mysql 创建连接是 Cannot create PoolableConnectionFactory (Unknown character set: 'utf8mb4')
Cannot create PoolableConnectionFactory (Unknown character set: 'utf8mb4')
maven 依赖换版本
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.6</version>
</dependency>
posted on 2017-03-22 08:59 signheart 阅读(2424) 评论(0) 编辑 收藏 举报