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Old July 1st, 2009, 01:18 PM
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Default Servlet have error:(

Hello, I am peggie. I would like to retrieve image from the database and display it on the servlet. However, it result in an error.

Here are my codes:

package sg.edu.nyp.sit;

import java.io.IOException;
import java.io.InputStream;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

* Servlet implementation class RetreiveImage
public class RetrieveImage extends HttpServlet {
private static final long serialVersionUID = 1L;

* Default constructor. 
public RetrieveImage() {
// TODO Auto-generated constructor stub

* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
String connectionURL = "jdbc:mysql://localhost:3306/images";
java.sql.Connection con=null;
Statement st1=con.createStatement();
ResultSet rs1 = st1.executeQuery("select image from picture where pictureid='1'");
String imgLen="";
int len = imgLen.length();
byte [] rb = new byte[len];
InputStream readImg = rs1.getBinaryStream(1);
int index=readImg.read(rb, 0, len); 

} catch (Exception e){



* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub

 <H1>HTTP Status 404 - /peggie/servlet/sg.edu.nyp.sit.RetrieveImage
type Status report
message /peggie/servlet/sg.edu.nyp.sit.RetrieveImage
description The requested resource (/peggie/servlet/sg.edu.nyp.sit.RetrieveImage) is not available.
Apache Tomcat/6.0.18

Coulde you guys help me solve it asap.
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  #2 (permalink)  
Old July 7th, 2009, 09:28 AM
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Join Date: Mar 2007
Location: Hyderabad, A.P., India.
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You servlet mapping code might help to identify the problem.
404 is - resource not found error!
- Rakesh
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