Thread: Can anybody correct the code?

Im just learning jsp.So it would be helpful if somebody can correct my code.


JSP Code :
String x=request.getParameter("longitude");
String y = request.getParameter("latitude");
String addr1 = "http://ws.geonames.org/findNearby?lat="+y+"&lng="+x;
try
{
myURL = new URL(addr1);

}
catch (MalformedURLException e)
{
e.printStackTrace();
}


Document feed = null;
try
{
feed = xmlReader.read(myURL);
System.out.println("Entered");
}
catch (DocumentException e)
{
e.printStackTrace();
}
try
{

String xpathExpression = "/geonames/geoname/";
Node codeISO2= feed.selectSingleNode(xpathExpression+"countryCode ");
Node countryName = feed.selectSingleNode(xpathExpression+"countryName ");
String e=codeISO2.getText();
String f=countryName.getText();
System.out.println(e+f);
System.out.println("The Country Code is "+e+" and the country is "+f);

}
catch(Exception e )
{
System.out.println("Error is "+e);
}



Error is :


org.apache.jasper.JasperException: An exception occurred processing JSP page /countryfind.jsp at line 76

73: String xpathExpression = "/geonames/geoname/";
74:
75:
76: Node codeISO2= feed.selectSingleNode(xpathExpression+"countryCode ");
77: Node countryName = feed.selectSingleNode(xpathExpression+"countryName ");
78: String e=codeISO2.getText();
79: String f=countryName.getText();


Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handle JspException(JspServletWrapper.java:567)
org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:456)
org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:389)
org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:333)
javax.servlet.http.HttpServlet.service(HttpServlet .java:722)


Somebody Please Help.Thanks in advance.

Wrap your code in highlight tags, like this:

[highlight=Java] **JAVA CODE HERE** [/highlight]

Wrap your errors in code tags

[ code] **ERROR HERE** [ /code]

 **JAVA CODE HERE**
 
String x=request.getParameter("longitude");
String y = request.getParameter("latitude");
String addr1 = "http://ws.geonames.org/findNearby?lat="+y+"&lng="+x; 
try 
{
            myURL = new URL(addr1);
 
} 
catch (MalformedURLException e) 
{
e.printStackTrace();
}
 
 
Document feed = null;
try
{
feed = xmlReader.read(myURL);
System.out.println("Entered");
}
catch (DocumentException e) 
{
e.printStackTrace();
}
try
{
 
String xpathExpression = "/geonames/geoname/";
 
[ code] **ERROR HERE** 
 
Node codeISO2= feed.selectSingleNode(xpathExpression+"countryCode ");
Node countryName = feed.selectSingleNode(xpathExpression+"countryName ");
 
[ /code]
String e=codeISO2.getText();
String f=countryName.getText();
System.out.println(e+f);
System.out.println("The Country Code is "+e+" and the country is "+f);
 
}
catch(Exception e )
{
System.out.println("Error is "+e);
}

Error is :


org.apache.jasper.JasperException: An exception occurred processing JSP page /countryfind.jsp at line 76

73: String xpathExpression = "/geonames/geoname/";
74:
75:
76: Node codeISO2= feed.selectSingleNode(xpathExpression+"countryCode ");
77: Node countryName = feed.selectSingleNode(xpathExpression+"countryName ");
78: String e=codeISO2.getText();
79: String f=countryName.getText();


Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handle JspException(JspServletWrapper.java:567)
org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:456)
org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:389)
org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:333)
javax.servlet.http.HttpServlet.service(HttpServlet .java:722)

Please help!!

Sigh, I meant like this

 
String x=request.getParameter("longitude");
String y = request.getParameter("latitude");
String addr1 = "http://ws.geonames.org/findNearby?lat="+y+"&lng="+x; 
try 
{
            myURL = new URL(addr1);
 
} 
catch (MalformedURLException e) 
{
e.printStackTrace();
}
 
 
Document feed = null;
try
{
feed = xmlReader.read(myURL);
System.out.println("Entered");
}
catch (DocumentException e) 
{
e.printStackTrace();
}
try
{
 
String xpathExpression = "/geonames/geoname/";
Node codeISO2= feed.selectSingleNode(xpathExpression+"countryCode "); //Error is 
Node countryName = feed.selectSingleNode(xpathExpression+"countryName "); //here
String e=codeISO2.getText();
String f=countryName.getText();
System.out.println(e+f);
System.out.println("The Country Code is "+e+" and the country is "+f);
 
}
catch(Exception e )
{
System.out.println("Error is "+e);
}

Error:

org.apache.jasper.JasperException: An exception occurred processing JSP page /countryfind.jsp at line 76
 
73: String xpathExpression = "/geonames/geoname/";
74:
75:
76: Node codeISO2= feed.selectSingleNode(xpathExpression+"countryCode ");
77: Node countryName = feed.selectSingleNode(xpathExpression+"countryName ");
78: String e=codeISO2.getText();
79: String f=countryName.getText();

Stacktrace:

org.apache.jasper.servlet.JspServletWrapper.handle JspException(JspServletWrapper.java:567)
org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:456)
org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:389)
org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:333)
javax.servlet.http.HttpServlet.service(HttpServlet .java:722)

Oh..Im sorry..Can anybody resolve the error?

Somebody please!!!!

Tell me the directory structure, how are you placing the files in it???

I have not yet written the JAVA File.All these codes are inside the jsp file itself.

 
 
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
 
   <%@ page import="java.sql.*" %> 
    <%@ page import="java.net.*" %> 
    <%@ page import="java.util.List" %> 
    <%@ page import="org.dom4j.io.SAXReader" %> 
    <%@ page import="org.dom4j.Document" %> 
    <%@ page import="org.dom4j.DocumentException" %> 
    <%@ page import="org.dom4j.Node" %> 
<!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>Insert title here</title>
</head><BODY>
 
 
 
 
<FORM METHOD=GET ACTION="countryfind.jsp">
Longitude ?  <INPUT TYPE=TEXT NAME=longitude VALUE = "9" SIZE=20>
Latitude ?  <INPUT TYPE=TEXT NAME=latitude VALUE = "47.3" SIZE=20>
<P><INPUT TYPE=SUBMIT>
 
<h1><% out.println("The Given Longitude is "+request.getAttribute("longitude")); %></h1>
<h1><% out.println("The Given Latitude is "+request.getAttribute("latitude")); %></h1>
 
<%try
   {
       	Connection conn = null;
       	URL myURL = null;
		SAXReader xmlReader = new SAXReader();
       	String userName="root";
    	String password = "manutd";
    	String url = "jdbc:mysql://localhost/surya";
    	//out.println(userName+password);
    	Class.forName ("com.mysql.jdbc.Driver").newInstance ();
    	conn = DriverManager.getConnection (url, userName, password);
    	Statement stmt=conn.createStatement();
    	String country=null;
    	String x="0";
    	String y="0";
    	x=request.getAttribute("longitude").toString();
    	y = request.getAttribute("latitude").toString();
    	String addr1 = "http://ws.geonames.org/findNearby?lat="+y+"&lng="+x;
    	System.out.println(x);
    	System.out.println(y);
    	System.out.println(addr1);
    	if(x!=null && y!=null)
    	{
    	try 
		{
			myURL = new URL(addr1);
 
		} 
		catch (MalformedURLException e) 
		{
			e.printStackTrace();
		}
 
 
	   Document feed = null;
		try
		{
			feed = xmlReader.read(myURL);
			System.out.println("Entered");
		}
		catch (DocumentException e) 
		{
			e.printStackTrace();
		}
		try
		{
			 String xpathExpression = "/geonames/geoname";
			 List<? extends Node> nodes = feed.selectNodes(xpathExpression);
		     Statement s = null;
 
		     for (Node node : nodes) 
		     {
 
		    	 Node codeISO2= node.selectSingleNode("countryCode");
		    	 Node countryName = node.selectSingleNode("countryName");
		    	 String e=codeISO2.getText();
		    	 String f=countryName.getText();
		    	 System.out.println(e+f);
		    	 System.out.println("The Country Code is "+e+" and the country is "+f);
		     }
		}
		catch(Exception e )
		{
			System.out.println("Error is "+e);
		}
    	}
    	else
    	{
    		%> <h1> Please Enter the Latitude and Longitude</h1>
    <%	}
   }
	catch(Exception e)
	{
		System.out.println("Error is "+e);
	}
 
	%>
 
</FORM>
</BODY>
</HTML>

Listen man..... You know that jsp is server pages???
And you need some local server or server to exectue the jsp written (java) code.
Do you have any?
If yes, where it is installed?
Where do you place the jsp file in your computer?