連接JDBC報錯:com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server.


問題:
Spring整合Mybatis時候,出現數據庫連接異常:

com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.

分析:

找了好半天的原因,最后發現是相關jdbc驅動包版本太低

解決方法:

下載最新版的mysql-connector-java即可。
雖然可以連接成功,但是控制台還是提示:

Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary.

修改一下mybatis-config.xml

<!--<property name="driver" value="com.mysql.jdbc.Driver"/>-->
<property name="driver" value="com.mysql.cj.jdbc.Driver"/>


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