【讨论】这是什么意思

【讨论】这是什么意思

[center]:p java.sql.SQLException: Cannot connect to MySQL server on localhost:5555. Is there a MySQL server running on the machine/port you are trying to connect to? (java.net.ConnectException) [/center]
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[center]我调试JSP文件时进入页面了,但有上面的提示,是什么意思,?请教老大们!!磕头![/center]      
MySQL工作在3306端口