从插件调用代码时出现问题:“org.eclipse.jface"

Problems occurred when invoking code from plug-in: quot;org.eclipse.jfacequot;(从插件调用代码时出现问题:“org.eclipse.jface)

问题描述

我在 Eclipse 上从 SVN 获得了一个新的 Java 项目，只是尝试在 Eclipse 的项目资源管理器窗口中打开该项目并收到此错误:

I've got a new Java project at Eclipse from SVN and just tried to open the project in the Eclipse's Project Explorer window and received this error:

从插件调用代码时出现问题:"org.eclipse.jface".

Problems occurred when invoking code from plug-in: "org.eclipse.jface".

我该如何解决这个问题?

How could I fix that issue?

异常堆栈跟踪:

java.lang.NullPointerException
    at org.jboss.ide.eclipse.as.classpath.core.ejb3.EJB3ClasspathContainer.getClasspathEntries(EJB3ClasspathContainer.java:115)
    at org.eclipse.jdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2695)
    at org.eclipse.jdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2853)
    at org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:1958)
    at org.eclipse.jdt.internal.core.PackageFragmentRoot.getRawClasspathEntry(PackageFragmentRoot.java:547)
    at org.eclipse.jdt.internal.corext.buildpath.ClasspathModifier.isExcluded(ClasspathModifier.java:485)
    at org.eclipse.jdt.internal.ui.wizards.buildpaths.newsourcepage.IncludeToBuildpathAction.canHandle(IncludeToBuildpathAction.java:170)
    at org.eclipse.jdt.internal.ui.wizards.buildpaths.newsourcepage.BuildpathModifierAction.selectionChanged(BuildpathModifierAction.java:101)
    at org.eclipse.jface.viewers.Viewer$2.run(Viewer.java:164)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
    at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
    at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:162)
    at org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:2188)
    at org.eclipse.jface.viewers.StructuredViewer.handleSelect(StructuredViewer.java:1211)
    at org.eclipse.ui.navigator.CommonViewer.handleSelect(CommonViewer.java:478)
    at org.eclipse.jface.viewers.StructuredViewer$4.widgetSelected(StructuredViewer.java:1241)
    at org.eclipse.jface.util.OpenStrategy.fireSelectionEvent(OpenStrategy.java:239)
    at org.eclipse.jface.util.OpenStrategy.access$4(OpenStrategy.java:233)
    at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:403)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4128)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1457)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1480)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1465)
    at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1270)
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3974)
    at org.eclipse.swt.widgets.Display.applicationNextEventMatchingMask(Display.java:4875)
    at org.eclipse.swt.widgets.Display.applicationProc(Display.java:5226)
    at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
    at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:220)
    at org.eclipse.swt.widgets.Widget.mouseDownSuper(Widget.java:1092)
    at org.eclipse.swt.widgets.Tree.mouseDownSuper(Tree.java:2052)
    at org.eclipse.swt.widgets.Widget.mouseDown(Widget.java:1084)
    at org.eclipse.swt.widgets.Control.mouseDown(Control.java:2528)
    at org.eclipse.swt.widgets.Tree.mouseDown(Tree.java:2007)
    at org.eclipse.swt.widgets.Display.windowProc(Display.java:5471)
    at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
    at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:220)
    at org.eclipse.swt.widgets.Widget.windowSendEvent(Widget.java:2095)
    at org.eclipse.swt.widgets.Shell.windowSendEvent(Shell.java:2253)
    at org.eclipse.swt.widgets.Display.windowProc(Display.java:5535)
    at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
    at org.eclipse.swt.widgets.Display.applicationSendEvent(Display.java:4989)
    at org.eclipse.swt.widgets.Display.applicationProc(Display.java:5138)
    at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method)
    at org.eclipse.swt.internal.cocoa.NSApplication.sendEvent(NSApplication.java:128)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3610)
    at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2701)
    at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2665)
    at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499)
    at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1410)

会话数据:

eclipse.buildId=M20120208-0800
java.version=1.6.0_37
java.vendor=Apple Inc.
BootLoader constants: OS=macosx, ARCH=x86_64, WS=cocoa, NL=en_US
Framework arguments:  -product org.eclipse.epp.package.jee.product -keyring /Users/saraiva/.eclipse_keyring -showlocation
Command-line arguments:  -os macosx -ws cocoa -arch x86_64 -product org.eclipse.epp.package.jee.product -keyring /Users/saraiva/.eclipse_keyring -showlocation

推荐答案

您的项目可能配置不适合您的 comp.尝试删除 .classpath 和 .project 并从现有源重新创建项目.如果意外提交给 SVN(例如以点开头的 .settings)，也请删除任何 eclipse 内部目录.

Your project may be configured not for your comp. Try to remove .classpath and .project and recreate the project from existed sources. Also remove any eclipse internal dirs if they are accidentally committed to the SVN such as .settings that starts with dot.

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