Scenario description: I use MyEclipse 2014 to open the MyEclipse 8.5 project. There are no errors in the code, and the project has a red cross. It is too uncomfortable for a coder with obsessive-compulsive disorder. After looking for a lot of information, I finally found this blog post to help me solve the problem, reprint For the record, thanks to the author
Original address: http://blog.csdn.net/steveguoshao/article/details/38414145