JSP :: Reading Data From MySQL Database And Displaying Results On Webpage - HTTP Status 500 Error

Feb 13, 2014

I have created a jsp file which does the simple task of reading data from a mysql database and displaying the results on a web page. Please see below:

<%@ page import="java.io.*,java.util.*,java.sql.*"%>
<%@ page import="javax.servlet.http.*,javax.servlet.*" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/sql" prefix="sql"%>

[Code] ....

However, each time I run the jsp file in the browser with my localhost as server, I get an HTTP Status 500 error.

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Apr 5, 2014

I have written some error checking code

File name ErrorPage.jsp

<%@ page language="java" isErrorPage="true" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Error</title>
</head>

[code]...

I have put error.jsp and badpage.jsp file in public access folder that is web content in eclipsewhen I am running the code I am status code of 500 and not the errorpage.jsp message .

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Mar 9, 2014

i am using netbeans6.7.1 version i implemented one program i.e web application ..when am excuting this one i got one error http status 500...

this is the code:

SumServlet.java
package com.sum;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;

[code]....

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correct this error

WishSrv.java

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[code]...

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Feb 26, 2014

Below is my Servletclass code

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class MyFirstServlet extends HttpServlet {

[Code] .....

I have configured tomcat7 in my ecclipse ide...

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May 22, 2014

I'm trying to learn java by making a login page using java, servlet, javascript, html and mysql. I can login with username and password, I can get all the information from database in the edit page. However, when I edit and click on "Submit" in EditPage.jsp, it gives HTTP Status 404. Same screen appears when I click on "Sign Up" from first page (NewFile.jsp) and click on "Submit" button after filling up user information.

I am posting all my code here but probably important ones are:

EditPage.jsp, Edit.java, EditDetails.java, UpdateUser.java and for Sign Up SignUpPage.jsp and Registration.java.

Firstly here are my error message and ss from my project explorer:

Here is my code:

LoginServlet.java
package com.amzi.servlets;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;

[Code] ....

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I am working wit netbean 7.2 ide,oracle 10g. the servlet program does not connected to the oracle db. i always recieve a

HTTP Status 404 -

type Status report

message

descriptionThe requested resource () is not available.

Oracle GlassFish Server 3.1.2.2

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Servlets :: Login Form - All Attributes Are Null And HTTP Status 404 Error In Some Cases

May 20, 2014

I'm a new Java user and I'm trying to code a simple login page. In first page (NewFile.jsp) users should enter their username and password and should click on "login", or click on "sign up".

1.) If user enters his username and password correctly, a login page (LoginPage.jsp) appears and says "welcome null" but it should show the name of that user instead of null.

2.) In that login page there is an edit button to edit profile information. When I clicked on it, every information is "null" and when I edit them and click on "Submit" button;

HTTP Status 404 -
type Status report
message
description The requested resource () is not available.
GlassFish Server Open Source Edition 3.1.2

that message appears.

3.) If I click on "Sign Up" button at the beginning, a registration jsp (SignUpPage.jsp) appears. After filling up text boxes and clicking on "Submit", same Status 404 screen appears.

I created a mysql database called "loginpage" using xampp. In that database there is a table called "users" and it has un, pass, name, surname, email and degree attributes.

Here is a screenshot of my project explorer:

Here is my code:

1. NewFile.jsp

<%@ page import="java.sql.*" %>
<%@ page import="java.io.*" %>
<%@ page import="java.util.*"%>
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>

[Code] .....

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The JSP page is opening but the problem is if l click on the ADD or EDIT button l receive the 405 error Iam using MySQL and glassfish server

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd">

[Code].....

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Jul 27, 2014

try {
is = new FileInputStream(file);
data = new byte[(int) file.length()];
is.read(data);
String extension = "";
int i = file.getName().lastIndexOf('.');
if(i>0)

[Code] ....

Everything works except transferring the image file.

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Nov 5, 2014

I m new to programming and am working on the college project. I have MySQL 5.6.20, Eclipse Kepler and Apache Tomcat 7.0.54. I m trying to retrieve the whole table from MySQL schema into a jsp. All the possible things i can do, i have already tried, but none of them are working.

The following attachment contains the whole project. I have my sql connection code in Sample.java file, which i want to get working in Fetch.jsp on the Submit button click. But it shows the tomcat error as localhost:8080/Sample HTTP Status 404-/Sample ; type Status report; message /Sample; Description The requested resource is not available.

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<head>
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[Code] ....

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Mar 8, 2015

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<%@page contentType="text/html" pageEncoding="UTF-8" %>
<%@page import="java.sql.*;" %>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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</head>
<body>
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Apr 27, 2014

I develop a little app in javaee6 and jsf2. I have a search page which has a search form with 2 fields and a search button when i click search button the results should be displayed in searchresults page.

Here is my code,

search.xhtml page
<h:form id="searchform">
<h:inputText id="deptId" value="#{searchBean.departmentId}"></h:inputText>
<h:inputText id="deptName" value="#{searchBean.deparmentName}"></h:inputText>
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[code]...

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import java.io.*;
import java.util.*;
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[Code] ....

Why throwing this exception?

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at java.sql.DriverManager.getConnection(DriverManager.java:604)
at java.sql.DriverManager.getConnection(DriverManager.java:221)
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[Code] ....
 
HERE IS THE CODE 

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[Code] ....

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public void insertar(JTable tabla, int rowt, int colt) throws ParseException{
String documento=null, cve_clie=null, fechaE=null, fechaR=null, check=null;
char d=' ',dd=' ',m=' ',mm=' ',y1=' ',y2=' ',y3=' ',y4=' ';
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