:341)
    at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:176)
    at org.eclipse.e4.ui.internal.workbench.swt.ShellActivationListener.widgetDisposed(ShellActivationListener.java:182)
    at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:123)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4362)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1113)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1137)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1118)
    at org.eclipse.swt.widgets.Widget.release(Widget.java:822)
    at org.eclipse.swt.widgets.Widget.dispose(Widget.java:460)
    at org.eclipse.swt.widgets.Decorations.dispose(Decorations.java:447)
    at org.eclipse.swt.widgets.Shell.dispose(Shell.java:725)
    at zzz.tools.widgets.datechooser.ZzzDateChooserCombo.dropDown(ZzzDateChooserCombo.java:1072)
    at zzz.tools.widgets.datechooser.ZzzDateChooserCombo.popupEvent(ZzzDateChooserCombo.java:767)
    at zzz.tools.widgets.datechooser.ZzzDateChooserCombo.handleEvent(ZzzDateChooserCombo.java:574)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4362)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1113)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1137)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1118)
    at org.eclipse.swt.widgets.Decorations.WM_ACTIVATE(Decorations.java:1685)
    at org.eclipse.swt.widgets.Shell.WM_ACTIVATE(Shell.java:2193)
    at org.eclipse.swt.widgets.Control.windowProc(Control.java:4659)
    at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:339)
    at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java:1633)
    at org.eclipse.swt.widgets.Shell.windowProc(Shell.java:2117)
    at org.eclipse.swt.widgets.Display.windowProc(Display.java:5050)
    at org.eclipse.swt.internal.win32.OS.PeekMessageW(Native Method)
    at org.eclipse.swt.internal.win32.OS.PeekMessage(OS.java:3141)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3764)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1127)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018)
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)
    at org.eclipse.e4.ui.internal.workbench.swt.E4Application.start(E4Application.java:159)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
    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:606)
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1515)
    at org.eclipse.equinox.launcher.Main.main(Main.java:1488)

以下堆栈跟踪是在同一应用程序中打开普通 JFace MessageDialog 时创建的。不同的用例 --> 相同的错误:

org.eclipse.core.commands.common.NotDefinedException: Cannot get the parent identifier from an undefined context. org.eclipse.ui.contexts.dialog
    at org.eclipse.core.commands.contexts.Context.getParentId(Context.java:197)
    at org.eclipse.e4.ui.bindings.internal.ContextSet$CComp.getLevel(ContextSet.java:49)
    at org.eclipse.e4.ui.bindings.internal.ContextSet$CComp.compare(ContextSet.java:39)
    at org.eclipse.e4.ui.bindings.internal.ContextSet$CComp.compare(ContextSet.java:1)
    at java.util.TimSort.binarySort(TimSort.java:265)
    at java.util.TimSort.sort(TimSort.java:190)
    at java.util.TimSort.sort(TimSort.java:173)
    at java.util.Arrays.sort(Arrays.java:659)
    at java.util.Collections.sort(Collections.java:217)
    at org.eclipse.e4.ui.bindings.internal.ContextSet.<init>(ContextSet.java:77)
    at org.eclipse.e4.ui.bindings.internal.BindingTableManager.createContextSet(BindingTableManager.java:90)
    at org.eclipse.e4.ui.bindings.internal.BindingServiceImpl.setContextIds(BindingServiceImpl.java:177)
    at sun.reflect.GeneratedMethodAccessor15.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)
    at org.eclipse.e4.core.internal.contexts.ContextObjectSupplier$ContextInjectionListener.update(ContextObjectSupplier.java:90)
    at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:111)
    at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:341)
    at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:356)
    at org.eclipse.e4.core.internal.contexts.EclipseContext.activate(EclipseContext.java:657)
    at org.eclipse.e4.ui.internal.workbench.swt.ShellActivationListener.run(ShellActivationListener.java:124)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.e4.ui.internal.workbench.swt.ShellActivationListener.activate(ShellActivationListener.java:120)
    at org.eclipse.e4.ui.internal.workbench.swt.ShellActivationListener.handleEvent(ShellActivationListener.java:74)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1266)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1112)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1137)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1122)
    at org.eclipse.swt.widgets.Decorations.WM_ACTIVATE(Decorations.java:1673)
    at org.eclipse.swt.widgets.Shell.WM_ACTIVATE(Shell.java:2193)
    at org.eclipse.swt.widgets.Control.windowProc(Control.java:4659)
    at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:339)
    at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java:1633)
    at org.eclipse.swt.widgets.Shell.windowProc(Shell.java:2117)
    at org.eclipse.swt.widgets.Display.windowProc(Display.java:5050)
    at org.eclipse.swt.internal.win32.OS.BringWindowToTop(Native Method)
    at org.eclipse.swt.widgets.Decorations.bringToTop(Decorations.java:230)
    at org.eclipse.swt.widgets.Shell.open(Shell.java:1244)
    at org.eclipse.jface.window.Window.open(Window.java:799)
    at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:330)
    at zzz.dialogs.StatusmeldungDialog.openNotification(StatusmeldungDialog.java:83)
    at zzz.parts.warnings.display.WarningsPart.onFinished(WarningsPart.java:228)
    at zzz.actions.ZzzBackgroundJob.run(ZzzBackgroundJob.java:139)
    at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
    at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
    at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4155)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3772)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1127)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018)
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)
    at org.eclipse.e4.ui.internal.workbench.swt.E4Application.start(E4Application.java:159)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
    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:606)
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1515)
    at org.eclipse.equinox.launcher.Main.main(Main.java:1488)

Eclipse 似乎无法找到 org.eclipse.ui.contexts.dialog 绑定上下文。

您需要在 Application.e4xmi 中定义默认的绑定上下文。

基本上下文应该是 org.eclipse.ui.contexts.dialogAndWindow 并且它应该有两个 children org.eclipse.ui.contexts.windoworg.eclipse.ui.contexts.dialog