水性工业漆发展:在代码都正确的情况下，有哪位高手能帮我解答一下为何会出现以下错误，谢谢拉

HTTP Status 500 -
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type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Communication link failure: Bad handshake
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:867)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:800)
org.apache.jsp.reg2_jsp._jspService(reg2_jsp.java:88)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
root cause
java.sql.SQLException: Communication link failure: Bad handshake
com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:659)
com.mysql.jdbc.Connection.createNewIO(Connection.java:1562)
com.mysql.jdbc.Connection.(Connection.java:491)
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:346)
java.sql.DriverManager.getConnection(Unknown Source)
java.sql.DriverManager.getConnection(Unknown Source)
org.apache.jsp.reg2_jsp._jspService(reg2_jsp.java:48)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
note The full stack trace of the root cause is available in the Tomcat logs.
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Apache Tomcat/5.0.16
可是我的MySQL是5.0的诶貌似.....