解决：Connections could not be acquired from the underlying database!
2015-03-08 23:30
603 查看
原因可能如下：
1，驱动配置有误：driver=com.mysql.jdbc.Driver
2，数据库连接地址有误：url=jdbc:mysql://localhost:3306/test? 3useUnicode=true&characterEncoding=utf8
3，密码或帐号有误：username=root password=root/123456
4，数据库未启动或无权访问：
5，项目未引入对应的驱动jar包：mysql-connector-java-5.1.6-bin.jar
1，驱动配置有误：driver=com.mysql.jdbc.Driver
2，数据库连接地址有误：url=jdbc:mysql://localhost:3306/test? 3useUnicode=true&characterEncoding=utf8
3，密码或帐号有误：username=root password=root/123456
4，数据库未启动或无权访问：
5，项目未引入对应的驱动jar包：mysql-connector-java-5.1.6-bin.jar
内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理 
相关文章推荐
- Connections could not be acquired from the underlying database问题解决
- 解决：Connections could not be acquired from the underlying database!
- 解决c3p0：Connections could not be acquired from the underlying database!
- 解决c3p0：Connections could not be acquired from the underlying database!
- 解决：Connections could not be acquired from the underlying database!
- 解决Connections could not be acquired from the underlying database!的问题
- 解决：Connections could not be acquired from the underlying database!
- Connections could not be acquired from the underlying database!异常解决
- spring整合mybaits时Connections could not be acquired from the underlying database!异常解决
- JDBC出现这个错误的解决办法Connections could not be acquired from the underlying database!
- 解决：Connections could not be acquired from the underlying database!
- 解决：Connections could not be acquired from the underlying database!
- 解决：Connections could not be acquired from the underlying database!
- Connections could not be acquired from the underlying database!原因及解决办法
- 解决：Connections could not be acquired from the underlying database
- 连接数据库出现：Connections could not be acquired from the underlying database
- 【JDBC 报错】Connections could not be acquired from the underlying database!
- Connections could not be acquired from the underlying database!
- Connections could not be acquired from the underlying database
- c3p0连接池连接失败：java.sql.SQLException: Connections could not be acquired from the underlying database!