cp30 An attempt by a client to checkout a Connection has timed out.

最新推荐文章于 2023-06-17 07:53:19 发布
原创 最新推荐文章于 2023-06-17 07:53:19 发布 · 330 阅读 · 1 ·
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#mysql #jdbc #java

本文探讨了cp30编译时遇到的数据库连接超时错误，原因可能是数据库jar包升级和时区不匹配。解决方案是将jdbcUrl设置为包含serverTimezone参数。

cp30 An attempt by a client to checkout a Connection has timed out.

关于cp30编译控制台输出错误，同时以及Druid输出控制台报错的原因，如果连接池的size都试了还是报错的话，可能是数据库jar包mysql-connector-java的jar包为新版本，以及自己的数据库为8以上，解决这个问题，可以试着将
你的数据库(xxxxx)后加上?serverTimezone=GMT

<property name="jdbcUrl">jdbc:mysql://localhost:3306/xxxxx?serverTimezone=GMT</property>
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