Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exc...

今天发现一个简单的错误,详细如下:

type Exception report

message Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: 
### Error querying database.  Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: jdbc:mysql://127.0.0.1:3306/data_management?characterEncoding=utf-8
### The error may exist in com/aliyun/ssm/dao/ProductDao.xml
### The error may involve com.aliyun.ssm.dao.ProductDao.findAllProducts
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: jdbc:mysql://127.0.0.1:3306/data_management?characterEncoding=utf-8
    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:986)
    org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:870)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
    org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:855)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
    org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
    org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

是配置数据源对象时出错,需要仔细一点.

转载于:https://www.cnblogs.com/scotte/p/10040361.html

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