java.sql.SQLException: Connections could not be acquired from the underlying database!
使用C3P0访问数据库的时候会出现这样的异常，大部分情况下是因为c3p0-config.xml里面有错误。基本是因为properties元素后面内容没有全部小写。基本百度一下就可以解决。 我今天这个问题就比较奇葩，因为学习的时候使用的是eclipse，创建的是web项目。所以习惯把c3p0-config.xml文件直接放在src下面。 但是使用web项目过程中发生j
相关文章
- 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...
- • SQL NOT NULL 约束 - SQL 教程
- • SQL CREATE DATABASE 语句 - SQL 教程
- • 为了进字节跳动，我精选了29道Java经典算法题，带详细讲解
- • JDK13 GA发布：5大特性解读
相关标签/搜索
每日一句
-
每一个你不满意的现在，都有一个你没有努力的曾经。
欢迎关注本站公众号,获取更多信息
相关文章
- 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!