myBatis连接MySQL报异常：No operations allowed after connection closed.Connection was implicitly closed た 入场券 2022-05-25 04:35 146阅读 0赞 \#\#\# Error querying database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. 网上查了下，由于使用了默认配置，空闲超过8小时，自动断开该连接 我使用的是mybatis的默认连接池，于是把该配的，都配置上。datasource的属性，可参考[mybatis官方文档][mybatis] <environment id="env_stg"> <transactionManager type="JDBC" /> <dataSource type="POOLED"> <property name="driver" value="${driver}" /> <property name="url" value="${url_stg}" /> <property name="username" value="${username}" /> <property name="password" value="${password}" /> <property name="poolMaximumActiveConnections" value="20"/> <property name="poolMaximumIdleConnections" value="5"/> <!-- MySQLNonTransientConnectionException: No operations allowed after connection closed --> <property name="poolPingQuery" value="select 1"/> <property name="poolPingEnabled" value="true"/> <!-- 对于空闲的连接一个小时检查一次 --> <property name="poolPingConnectionsNotUsedFor" value="3600000"/> </dataSource> </environment> 参考：[http://fengbin2005.iteye.com/blog/1906488][http_fengbin2005.iteye.com_blog_1906488] [mybatis]: http://www.mybatis.org/mybatis-3/configuration.html#environments [http_fengbin2005.iteye.com_blog_1906488]: http://fengbin2005.iteye.com/blog/1906488
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