myBatis串連MySQL報異常：No operations allowed after connection closed.Connection was implicitly closed

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網站運行一個晚上，早上來上班，發現報錯：

### Error querying database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.

網上查了下，由於使用了預設配置，空閑超過8小時，自動斷開該串連

我使用的是mybatis的預設串連池，於是把該配的，都配置上。datasource的屬性，可參考mybatis官方文檔

        <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"/>                <!-- 對於閒置串連一個小時檢查一次 -->                <property name="poolPingConnectionsNotUsedFor" value="3600000"/>            </dataSource>        </environment>

參考：http://fengbin2005.iteye.com/blog/1906488

很棒的一篇文章：《深入理解mybatis原理》 Mybatis資料來源與串連池

myBatis串連MySQL報異常：No operations allowed after connection closed.Connection was implicitly closed