Restlet Client 500 Internal server error

Question

[12:16:43.665][DEBUG][org.mybatis.spring.SqlSessionUtils][http-apr-8080-exec-8] Creating a new SqlSession

[12:16:43.689][DEBUG][org.mybatis.spring.SqlSessionUtils][http-apr-8080-exec-8] SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@3bab143a] was not registered for synchronization because synchronization is not active

[12:17:04.897][DEBUG][org.mybatis.spring.SqlSessionUtils][http-apr-8080-exec-8] Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@3bab143a]

Answer 1

Geely 2018-04-22 18:54:29

500错误都是系统出现异常了，检查即可，赞解决。

Answer 2

提问者 慕盖茨8161649 2018-04-18 13:04:01

日志

### The error may exist in file [E:\apache-tomcat-7.0.73\webapps\ROOT\WEB-INF\classes\mappers\UserMapper.xml]

### The error may involve com.mmall.dao.UserMapper.checkUsername

### The error occurred while executing a query

### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Communications link failure

Answer 3

提问者 慕盖茨8161649 2018-04-18 15:02:22

自己解决了 问题是mapper里有一个para的value写错了 啊

• i_am_coding #1

  同样的错误，也是mapper xml里面的问题，多谢提醒