帶有首選項窗口的MyEclipse 2017 CI錯誤

Question

已解決：我通過創建一個新的工作區來解決這個問題。我不確定發生了什麼事會腐蝕我的舊工作區，很難說清楚，也很難解決。

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我剛剛安裝了MyEclipse 2017 CI並轉換了我的舊2016 CI工作區。我做了一些與我的主題有關的事情，並不確定我做了什麼，沒有什麼不尋常的，重新啓動了我的Eclipse客戶端，現在當我嘗試導航到Window >首選項時，出現錯誤。

具體而言，當我第一次單擊首選項，我得到這個錯誤，並且Preferences窗口未打開：

!ENTRY org.eclipse.ui 4 0 2017-04-25 15:56:19.105 
!MESSAGE Unhandled event loop exception 
!STACK 0 
java.lang.IllegalStateException: ScrollBarsProvider not initialized 
    at org.eclipse.swt.custom.ScrolledComposite.createScrollBar(ScrolledComposite.java:819) 
    at org.eclipse.swt.custom.ScrolledComposite.<init>(ScrolledComposite.java:161) 
    at org.eclipse.jface.preference.PreferenceDialog.createPageContainer(PreferenceDialog.java:491) 
    at org.eclipse.jface.preference.PreferenceDialog.createDialogArea(PreferenceDialog.java:412) 
    at org.eclipse.jface.dialogs.Dialog.createContents(Dialog.java:767) 
    at org.eclipse.jface.preference.PreferenceDialog.access$5(PreferenceDialog.java:1) 
    at org.eclipse.jface.preference.PreferenceDialog.lambda$0(PreferenceDialog.java:344) 
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) 
    at org.eclipse.jface.preference.PreferenceDialog.createContents(PreferenceDialog.java:343) 
    at org.eclipse.jface.window.Window.create(Window.java:426) 
    at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1095) 
    at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.createDialogOn(WorkbenchPreferenceDialog.java:102) 
    at org.eclipse.ui.dialogs.PreferencesUtil.createPreferenceDialogOn(PreferencesUtil.java:192) 
    at org.eclipse.ui.dialogs.PreferencesUtil.createPreferenceDialogOn(PreferencesUtil.java:116) 
    at org.eclipse.ui.internal.OpenPreferencesAction.run(OpenPreferencesAction.java:62) 
    at org.eclipse.jface.action.Action.runWithEvent(Action.java:473) 
    at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:565) 
    at org.eclipse.jface.action.ActionContributionItem.lambda$4(ActionContributionItem.java:397) 
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) 
    at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4410) 
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079) 
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4228) 
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3816) 
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1121) 
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) 
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022) 
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150) 
    at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:687) 
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) 
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:604) 
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148) 
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:138) 
    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:388) 
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243) 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    at java.lang.reflect.Method.invoke(Method.java:498) 
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673) 
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610) 
    at org.eclipse.equinox.launcher.Main.run(Main.java:1519) 

如果我點擊首第二次，它會打開，但沒有偏好屏幕顯示。當我點擊一個標籤獲取屏幕顯示，我得到指出「當前顯示的頁面包含無效值」，並出現以下錯誤沿彈出：

!ENTRY org.eclipse.jface 4 2 2017-04-25 16:02:11.702 
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface". 
!STACK 0 
java.lang.IllegalArgumentException: Argument cannot be null 
    at org.eclipse.swt.SWT.error(SWT.java:4514) 
    at org.eclipse.swt.SWT.error(SWT.java:4448) 
    at org.eclipse.swt.SWT.error(SWT.java:4419) 
    at org.eclipse.swt.widgets.Widget.error(Widget.java:482) 
    at org.eclipse.swt.widgets.Widget.checkParent(Widget.java:291) 
    at org.eclipse.swt.widgets.Widget.<init>(Widget.java:158) 
    at org.eclipse.swt.widgets.Control.<init>(Control.java:110) 
    at org.eclipse.swt.widgets.Scrollable.<init>(Scrollable.java:82) 
    at org.eclipse.swt.widgets.Composite.<init>(Composite.java:96) 
    at org.eclipse.jface.preference.PreferencePage.createControl(PreferencePage.java:223) 
    at org.eclipse.jface.preference.PreferenceDialog.createPageControl(PreferenceDialog.java:1430) 
    at org.eclipse.jface.preference.PreferenceDialog$9.run(PreferenceDialog.java:1197) 
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) 
    at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50) 
    at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173) 
    at org.eclipse.jface.preference.PreferenceDialog.showPage(PreferenceDialog.java:1189) 
    at org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.showPage(FilteredPreferenceDialog.java:608) 
    at org.eclipse.jface.preference.PreferenceDialog$5.lambda$0(PreferenceDialog.java:656) 
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) 
    at org.eclipse.jface.preference.PreferenceDialog$5.selectionChanged(PreferenceDialog.java:653) 
    at org.eclipse.jface.viewers.StructuredViewer$3.run(StructuredViewer.java:878) 
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) 
    at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50) 
    at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173) 
    at org.eclipse.jface.viewers.StructuredViewer.firePostSelectionChanged(StructuredViewer.java:875) 
    at org.eclipse.jface.viewers.StructuredViewer.handlePostSelect(StructuredViewer.java:1244) 
    at org.eclipse.jface.viewers.StructuredViewer$5.widgetSelected(StructuredViewer.java:1270) 
    at org.eclipse.jface.util.OpenStrategy.firePostSelectionEvent(OpenStrategy.java:265) 
    at org.eclipse.jface.util.OpenStrategy.access$5(OpenStrategy.java:259) 
    at org.eclipse.jface.util.OpenStrategy$1.lambda$1(OpenStrategy.java:431) 
    at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) 
    at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182) 
    at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4203) 
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3819) 
    at org.eclipse.jface.window.Window.runEventLoop(Window.java:818) 
    at org.eclipse.jface.window.Window.open(Window.java:794) 
    at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchPreferenceDialog.java:211) 
    at org.eclipse.ui.internal.OpenPreferencesAction.run(OpenPreferencesAction.java:63) 
    at org.eclipse.jface.action.Action.runWithEvent(Action.java:473) 
    at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:565) 
    at org.eclipse.jface.action.ActionContributionItem.lambda$4(ActionContributionItem.java:397) 
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) 
    at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4410) 
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079) 
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4228) 
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3816) 
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1121) 
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) 
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022) 
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150) 
    at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:687) 
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) 
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:604) 
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148) 
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:138) 
    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:388) 
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243) 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    at java.lang.reflect.Method.invoke(Method.java:498) 
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673) 
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610) 
    at org.eclipse.equinox.launcher.Main.run(Main.java:1519) 

Answer 1

不知道什麼是對那裏發生的，長相就像窗戶模型弄亂了一樣。爲了重新開始工作，我建議打開一個新窗口（窗口 - >新窗口0，然後關閉舊窗口，如果這樣不行，試着在一個新的空的工作區上打開MyEclipse，然後導入你的項目舊的工作空間您可能需要重新設置一些首選項並重新定義服務器，但至少您會啓動並運行！如果您再次進行一些主題更改，請記下您所做的事情，因爲這似乎是問題的根源