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Eclipse内容辅助错误

javaandroideclipseactionbarsherlock
7
最近我在Eclipse中使用内容辅助时遇到了越来越多的问题。在我的一些项目中，我无法从内容辅助中获取任何建议，而在其他项目中，我可以获得一些或所有预期的建议。通常在Eclipse中没有“错误”，但当我确实出现错误时，下面是一个示例：
“内容辅助”未能正常完成。请参见日志以获取更多信息。 Pb（324）类型android.support.v4.app.LoaderManager $ LoaderCallbacks无法解析。它是间接引用所需的.class文件。
我尝试了各种建议（包括但不限于下面两个链接中的建议），但都没有成功。我甚至已经将Eclipse删除并重新安装，并重新创建项目，不使用任何Eclipse元数据或设置。
非常感谢您的帮助。

Eclipse SDK 版本：3.7.2 构建编号：M20120208-0800

Android 开发工具包 版本：18.0.0.v201203301601-306762

错误日志：

!ENTRY org.eclipse.ui 4 0 2012-05-22 09:25:34.061
!MESSAGE Pb(324) The type android.support.v4.app.LoaderManager$LoaderCallbacks cannot be resolved. It is indirectly referenced from required .class files
!STACK 0
org.eclipse.jdt.internal.compiler.problem.AbortCompilation: Pb(324) The type android.support.v4.app.LoaderManager$LoaderCallbacks cannot be resolved. It is indirectly referenced from required .class files
    at org.eclipse.jdt.internal.compiler.problem.ProblemHandler.handle(ProblemHandler.java:121)
    at org.eclipse.jdt.internal.compiler.problem.ProblemHandler.handle(ProblemHandler.java:179)
    at org.eclipse.jdt.internal.compiler.problem.ProblemReporter.handle(ProblemReporter.java:2062)
    at org.eclipse.jdt.internal.compiler.problem.ProblemReporter.isClassPathCorrect(ProblemReporter.java:4039)
    at org.eclipse.jdt.internal.compiler.lookup.UnresolvedReferenceBinding.resolve(UnresolvedReferenceBinding.java:54)
    at org.eclipse.jdt.internal.compiler.lookup.BinaryTypeBinding.resolveType(BinaryTypeBinding.java:122)
    at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.getTypeFromTypeSignature(LookupEnvironment.java:1335)
    at org.eclipse.jdt.internal.compiler.lookup.BinaryTypeBinding.createMethod(BinaryTypeBinding.java:536)
    at org.eclipse.jdt.internal.compiler.lookup.BinaryTypeBinding.createMethods(BinaryTypeBinding.java:638)
    at org.eclipse.jdt.internal.compiler.lookup.BinaryTypeBinding.cachePartsFrom(BinaryTypeBinding.java:365)
    at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.createBinaryTypeFrom(LookupEnvironment.java:688)
    at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.createBinaryTypeFrom(LookupEnvironment.java:667)
    at org.eclipse.jdt.internal.codeassist.impl.Engine.accept(Engine.java:60)
    at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.askForType(LookupEnvironment.java:142)
    at org.eclipse.jdt.internal.compiler.lookup.PackageBinding.getTypeOrPackage(PackageBinding.java:183)
    at org.eclipse.jdt.internal.compiler.lookup.Scope.getTypeOrPackage(Scope.java:2688)
    at org.eclipse.jdt.internal.compiler.lookup.Scope.getType(Scope.java:2405)
    at org.eclipse.jdt.internal.compiler.ast.SingleTypeReference.getTypeBinding(SingleTypeReference.java:44)
    at org.eclipse.jdt.internal.compiler.ast.TypeReference.internalResolveType(TypeReference.java:132)
    at org.eclipse.jdt.internal.compiler.ast.TypeReference.resolveType(TypeReference.java:204)
    at org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding.resolveTypeFor(SourceTypeBinding.java:1374)
    at org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding.fields(SourceTypeBinding.java:699)
    at org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding.availableFields(ReferenceBinding.java:166)
    at org.eclipse.jdt.internal.codeassist.InternalExtendedCompletionContext.searchVisibleFields(InternalExtendedCompletionContext.java:518)
    at org.eclipse.jdt.internal.codeassist.InternalExtendedCompletionContext.searchVisibleVariablesAndMethods(InternalExtendedCompletionContext.java:807)
    at org.eclipse.jdt.internal.codeassist.InternalExtendedCompletionContext.computeVisibleElementBindings(InternalExtendedCompletionContext.java:179)
    at org.eclipse.jdt.internal.codeassist.InternalExtendedCompletionContext.getVisibleElements(InternalExtendedCompletionContext.java:365)
    at org.eclipse.jdt.internal.codeassist.InternalCompletionContext.getVisibleElements(InternalCompletionContext.java:318)
    at org.eclipse.jdt.internal.ui.text.java.ParameterGuessingProposal.getAssignableElements(ParameterGuessingProposal.java:110)
    at org.eclipse.jdt.internal.ui.text.java.ParameterGuessingProposal.guessParameters(ParameterGuessingProposal.java:293)
    at org.eclipse.jdt.internal.ui.text.java.ParameterGuessingProposal.computeGuessingCompletion(ParameterGuessingProposal.java:228)
    at org.eclipse.jdt.internal.ui.text.java.ParameterGuessingProposal.computeReplacementString(ParameterGuessingProposal.java:194)
    at org.eclipse.jdt.internal.ui.text.java.LazyJavaCompletionProposal.getReplacementString(LazyJavaCompletionProposal.java:330)
    at org.eclipse.jdt.internal.ui.text.java.AbstractJavaCompletionProposal.apply(AbstractJavaCompletionProposal.java:364)
    at org.eclipse.jdt.internal.ui.text.java.JavaMethodCompletionProposal.apply(JavaMethodCompletionProposal.java:57)
    at org.eclipse.jdt.internal.ui.text.java.ParameterGuessingProposal.apply(ParameterGuessingProposal.java:121)
    at org.eclipse.jdt.internal.ui.text.java.AbstractJavaCompletionProposal.apply(AbstractJavaCompletionProposal.java:477)
    at org.eclipse.jdt.internal.ui.text.java.LazyJavaCompletionProposal.apply(LazyJavaCompletionProposal.java:488)
    at org.eclipse.jface.text.contentassist.CompletionProposalPopup.insertProposal(CompletionProposalPopup.java:930)
    at org.eclipse.jface.text.contentassist.CompletionProposalPopup.access$21(CompletionProposalPopup.java:894)
    at org.eclipse.jface.text.contentassist.CompletionProposalPopup$2.run(CompletionProposalPopup.java:495)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
    at org.eclipse.jface.text.contentassist.CompletionProposalPopup.showProposals(CompletionProposalPopup.java:482)
    at org.eclipse.jface.text.contentassist.ContentAssistant.showPossibleCompletions(ContentAssistant.java:1656)
    at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor$AdaptedSourceViewer.doOperation(CompilationUnitEditor.java:183)
    at org.eclipse.ui.texteditor.ContentAssistAction$1.run(ContentAssistAction.java:82)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
    at org.eclipse.ui.texteditor.ContentAssistAction.run(ContentAssistAction.java:80)
    at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
    at org.eclipse.ui.commands.ActionHandler.execute(ActionHandler.java:185)
    at org.eclipse.ui.internal.handlers.LegacyHandlerWrapper.execute(LegacyHandlerWrapper.java:109)
    at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476)
    at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
    at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169)
    at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:468)
    at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:786)
    at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:885)
    at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:567)
    at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(WorkbenchKeyboard.java:508)
    at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter.handleEvent(WorkbenchKeyboard.java:123)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1262)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1052)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062)
    at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1104)
    at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1100)
    at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1509)
    at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:4640)
    at org.eclipse.swt.widgets.Canvas.WM_CHAR(Canvas.java:345)
    at org.eclipse.swt.widgets.Control.windowProc(Control.java:4528)
    at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:341)
    at org.eclipse.swt.widgets.Display.windowProc(Display.java:4972)
    at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
    at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2531)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3752)
    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$7.run(Workbench.java:679)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
错误日志中显示了什么？ - Ted Hopp
我已经在上面附上了错误日志。 - invertigo
我还应该注意到 android.support.v4.app.LoaderManager$LoaderCallbacks 是来自 ActionBarSherlock 库，而不是标准支持库。 - invertigo
说句实话，我也尝试安装了Eclipse 4.2M7，但是出现了相同的问题。 - invertigo
5个回答
5
请尝试以下步骤：
1. 打开窗口菜单：Window >> Preferences。 2. 选择 Java >> Editor。 3. 选择 Content Assist。 4. 单击 Restore defaults 恢复默认设置。 5. 在 Advanced 中重复步骤4，以还原高级设置的默认值。
注意：请勿删除或更改任何 HTML 标签。
问题仍然存在。我关闭了所有的Eclipse窗口并重新启动，只是为了确保设置生效。 - invertigo
3

我最终将ActionBarSherlock库升级到最新的4.1版本（http://actionbarsherlock.com/），这解决了我的Eclipse问题。

0

我也遇到了这个问题，出现了Pb（324）消息。结果发现，仔细阅读并理解消息就足以解决它。但是我首先做的是去stackoverflow上查找答案。没什么用 :)

在我的groovy项目中，依赖库没有自动显示在自动完成中。不确定为什么，我对这方面还很陌生。所以我手动添加它们。但我没有手动添加间接依赖项。错误消息指定了引起问题的类。我添加了一个包含有问题类的jar文件的引用，然后 bingo - 不再有代码辅助错误。

具体来说：项目、属性、Java构建路径、库、添加外部JAR。然后我指向gradle下载库的目录。

0
我曾经遇到过类似的问题，当使用V4兼容库进行更新时，会出现问题。尝试移除项目对该库的依赖，重启Eclipse，然后再将依赖添加回去。（我认为这就是我解决问题所做的，但如果这不起作用，我会想想我还能做什么。）
0

对我来说，更新Eclipse起作用了。

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