mysql-SQL Error: 1205, SQLState: 41000——CSDN问答频道
https://ask.csdn.net/questions/176492

mysql-SQL Error: 1205, SQLState: 41000-mysql教程-PHP中文网
http://www.php.cn/mysql-tutorials-82336.html

JDBC exception on Hibernate data access – cui_Sunny的专栏 – CSDN博客
https://blog.csdn.net/suncui234/article/details/8375005

JDBC exception on Hibernate data access问题 – lobinsonCJX的博客 – CSDN博客
https://blog.csdn.net/qq_21915727/article/details/53084065

mysql – JDBC exception on Hibernate data access – Stack Overflow
https://stackoverflow.com/questions/31534404/jdbc-exception-on-hibernate-data-access

java – I am getting a HTTP Status 500 – JDBC exception on Hibernate data access: SQLExceptionforSQL Cannotopenconnection when deploying my project in tomcat – Stack Overflow
https://stackoverflow.com/questions/29833853/i-am-getting-a-http-status-500-jdbc-exception-on-hibernate-data-access-sqlexc

mysql-SQL Error: 1205, SQLState: 41000-mysql教程-PHP中文网
http://www.php.cn/mysql-tutorials-82336.html