Java Eclipse，错误：文件不存在

Eclipse, ERROR: The file does not exist

提问by user3166950

So every now and then eclipse glitches on me and says that my files are missing or something like that and the way I usually fix it is by copying my workbench to another location and choosing to use that one instead of the old one and it works again. However this time that did not work and it says my files do not exist. The error log is here:

所以 eclipse 时不时地对我说小故障，说我的文件丢失或类似的东西，我通常修复它的方法是将我的工作台复制到另一个位置并选择使用那个而不是旧的，然后它再次工作. 但是这次没有用，它说我的文件不存在。错误日志在这里：

org.eclipse.core.runtime.CoreException: The file does not exist.
    at org.eclipse.core.internal.filebuffers.ResourceFileBuffer.create(ResourceFileBuffer.java:237)
    at org.eclipse.core.internal.filebuffers.TextFileBufferManager.connect(TextFileBufferManager.java:112)
    at org.eclipse.ui.editors.text.TextFileDocumentProvider.createFileInfo(TextFileDocumentProvider.java:559)
    at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitDocumentProvider.createFileInfo(CompilationUnitDocumentProvider.java:978)
    at org.eclipse.ui.editors.text.TextFileDocumentProvider.connect(TextFileDocumentProvider.java:478)
    at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitDocumentProvider.connect(CompilationUnitDocumentProvider.java:1242)
    at org.eclipse.ui.texteditor.AbstractTextEditor.doSetInput(AbstractTextEditor.java:4222)
    at org.eclipse.ui.texteditor.StatusTextEditor.doSetInput(StatusTextEditor.java:237)
    at org.eclipse.ui.texteditor.AbstractDecoratedTextEditor.doSetInput(AbstractDecoratedTextEditor.java:1480)
    at org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.internalDoSetInput(JavaEditor.java:2584)
    at org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.doSetInput(JavaEditor.java:2557)
    at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor.doSetInput(CompilationUnitEditor.java:1395)
    at org.eclipse.ui.texteditor.AbstractTextEditor.run(AbstractTextEditor.java:3209)
    at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:1654)
    at org.eclipse.ui.texteditor.AbstractTextEditor.internalInit(AbstractTextEditor.java:3227)
    at org.eclipse.ui.texteditor.AbstractTextEditor.init(AbstractTextEditor.java:3254)
    at org.eclipse.ui.internal.EditorReference.initialize(EditorReference.java:324)
    at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:288)
    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.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)
    at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:857)
    at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:837)
    at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:111)
    at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:318)
    at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:240)
    at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:161)
    at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:102)
    at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:71)
    at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:53)
    at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:141)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:889)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:623)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:725)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access(PartRenderingEngine.java:696)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:690)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:675)
    at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.showTab(StackRenderer.java:1042)
    at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer.postProcess(LazyStackRenderer.java:98)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:639)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:725)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access(PartRenderingEngine.java:696)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:690)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:675)
    at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:59)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:635)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:511)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:496)
    at org.eclipse.e4.ui.workbench.renderers.swt.ElementReferenceRenderer.createWidget(ElementReferenceRenderer.java:74)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:889)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:623)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:725)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access(PartRenderingEngine.java:696)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:690)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:675)
    at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:59)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:635)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:725)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access(PartRenderingEngine.java:696)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:690)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:675)
    at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:59)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:635)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:725)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access(PartRenderingEngine.java:696)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:690)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:675)
    at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:59)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:635)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:725)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access(PartRenderingEngine.java:696)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:690)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:675)
    at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:59)
    at org.eclipse.e4.ui.workbench.renderers.swt.PerspectiveRenderer.processContents(PerspectiveRenderer.java:59)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:635)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:725)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access(PartRenderingEngine.java:696)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:690)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:675)
    at org.eclipse.e4.ui.workbench.renderers.swt.PerspectiveStackRenderer.showTab(PerspectiveStackRenderer.java:103)
    at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer.postProcess(LazyStackRenderer.java:98)
    at org.eclipse.e4.ui.workbench.renderers.swt.PerspectiveStackRenderer.postProcess(PerspectiveStackRenderer.java:77)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:639)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:725)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access(PartRenderingEngine.java:696)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:690)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:675)
    at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:59)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:635)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:725)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access(PartRenderingEngine.java:696)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:690)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:675)
    at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:59)
    at org.eclipse.e4.ui.workbench.renderers.swt.WBWRenderer.processContents(WBWRenderer.java:626)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:635)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:725)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access(PartRenderingEngine.java:696)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:690)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:675)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:961)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:916)
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86)
    at org.eclipse.ui.internal.Workbench.run(Workbench.java:585)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:540)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
    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:353)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
    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:629)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1438)

回答by user3559326

Please check for the project folders present in the work space. If they present then go to eclipse "Project Explorer" view and import the projects from your work space.. This will do .

请检查工作空间中是否存在项目文件夹。如果它们出现，则转到 Eclipse“项目资源管理器”视图并从您的工作空间导入项目.. 这样就可以了。

回答by diptia

How I fixed it was

我是如何修复它的

Shut down Eclipse IDE Remove the workspace/.metadata/.plugins/org.eclipse.core.resources directory Start Eclipse IDE (with -clean to be super-safe) . Reimport all projects .

关闭 Eclipse IDE 删除 workspace/.metadata/.plugins/org.eclipse.core.resources 目录启动 Eclipse IDE（使用 -clean 是超级安全的）。重新导入所有项目。

You may face the same issue if your git plugin has crashed . Do a simple check by using git log command on your repository . If its the problem with the git files , you may have to backup your .git files and refresh your repository.

如果您的 git 插件崩溃，您可能会面临同样的问题。使用 git log 命令对您的存储库进行简单检查。如果是 git 文件的问题，您可能需要备份 .git 文件并刷新您的存储库。

回答by jyothiv

Just reimport the workspace.

只需重新导入工作区。

Do File -> Import -> Existing Projects Into Workspace and select your root workspace directory.

执行 File -> Import -> Existing Projects Into Workspace 并选择您的根工作区目录。

回答by user766646

Just Re-import the workspace

只需重新导入工作区

File > Import > General > Existing Projects into Workspace, click Next and Finish

文件 > 导入 > 常规 > 现有项目到工作区，单击下一步并完成

回答by jhb

Here is a more complete process (elaborates on the three previous answers):

这是一个更完整的过程（详细说明了前面的三个答案）：

1. Create a new (empty) workspace:

   File | Switch Workspace | Other

2. Nowgo ahead and import the projects from your previous workspace:

   File | Import | Existing Projects into Workspace

1. 创建一个新的（空的）工作区：

   档案 | 切换工作区 | 其他

2. 现在继续从之前的工作区导入项目：

   档案 | 进口 | 将现有项目放入工作区

回答by Abhishek

It can also occur if you took a new Git clone or are pointing to an earlier Git project. Just click File->Close All and reopen the files you wanted to access. It worked in my case.

如果您使用新的 Git 克隆或指向早期的 Git 项目，也会发生这种情况。只需单击“文件”->“全部关闭”并重新打开您要访问的文件。它在我的情况下有效。

回答by Callat

In 2019 I had the same issue working with a Spring Project. I did a git fetchthen git pulland none of the new files got pulled into Eclipse JEE.

在 2019 年，我在使用 Spring 项目时遇到了同样的问题。我做了一个git fetch然后git pull没有任何新文件被拉入 Eclipse JEE。

What I did to fix this was:

我为解决这个问题所做的是：

• Delete existing workspace: Do this by right-clicking folder-name in project explorer and clicking delete. DO NOT click the tick box for deleting contents in the next pop-up doing that will delete the files from your computer. Just delete them from the Eclipse workspace
• Re-import with file -> Import -> General -> Import existing and select your directory of the project

• 删除现有工作区：通过在项目资源管理器中右键单击文件夹名称并单击删除来执行此操作。请勿在下一个弹出窗口中单击用于删除内容的复选框，否则会从您的计算机中删除文件。只需从 Eclipse 工作区中删除它们
• 使用文件重新导入 -> 导入 -> 常规 -> 导入现有并选择您的项目目录

Doing this should grab all the latest versions of those files, including the new ones pulled down from git.

这样做应该会获取这些文件的所有最新版本，包括从 git 中提取的新版本。