在JSP中访问数据库大全

能帮我看看下面的问题吗。。急（谢谢）
type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception javax.servlet.ServletException: Access denied for user 'student'@'localhost' (using password: YES)
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:846)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:779)
org.apache.jsp.testMysql_jsp._jspService(org.apache.jsp.testMysql_jsp:76)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:99)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:325)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause java.sql.SQLException: Access denied for user 'student'@'localhost' (using password: YES)
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2847)
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:750)
com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:3558)
com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1151)
com.mysql.jdbc.Connection.createNewIO(Connection.java:1768)
com.mysql.jdbc.Connection.<init>(Connection.java:430)
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:268)
java.sql.DriverManager.getConnection(Unknown Source)
java.sql.DriverManager.getConnection(Unknown Source)
org.apache.jsp.testMysql_jsp._jspService(org.apache.jsp.testMysql_jsp:51)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:99)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:325)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.7 logs.
--------------------------------------------------------------------------------Apache Tomcat/5.5.7