我的jsp服务器报这个错误,请问题怎么处理,谢谢各位大侠,帮帮小弟这个新手,

[冰刀封情]

连接的是一个mysql数据库



HTTP Status 500 -

--------------------------------------------------------------------------------

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Communication failure during handshake. Is there a server running on localhost:3306?
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:825)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:758)
org.apache.jsp.mysql_jsp._jspService(mysql_jsp.java:84)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


root cause

java.sql.SQLException: Communication failure during handshake. Is there a server running on localhost:3306?
org.gjt.mm.mysql.MysqlIO.init(MysqlIO.java:327)
org.gjt.mm.mysql.Connection.connectionInit(Connection.java:261)
org.gjt.mm.mysql.jdbc2.Connection.connectionInit(Connection.java:89)
org.gjt.mm.mysql.Driver.connect(Driver.java:167)
java.sql.DriverManager.getConnection(DriverManager.java:512)
java.sql.DriverManager.getConnection(DriverManager.java:193)
org.apache.jsp.mysql_jsp._jspService(mysql_jsp.java:50)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.

[kingofvc]

mysql 没启动 或者端口不是3306

[冰刀封情]

mysql是启动了的,我还在里面加了数据库的,导入了SQL,mysql没得问题