Hi!
I am using JBServer-4.0.2 and JBPortal-2.0. I am going to update a table in a
Oracle database. I am calling a jsp page to a portlet and thruogh that jsp file
I am going to call a servlet to update the database.
NewStudentDetailsServlet.java
package classes;
|
| import java.io.*;
| import javax.servlet.*;
| import javax.servlet.http.*;
| import java.sql.*;
|
| public class NewStudentDetailsServlet extends HttpServlet {
|
| Connection con=null;
| PreparedStatement stmt=null;
|
| public void init(ServletConfig config) throws ServletException {
|
|
|
| }
|
| public void doGet(HttpServletRequest req,HttpServletResponse res)throws
ServletException,IOException
| {
|
| PrintWriter out=res.getWriter();
| res.setContentType("text/html");
|
|
| try {
| Class.forName("oracle.jdbc.driver.OracleDriver");
|
con=DriverManager.getConnection("jdbc:oracle:thin:@cmbrnd5:1521:sedna","ip_jpf","ip_jpf");
| stmt=con.prepareStatement("INSERT INTO PERA VALUES(?,?,?)");
|
| stmt.clearParameters();
| stmt.setString(1,req.getParameter("name"));
| stmt.setString(2,req.getParameter("address"));
| stmt.setString(3,req.getParameter("regno"));
| stmt.executeUpdate();
|
| out.println("Thank you!");
|
| }
|
| catch(Exception e){
| e.printStackTrace();
| }
|
| }
|
| public void destroy()
| {
|
| try {
| if(con!=null)
| con.close();
| }
|
| catch(Exception e) {}
|
| }
|
| }
|
NewStudentPortlet.java
package classes.newstudent;
|
| import javax.portlet.ActionRequest;
| import javax.portlet.ActionResponse;
| import javax.portlet.GenericPortlet;
| import javax.portlet.PortletException;
| import javax.portlet.PortletSecurityException;
| import javax.portlet.RenderRequest;
| import javax.portlet.RenderResponse;
| import javax.portlet.UnavailableException;
| import javax.portlet.*;
| import java.io.IOException;
|
| public class NewStudentPortlet extends GenericPortlet
| {
| private static final String JSP_PATH = "/WEB-INF/jsp";
|
| public void init()
| {
| }
|
| protected void doView(RenderRequest req, RenderResponse res) throws
PortletException, IOException, UnavailableException
| {
| res.setContentType("text/html");
| PortletRequestDispatcher prd =
this.getPortletContext().getRequestDispatcher(JSP_PATH + "/index.jsp");
| prd.include(req, res);
| }
|
| public void processAction(ActionRequest aRequest, ActionResponse
aResponse) throws PortletException, PortletSecurityException, IOException
| {}
|
| public void render(RenderRequest req, RenderResponse res) throws
PortletException, IOException
| {
| res.setTitle(getTitle(req));
| doDispatch(req, res);
| }
| }
index.jsp
<html>
| <body bgcolor="#FFDDCC">
| <form name="New" method="GET" action="/servlet/NewStudentDetailsServlet">
| <align="center">
| <BR>
| <table>
| <tr>
| <TH><B><h2>Enter your details</h2></b></TH>
| </TR><TR>
| <td><b>NAME</b></td>
| <td><input type=text name="name"></td>
| </tr><tr>
| <td><b>ADDRESS</b></td>
| <td><TEXTAREA COLS=30 ROWS=4 NAME="address"></textarea></td>
| </tr><tr>
| <td><b>REG.NO</b></td>
| <TD><input type=text name="regno"></TD>
| </tr><tr>
| <TD><input type=submit value="SUBMIT"></TD>
| <TD><input type=reset value="CANCEL"></TD>
| </TR>
| </TABLE>
| </align>
| </form>
| </body>
| </html>
web.xml
<?xml version="1.0"?>
| <!DOCTYPE web-app
| PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
| "http://java.sun.com/dtd/web-app_2_3.dtd";>
| <web-app>
| <servlet>
| <servlet-name>NewStudentDetailsServlet</servlet-name>
| <servlet-class>NewStudentDetailsServlet</servlet-class>
| </servlet>
|
| <servlet-mapping>
| <url-pattern>/servlet/NewStudentDetailsServlet</url-pattern>
| <servlet-name>NewStudentDetailsServlet</servlet-name>
| </servlet-mapping>
| </web-app>
The jsp is loading correctly to the portlet. But after I click submit it gives
404- page not found. Can somebody tell me what is the error...
Thanx...
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