运行java文件时报错:

Error exists in required project
   Proceed with launch?

报错截图:

eclipse——Error exists in required project    Proceed with launch?

eclipse——Error exists in required project    Proceed with launch?

问题参生原因:开始Buildpath了一个jar,然后把这个jar包又删除了

解决方法:进入Configure Build Path,可以看到要给jar包找不到了,要么引入该jar包,要么删除该jar包

eclipse——Error exists in required project    Proceed with launch?

 

eclipse——Error exists in required project    Proceed with launch?

 

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