connections Database 的相关内容

文章 2023-08-11 来自：开发者社区

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

在连接数据库测试的时候，突然报了该错误，之前曾听别人说过，mysql在升级为8.x版本后要加上时区，否则会报错，果不其然今天就报错：java.lang.RuntimeException: java.sql.SQLException: Connections could not be acquired from the underlying database! at com.zhanshen....

文章 2017-03-01 来自：开发者社区

数据库连接问题之：Caused by: java.sql.SQLException: Connections could not be acquired from the underlying database!

要么是驱动问题(没加载到工程中去或者其他问题)要么是账号密码或者url或者driver写错 driver：com.mysql.jdbc.Driver url:jdbc:mysql://localhost:3306/数据库名称

文章 2016-07-13 来自：开发者社区

【JDBC 报错】Connections could not be acquired from the underlying database!

项目启动报错：　　 1 [2016-07-13 10:04:15,074] ERROR org.apache.ibatis.executor.BaseExecutor Could not get a databaseId from dataSource 2 java.sql.SQLException: Connections could not be acquired from th...

文章 2014-12-27 来自：开发者社区

Connections could not be acquired from the underlying database

从基础数据库，无法获取连接，无法连接到数据库。严重: StandardWrapper.Throwableorg.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.sql.SQL....

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更新时间 2024-02-27 09:14:21

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