Java compiler level does not match the version of the installed Java project facet. springmvc1 和 Target runtime Apache Tomcat v7.0 is not defined.

Java compiler level does not match the version of the installed Java project facet.springmvc1 : 

Java compiler level does not match the version of the installed Java project facet.	springmvc1 和 Target runtime Apache Tomcat v7.0 is not defined.

Java compiler level does not match the version of the installed Java project facet.	springmvc1 和 Target runtime Apache Tomcat v7.0 is not defined.

Target runtime Apache Tomcat v7.0 is not defined.

Java compiler level does not match the version of the installed Java project facet.	springmvc1 和 Target runtime Apache Tomcat v7.0 is not defined.

Java compiler level does not match the version of the installed Java project facet.	springmvc1 和 Target runtime Apache Tomcat v7.0 is not defined.