Eclipse：由于错误，项目未构建
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Eclipse: The project was not built due to error
提问by Robert
I get this error message whenever I create new Spring MVC projects in Eclipse STS.
每当我在 Eclipse STS 中创建新的 Spring MVC 项目时，我都会收到此错误消息。
The project was not built due to "Error deleting resource '/ProjectName/target/classes/log4j.xml' from the workspace tree." Fix the problem, then try refreshing this project and building it since it may be inconsistent.
The project was not built due to "Error deleting resource '/ProjectName/target/classes/log4j.xml' from the workspace tree." Fix the problem, then try refreshing this project and building it since it may be inconsistent.
Why is this happening? I haven't changed anything and the file located at classes\log4j.xmlexist on the file system. When I try to import the files, Eclipse tells me that I can't because the source is already existing in the project (even though it's telling me it has been deleted).
为什么会这样？我没有改变任何东西，位于classes\log4j.xml文件系统上的文件存在。当我尝试导入文件时，Eclipse 告诉我不能，因为源已经存在于项目中（即使它告诉我它已被删除）。
回答by Vaishak Suresh
This may be because the file/folder is locked and eclipse could not delete it. Try re-starting Eclipse. If that doesn't work, manually delete the files. Since it is in classes folder, it will get re-created when you build.
这可能是因为文件/文件夹被锁定，eclipse 无法删除它。尝试重新启动 Eclipse。如果这不起作用，请手动删除文件。由于它在 classes 文件夹中，因此在构建时会重新创建。
If all else fails, try restarting the machine.
如果一切都失败了，请尝试重新启动机器。
