警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclips

  

警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclips

 

 

 

一般解决方法：

把E:\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp1\wtpwebapps\ Unit_2_Program\WEB-INF\lib\javaee.jar) - jar not loaded. See Servlet 删除了

server里把项目移除再clear 再添加后重启。