MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException-Toy模板网

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类型 异常报告

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

描述 服务器遇到一个意外的情况，阻止它完成请求。

例外情况

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

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.)
### The error may exist in com/javapandeng/mapper/ItemCategoryMapper.xml
### The error may involve com.javapandeng.mapper.ItemCategoryMapper.listBySqlReturnEntity
### 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

连不上数据库！！！

检查配置项是否错误！

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.:3306/fruit_shop?useUnicode=true&characterEncoding=utf-8
jdbc.username=root
jdbc.password=123456

127.0.0.1 漏了个1文章来源地址https://www.toymoban.com/news/detail-636187.html

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