db.properties中的配置如下：
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc\:mysql\://localhost\:3306/mydb?useUnicode\=true&characterEncoding\=UTF-8&zeroDateTimeBehavior\=convertToNull
jdbc.username=root
jdbc.password=root

jsp文件配置如下：

  
    
    
    
    


    




  
  
  
   




学生id
学生名称
学生性别
学生年龄
电话号码


${StudentsPo.id}
${StudentsPo.name}
${StudentsPo.sex}
${StudentsPo.age}
${StudentsPo.tel}




  

告警如下：
DEBUG [http-nio-8080-exec-14] - DispatcherServlet with name 'springmvc' processing POST request for [/HelloWorld/queryStudentsPo.action]
DEBUG [http-nio-8080-exec-14] - Looking up handler method for path /queryStudentsPo.action
DEBUG [http-nio-8080-exec-14] - Did not find handler method for [/queryStudentsPo.action]
WARN [http-nio-8080-exec-14] - No mapping found for HTTP request with URI [/HelloWorld/queryStudentsPo.action] in DispatcherServlet with name 'springmvc'
DEBUG [http-nio-8080-exec-14] - Successfully completed request
DEBUG [http-nio-8080-exec-14] - Returning cached instance of singleton bean 'sqlSessionFactory'

jar包完全一样
jdk我是1.8，他是1.6
然后我用的eclipse的mars，他用的myeclipse

运行之后，完全不读取数据库，我把端口号和数据库名删了依旧报这个错，在别的电脑上可以运行，实在不知道哪块出了问题，求大神解决