java.sql.SQLException: Listener refused the connection with the following error:这是什么错误啊

java.sql.SQLException: Listener refused the connection with the following error:这是什么错误啊
java.sql.SQLException: Listener refused the connection with the following error:
这是什么错误啊

java.sql.SQLException: Listener refused the connection with the following error:这是什么错误啊
数据库连接异常.具体的不太清楚了.检查一下数据库连接.数据库服务.SQL语句.还有连接驱动.