JRE System Library [jdk1.7]和Server Library [Apache Tomcat v6.0]错误解决方案
今天在用javaEE导入一个JavaWeb工程时,报了错误,打了个大大的红叉,通过单击导入的文件工程名,点击属性(properties),查看JavaBuildPath,有如下信息:JRESystemLibrary[jdk1.7](unbound)和ServerLibrary[ApacheTomcatv7.0](unbound)JRESystemLibrary[jdk1.7](unbound) 系