java.sql.SQLException: Connections could not be acquired from the underlying database!

时间 2021-01-05

标签连接池 c3p0 栏目 Java 繁體版

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今天学习连接池c3p0遇到这个错误 java.sql.SQLException: Connections could not be acquired from the underlying database! 刚开始还以为是c3p0-config.xml 配置有问题看了半天没错之后又以为是mysql版本的问题于是去更改mysql的版本发现还是这个错误在仔细看看这个错误Connection

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7. 解决Connections could not be acquired from the underlying database!问题
8. Connections could not be acquired from the underly
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1. java.sql.SQLException: Connections could not be acquired from the underlying database!
2. hibernate Connections could not be acquired from the underlying database!
3. Connections could not be acquired from the underlying database!
4. JDBC c3p0 配置异常：java.sql.SQLException: Connections could not be acquired from the underlying database
5. 解决：Connections could not be acquired from the underlying database!
6. Connections could not be acquired from the underlying database! 特殊情况
7. 解决Connections could not be acquired from the underlying database!问题
8. Connections could not be acquired from the underly
9. 关于数据库连接报错Connections could not be acquired from the underlying database!
10. maven整合ssm时报的错：Connections could not be acquired from the underlying database!

>>更多相关文章<<