Debug merupakan proses yang sering dilakukan pada saat membangun semua aplikasi guna menemukan dan atau memperbaiki bugs pada aplikasi tersebut. Salah satu cara untuk men-debug adalah menggunakan Debugging tools yang terdapat di eclipse.

Cara debugging pada aplikasi potlet (JSR168/JSR 286) sedikit berbeda dengan aplikasi servlet biasa, berikut langkah-langkahnya:

1. Buat environment variable berikut :
   

   
   CATALINA_HOME: [user_path]\liferay-portal-5.2.3\tomcat-6.0.18
   JPDA_ADDRESS: 8000
   JPDA_TRANSPORT: dt_socket



2. Buat Konfigurasi Debug pada eclipse:
   -Klik menu : Run-Debug Configurations
   -Buat konfigurasi baru pada "Remote Java Application"
   -Masukkan parameter-parameter yang di butuhkan
   
3. Jalankan Liferay portal dengan mode "JPDA", pada command prompt jalankan perintah berikut :

   [Liferay Path]\tomcat-6.0.18\bin\catalina.bat jpda run
   

   
   Pastikan muncul informasi bahwa tomcat listen ke port 8000

   [Liferay Path]\tomcat-6.0.18\bin>catalina.bat jpda run
   Listening for transport dt_socket at address: 8000



4. Tentukan breakpoints pada class yang akan di debug.
5. Run Debug

thanks to: erfin buat advice nya :)

Debug Java Liferay Portlet

Debug Liferay Portal dengan Eclipse

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“Iconfinder provides high quality icons for webdesigners and developers in an easy and efficient way”

this is icon's search engine, that very useful for desaigner.
Website : http://www.iconfinder.net/

Design Icon

Icon Finder

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In this article, I will write about Simple Shoutbox Application with JQuery. With Ajax (Asynchronous JavaScript and XML) , we can send a form submission and get response back without refreshing current page. jQuery is a fast and concise JavaScript Library that simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development.

Javascript Code :

 $(function() {
$(".submit").click(function() {
var name = $("#name").val();
var comment = $("#comment").val();
var dataString = 'name='+ name + '&comment=' + comment;

if(name=='' || comment=='')
{
 alert('Please Give Valide Details');
} else {
 $("#flash").show();
 $("#flash").fadeIn(400).html('<img src="img/ajax-loader.gif" align="absmiddle"> <span class="loading">Loading Comment...</span>');
 $.ajax({
   type: "POST",
   url: "ajaxshoutbox.jsp",
   data: dataString,
   cache: false,
   success: function(html){
   $("ol#update").append(html);
   $("ol#update li:last").fadeIn("slow");
   $("#name").val('');
   $("#comment").val(''); 
   $("#name").focus();
   $("#flash").hide();
   }
 });
 return false;
 }
});
});

Explanation :

$.ajax({}) is JQuery event to call ajax request, it’s has an object of key/value pairs , that are used to initialize and handle the request.

1. type : The type of request to make ("POST" or "GET"), default is "GET"
2. url: The url to request
3. data: Data to be sent to the server
4. chace : if set to false it will force the pages that you request to not be cached by the browser
5. success : A function to be called if the request succeeds

Soutbox.jsp

<form action="#" method="post">
<label><input type="text" name="name" id="name"/>
<span class="titles">Name</span><span class="star">*</span>
</label><br />
<label>
 <textarea name="comment" id="comment"></textarea>
 <span class="titles">Comment</span>
</label><br />
<input type="submit" class="submit" value=" Submit Comment " />    </form>

ajaxshoutbox.jsp

><li class="box">
<span style="  font-weight:bold">Name :</span>
<span style="font-size:16px; color:#663399;"><%= request.getParameter("name") %></span> <br />
<span style="  font-weight:bold">Comment :</span> <%= request.getParameter("comment") %>
</li>

Download Sourcecode : http://simpleshoutboxajax.googlecode.com/files/SimpleShoutboxAjax-JQuery.zip

Ajax Java JQuery

Simple Shoutbox Ajax with JQuery & JSP

Yogi 1

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In my previous project, I will be required to call Stored Procedure in SQL Server with Spring & Hibernate. Using HibernateTemplate class extends from HibernateDaoSupport, you can call the stored procedure in SQL Server.

The Stored Procedure:

USE [sample];
GO
SET ANSI_NULLS ON;
GO
SET QUOTED_IDENTIFIER ON;
GO
ALTER PROCEDURE [SP_Sample]
(@Param1 nvarchar(50), @Param2 nvarchar(50))
AS
declare @Concatenation nvarchar(150)

set @Concatenation = @Param1 + ' and ' + @Param2

select @Param1,@Param2,@Concatenation
GO

SampleDao Source:

public class SampleDao extends HibernateDaoSupport {

@SuppressWarnings("unchecked")
public String callSP(String param1, String Param2) {
  // create session from active session
Session ses = getSession(true);

// create query for call the stored procedure
SQLQuery q = ses.createSQLQuery("exec SP_Sample :param1, :param2");
q.setString("param1", param1);
q.setString("param2", param2);
  
  //execute stored procedure and get list result
List l = q.list();
StringBuilder result = new StringBuilder();

if (l.size()>0){    
 for(Iterator it=l.iterator();it.hasNext();){
  Object[] row = (Object[]) it.next();
  result.append("Param 1 : " + row[0] + ", Param 2 : " + row[1] + ", Concatenation : " + row[2]);
 }
}

return result.toString();
}

Hibernate Java

Accessing SQL Server Stored Procedure With Hibernate

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