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while click on url why control goes web.xml file in any application in java

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while click on url why control goes web.xml file in any application in java
posted Oct 6, 2013 by Nagarajuk

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Question seems to be not clear, can you please put more information about the question so that someone can respond on this.

1 Answer

+1 vote

Java web applications use web.xml as a deployment descriptor file to determine how URLs map to servlets, which URLs require authentication, and other information. The web.xml describes the classes, resources and configuration of the application and how the web server uses them to serve web requests.

answer Oct 6, 2013 by Satyabrata Mahapatra
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+3 votes

In Java
I am using statement a += b where a is int and b is double, when I use a += b, it won't give error but in case of a = a + b it gives error, why ?

+2 votes

This is the xml file, I need to parse and store data into database using java some nodes are missing during parsing.

<Products>
<Product>
<ProductURLs>
<ProductURL>http://www.partner.viator.com/en/13689/tours/Rome/Skip-the-Line-Vatican-Museums-Walking-Tour-including-Sistine-Chapel-Raphael-s-Rooms-and-St-Peter-s/d511-3731VATICAN</ProductURL>
</ProductURLs>
<ProductStarRating>
<AvgRating>4.5</AvgRating>
<AvgRatingStarURL>http://www.partner.viator.com/images/stars/red/17-4_5.gif</AvgRatingStarURL>
</ProductStarRating>
<IATAcode>Rome</IATACode>
<BookingType>FreesaleOnRequest</BookingType>
<VoucherOption>VOUCHER_E</VoucherOption>
<ProductStarRating>
<AvgRating>4.5</AvgRating>
<AvgRatingStarURL>http://www.partner.viator.com/images/stars/red/17-4_5.gif</AvgRatingStarURL>
</ProductStarRating>
</Product>
<Product>
<ProductURLs>
<ProductURL>http://www.partner.viator.com/en/13689/tours/Rome/Skip-the-Line-Vatican-Museums-Walking-Tour-including-Sistine-Chapel-Raphael-s-Rooms-and-St-Peter-s/d511-3731VATICAN</ProductURL>
</ProductURLs>
<ProductStarRating>
<AvgRating>4.5</AvgRating>
<AvgRatingStarURL>http://www.partner.viator.com/images/stars/red/17-4_5.gif</AvgRatingStarURL>
</ProductStarRating>
<IATAcode>Rome</IATACode>
<BookingType>FreesaleOnRequest</BookingType>
<VoucherOption>VOUCHER_E</VoucherOption>
</Product>
<Product>
<ProductURLs>
<ProductURL>http://www.partner.viator.com/en/13689/tours/Rome/Skip-the-Line-Vatican-Museums-Walking-Tour-including-Sistine-Chapel-Raphael-s-Rooms-and-St-Peter-s/d511-3731VATICAN</ProductURL>
</ProductURLs>
<ProductStarRating>
<AvgRating>4.5</AvgRating>
<AvgRatingStarURL>http://www.partner.viator.com/images/stars/red/17-4_5.gif</AvgRatingStarURL>
</ProductStarRating>
<BookingType>FreesaleOnRequest</BookingType>
<VoucherOption>VOUCHER_E</VoucherOption>
</Product>
</Products>

this is my java code

package test;

import javax.print.attribute.standard.Destination;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.w3c.dom.Node;
import org.w3c.dom.Element;
import org.w3c.dom.Text;

import com.mysql.jdbc.PreparedStatement;
import java.io.File;
import java.io.StringWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;


public class Test3 {

    public static void main(String[] args) {

        try {
            PreparedStatement pstatement = null;
            Class.forName("com.mysql.jdbc.Driver");
            Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8", "root", "passwurd");
            Statement st=con.createStatement();
            File fXmlFile = new File("E:/xml/xml/test.xml");
            DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
            DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
            Document doc = dBuilder.parse(fXmlFile);

            //optional, but recommended
            //read this - http://stackoverflow.com/questions/13786607/normalization-in-dom-parsing-with-java-how-does-it-work
            doc.getDocumentElement().normalize();

            System.out.println("Root element :" + doc.getDocumentElement().getNodeName());

            NodeList nList1 = doc.getElementsByTagName("Product");

            System.out.println("----------------------------");

            for (int temp = 0; temp < nList1.getLength(); temp++) {

                Node nNode = nList1.item(temp);

                //System.out.println("\nCurrent Element :" + nNode.getNodeName());  

                Element eElement = (Element) nNode;
                //System.out.println("Rank : " + eElement.getElementsByTagName("Rank").item(0).getTextContent());

                if(eElement.getElementsByTagName("IATACode")  == null || eElement.getElementsByTagName("IATACode").getLength() <1 ) 
                {

                    System.out.println("2");
                    String IATA_CODE="";
                    String queryString = "INSERT INTO VIATOR_PRODUCTS(IATA_CODE) VALUES (?)";
                    pstatement = (PreparedStatement) con.prepareStatement(queryString);
                    pstatement.setString(1, IATA_CODE);

                    pstatement.executeUpdate(); 
                }
                else if(eElement.getElementsByTagName("IATACode")  != null && eElement.getElementsByTagName("IATACode").getLength() >0 || eElement.getElementsByTagName("AvgRating")  != null && eElement.getElementsByTagName("AvgRating").getLength() >0) 
                {
                    System.out.println("1");
                    String IATA_CODE=eElement.getElementsByTagName("IATACode").item(0).getTextContent();
                    //  String AVG_RATING_STAR_URL=eElement.getElementsByTagName("AvgRatingStarURL").item(0).getTextContent();
                    String  AVG_RATING=eElement.getElementsByTagName("AvgRating").item(0).getTextContent();

                    //String IATA_CODE=eElement.getElementsByTagName("IATACode").item(0).getTextContent();

                    //  String IATA_CODE=eElement.getElementsByTagName("IATACode").item(0).getTextContent();
                    String queryString = "INSERT INTO VIATOR_PRODUCTS(IATA_CODE,AVG_RATING) VALUES (?,?)";
                    pstatement = (PreparedStatement) con.prepareStatement(queryString);
                    pstatement.setString(1, IATA_CODE);
                    //  pstatement.setString(2, AVG_RATING_STAR_URL);
                    pstatement.setString(2, AVG_RATING);
                    pstatement.executeUpdate(); 
                }
                else 
                {   
                    System.out.println("3");
                    String  AVG_RATING="";

                    String queryString = "INSERT INTO VIATOR_PRODUCTS(AVG_RATING) VALUES (?)";
                    pstatement = (PreparedStatement) con.prepareStatement(queryString);
                    pstatement.setString(1, AVG_RATING);

                    pstatement.executeUpdate(); 
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
+3 votes

I am trying to debug a javascript file, which is used in a .jsp file. When I debug the using F12 in IE10 I did not find that particular file in the debugger tool.

Can anybody please tell, why that particular file is not showing even it is present in project folder location?

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