** IDEA解决Error:java: System Java Compiler was not found in classpath ** 网上搜到都是setting-> Build, Execution, Deployment->Compiler ->Java Compiler 将javac改成eclipse` 但是改了之后又会报eclipse的编译失败 将项目换一个工作空间(换一个路径),重新Git项目导入,maven设置本地库,编译通过了 `