Java compiler level does not match the version of the installed Java project fac，compilerfac

Java compiler level does not match the version of the installed Java project fac，compilerfac

 

Java compiler level does not match the version of the installed Java project fac

博客分类： J2EE Java

Java compiler与 Java project facet中的java的版本不一致造成的.

右键点击项目，选择properties，找到java compiler和project facets，将其java版本号改成一致即可。