eclipse 编译的时候额外多了很多错误，怎么回事呢？

Question

最近不知道怎么回事，改一点东西，保存ctrl+s的时候就这样一直报错

怪我咯 · Answer

This is not an error, it is compiling your workspace. If it keeps getting stuck
You can refer to this JPA stuck BUG

eclipse 编译的时候 额外多了很多错误，怎么回事呢？