connecting to mysql using jsp
- From: "bindu" <u27059@uwe>
- Date: Sun, 24 Sep 2006 16:46:24 GMT
hi,
I am trying to connect to database using jsp and mysql.java1.4.0,mysql5.0.
25and tomcat5.0 and copied mysql-connector-java-3.1.8-bin-g.jar into tomcat\
common\lib folder and also in tomcat\webapps.In the webapps i stored my
folder.when irun my code i am getting following error
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: org/aspectj/lang/Signature
org.apache.jasper.runtime.PageContextImpl.doHandlePageException
(PageContextImpl.java:825)
org.apache.jasper.runtime.PageContextImpl.handlePageException
(PageContextImpl.java:758)
org.apache.jsp.imagecode_jsp._jspService(imagecode_jsp.java:129)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:
298)
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:810)
root cause
java.lang.NoClassDefFoundError: org/aspectj/lang/Signature
java.lang.Class.forName0(Native Method)
java.lang.Class.forName(Class.java:130)
org.apache.jsp.imagecode_jsp._jspService(imagecode_jsp.java:84)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:
298)
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:810)
note The full stack trace of the root cause is available in the Apache
Tomcat/5.0.25 logs.
------------------------------------------------------------------------------
--
this is the code for inserting data;
<html>
<head>
<title>result:</title>
</head>
<body bgcolor=#FFFFFF>
<h1>
<font color=white>
result:
</font>
</h1>
<%@ page info="File uploader"%>
<%@ page import="java.io.*"%>
<%@ page import="java.io.File"%>
<%@ page import="java.util.*"%>
<%@ page import="java.sql.*"%>
<%@ page import="java.sql.Blob"%>
<%@ page import="java.sql.PreparedStatement"%>
<%@ page import="javax.servlet.*"%>
<%@ page import="javax.servlet.http.*"%>
<%
//initializing database connection
try
{
String driver = "org.gjt.mm.mysql.Driver";
Class.forName(driver).newInstance();
Connection con=null;
ResultSet rst=null;
Statement stmt=null;
String url="jdbc:mysql://localhost:3306/tenminutesoffame?
user=root&password=123456";
con=DriverManager.getConnection(url);
stmt=con.createStatement();
String fname=request.getParameter("fname");
String lname=request.getParameter("lname");
String country=request.getParameter("country");
stmt.executeUpdate("insert into form(fname,lname,country) values('"+fname+"',
'"+lname+"','"+country+"')");
con.close();
}
catch (Exception e) {
//print error message
out.println("<center><font size=5> Error in inserting the
data</font></center>");
out.println("the error is:"+e.toString());
}
%>
</body>
</html>
********************************************************************************
this code to retrive data;
<%@ page import="java.sql.*" %>
<%@ page import="java.io.*" %>
<%@ page import="java.sql.Blob"%>
<%@ page import="java.sql.PreparedStatement"%>
<%@ page import="javax.servlet.*"%>
<%@ page import="javax.servlet.http.*"%>
<%@ page info="File uploader"%>
<%
Connection con=null;
ResultSet rst=null;
Statement stmt=null;
try
{
String driver = "org.gjt.mm.mysql.Driver";
Class.forName(driver).newInstance();
String url="jdbc:mysql://localhost:3306/tenminutesoffame?
user=root&password=123456";
con=DriverManager.getConnection(url);
stmt=con.createStatement();
rst=stmt.executeQuery("select * " + "from form");
while(rst.next())
{
out.println( rst.getString("fname") );
out.println(rst.getString("lname"));
out.println(rst.getString("country"));
}
rst.close();
con.close();
}
catch (Exception e) {
//print error message
out.println("<center><font size=5> Error in inserting the
data</font></center>");
out.println("the error is:"+e.toString());
}
%>
********************************************************************************
this is html code
<html>
<title></title>
<BODY bgColor=lightyellow>
<FORM name=registrationpage2 method=post action="imagecode.jsp">
FIRST NAME:
<INPUT type="text" name="fname" value=" ">
<br>
LAST NAME
<input type="text name="lname" value=" ">
<br>
COUNTRY:
<input type="text name="country" value=" ">
<br>
<input type="button" name=Submit value="Submit">
</body>
</html>
.
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