Eclipse不会生成import语句，停止显示Quick Fix建议 [英] Eclipse won't generate import statements, stopped showing Quick Fix suggestions

问题描述

我的Eclipse安装突然停止显示导入建议。如果我键入不在当前包中的类名称，则自动完成工作正常并显示该类，但是从下拉列表中选择后，类名将突出显示为错误，MyClass无法解析为变量。此错误显示没有快速修复建议。但是，如果我在文件顶部手动添加相关的 import 语句，代码编译并运行正常。

我检查过我的构建路径，一切似乎是按顺序的 - 就像我说的那样，当我手动执行 import 语句时，代码运行，但是失去自动进口真的让我失望。任何想法可能出了什么问题？上个星期工作正常！

ETA：另一个注意事项，如果它有帮助：F3仍然打开类声明，所以Eclipse清楚地知道我是什么意思，即使没有导入声明。

另外：没有帮助的事情：

• 清洁所有项目


• 重新启动Eclipse


• 重新启动计算机


• 删除 .metadata 从工作区，重新导入项目


• 启动新的Java项目，重新链接源文件夹，重新添加依赖关系（不使用Maven，但这不是我的选择） / li>
  

解决方案

感谢所有的帮助，大家，但事实证明是一个破坏的Eclipse安装。

我还没有弄清楚如何或什么被打破了，但我试图用一个Hello World类创建一个新项目。新类向导在类 org.eclipse.wst.jsdt.internal.core.dom.rewrite.ImportRewriteAnalyzer 中的创建元素失败错误。一旦我在Eclipse中遇到内部错误，我放弃了并从新的下载安装了一个新的Eclipse。

使用新的Eclipse，我得到了我的Quick Fix建议，以及自动进口。我猜，将来我会尝试重新安装Eclipse，然后再去寻找解决方案来掩盖以下错误： - /

My Eclipse installation suddenly stopped showing import suggestions. If I type a class name that isn't in the current package, autocomplete works fine and shows the class, but after picking from the drop-down, the class name is highlighted as an error with the message "MyClass cannot be resolved to a variable". This error shows no Quick Fix suggestions. However, if I manually add the relevant import statement at the top of the file, the code compiles and runs fine.

I've checked my build path and everything appears to be in order -- and like I said, the code runs when I hand-jam the import statement -- but losing automatic importing is really slowing me down. Any idea what could have gone wrong? It worked fine last week!

ETA: Another note, if it helps: F3 still opens the class declaration, so Eclipse clearly knows what I "mean", even without the import statement.

Also also: Things that have not helped:

• Clean all projects
• Restarting Eclipse
• Restart computer
• Delete .metadata from workspace, re-import project
• Start new Java project, re-link source folder, re-add dependencies (not using Maven, but that's not my choice)

解决方案

Thanks for all the help, everybody, but this turns out to have been a case of a broken Eclipse install.

I still haven't figured out exactly how or what was broken, but I tried to make a new project with a single "Hello World" class. The New Class wizard errored out with "Creation of element failed" in the class org.eclipse.wst.jsdt.internal.core.dom.rewrite.ImportRewriteAnalyzer. Once I hit "internal errors" in Eclipse, I gave up and installed a fresh Eclipse from a new download.

With a new Eclipse, I got my Quick Fix suggestions back, as well as automatic imports. I guess in future I'll try reinstalling Eclipse before I go looking for solutions to obscure errors like this :-/

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