com.mchange.v2.resourcepool.CannotAcquireResourceException

作者：笔触狂放9 | 2024-05-26 16:33:20

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com.mchange.v2.resourcepool.cannotacquireresourceexception: a resourcepool c

Exception in thread "main" java.sql.SQLException: Connections could not be acquired from the underlying database!

<pre name="code" class="html">Caused by: com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source.

这是链接不到数据库，原因多种，我遇到一种，就是我的数据库没有设置密码，而我设置了密码去使用


user=root
password=123
driverclass=com.mysql.jdbc.Driver
jdbcurl=jdbc:mysql://localhost:3306/hibernate

后来改成无密码，则对上了


user=root
password=
driverclass=com.mysql.jdbc.Driver
jdbcurl=jdbc:mysql://localhost:3306/hibernate

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