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Java Build Path包含无效的值

单击Java Buildpath会出现以下错误： 

The currently displayed page contains invalid values

Java构建路径错误

我在Windows 7上安装了Eclipse Luna .JDK 7安装在C:\Program Files\Java\jdk1.7.0_67

窗口>首选项> Java>已安装的JRE提供以下错误 –

在这里输入图像说明

这与这个问题有关 – 在这个环境中没有提供编译器。 也许你正在使用JRE而不是JDK？

这是来自workspace.metadata.log的摘录 

 !ENTRY org.eclipse.jface 4 2 2015-05-03 22:56:07.221 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface". !STACK 0 java.lang.NullPointerException at org.eclipse.jdt.internal.debug.ui.jres.JREsPreferencePage.dispose(JREsPreferencePage.java:316) at org.eclipse.jface.preference.PreferenceNode.disposeResources(PreferenceNode.java:170) at org.eclipse.ui.internal.preferences.WorkbenchPreferenceExtensionNode.disposeResources(WorkbenchPreferenceExtensionNode.java:139) at org.eclipse.jface.preference.PreferenceDialog$2.run(PreferenceDialog.java:291) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jface.preference.PreferenceDialog.close(PreferenceDialog.java:303) at org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.close(FilteredPreferenceDialog.java:723) at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.close(WorkbenchPreferenceDialog.java:148) at org.eclipse.jface.preference.PreferenceDialog.cancelPressed(PreferenceDialog.java:270) at org.eclipse.jface.preference.PreferenceDialog.buttonPressed(PreferenceDialog.java:235) at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:619) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4172) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761) at org.eclipse.jface.window.Window.runEventLoop(Window.java:827) at org.eclipse.jface.window.Window.open(Window.java:803) at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchPreferenceDialog.java:221) at org.eclipse.ui.internal.OpenPreferencesAction.run(OpenPreferencesAction.java:66) at org.eclipse.jface.action.Action.runWithEvent(Action.java:473) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:595) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:511) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:420) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4172) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135) 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:382) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:236) 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:648) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603) at org.eclipse.equinox.launcher.Main.run(Main.java:1465)