Community Discussion

rewriting your product?

giladmanor — Sun, 27 Dec 2009 01:50:20 -0500

* ... Fantastic idea, since we already know how to solve most of the problems we can do it much faster this time... * ... As long as we don’t touch the spec, just migrate to a better technology... * ... Only with a spec that includes new user stories ... * ... Never rewrite your product ...

Community Discussion

Hidden Form fields-Alternatives

pushpendra_82 — Tue, 02 Mar 2010 07:43:15 -0500

Hi, It's been established that Hidden form fields are insecure to use in web applications.
Now my question is what all are the alternatives do we have before if we want to avoid (eliminate) the usage of hidden form fields.

For example one have typical we application where user searches the employee and gets the tabular result with one Action column where number of option will be provided like EDIT/DELETE/VIEW.

Now in order to open edit one have to pull that record from the database and open the editable form for the user.

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Enterprise Java

java components

cl15 — Tue, 02 Mar 2010 05:38:09 -0500

can you name java components for me please?

Community Discussion

Mobile Connectivity

Mani — Sun, 28 Feb 2010 10:48:45 -0500

anybody please help me............
how to connect the mobile and localhost(tomcat server) in realtime.........

Tools and Methods

Mobile Connectivity

Mani — Sun, 28 Feb 2010 10:19:25 -0500

hi sir,
I am doing a project on Media streaming in mobile (ie.Streaming the video content to the blog)using Sun java Wireless Toolkit........

I designed mobile side application............
and I developed blog using localhost(Apache Tomcat web server)..........

I installed .jar file Nokia 5800 express music.......
I connected the laptop to the router & mobile to the same router.......
so then both laptop and mobile are connected via router(wifi)........
then I started the tomcat server in the laptop........
and I started my application in the mobile.........

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Tools and Methods

truth tables

zachsimpson — Mon, 22 Feb 2010 16:07:29 -0500

how do i construct truth tables in which i use the letters p and q for a AND or (&&), OR (||), AND (&),OR(|), XOR (^), and NOT (!)?
the statements when ran should return every possibilty for p and q. for instance- p-false q-false and p&&q-false. it should use the code System.out.printf
thanks for the help. Zach
abuzubair1999@yahoo.com

Tools and Methods

Ldap JMS testing through JMeter gives illegal state exception

ramendra — Thu, 18 Feb 2010 02:12:35 -0500

Hi,
My application has JMS implementation with LDAP as a JNDI provider.
I am providing information in following format in JMeter to do the point to point testing:
Queue Connection Factory = cn=;ou=;dc=;dc=;dc=;dc=

JNDI Name Request Queue = cn=;ou=;dc=;dc=;dc=;dc=

JNDI Name Receive Queue = cn=;ou=;dc=;dc=;dc=;dc=

JNDI Properties
---------------

java.naming.provider.url =

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Tools and Methods

Java and JDOM import package

ceyesumma — Tue, 16 Feb 2010 20:34:35 -0500

Hello
Would there be anyone able to help me use JDOM? I thought I had the classpaths setup but I can not import the package into my project. Has anyone used JDOM yet?

Thanks
-Steve

Community Discussion

Character Set Unknown issue in JBoss server

ashwini_cs09 — Mon, 15 Feb 2010 04:01:23 -0500

Hi,

I am not able to read String data from SQLInput stream of a customized database object.

Java object corresponding to customized row type is:

public class Excust implements SQLData {
public String numFact;
public String indFact;
public String dFacEmi;
public int mntImp;
public String devTit;

private static String SCHEMA_NAME_POSTFIX = ".EXOBJECT";

public Excust () {
initSchemaName();
}
private void initSchemaName() {
String schemaname = "OPSSCHEMANAME";
sql_type = schemaname;
}
public void readSQL(SQLInput stream, String type) throws SQLException {

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Enterprise Java

Sessions - what went wrong?

tangara — Sat, 13 Feb 2010 05:54:17 -0500

Hi,

I have this application in which I am using session to trak different types of user going to different pages.

There are 2 kinds of users. The admin, if log in successful, will go to Update.jsp. If it is member, they will be redirected to Addmember.jsp. If they are not in the database, they will be redirected to login again.

<?php
@page contentType="text/html" pageEncoding="UTF-8"
?>


        <%  Connection conn = null;

            PreparedStatement ps = null;

            ResultSet rs = null;

            Statement stmt = null;
            try { 

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Core Java



JProfiler6 monitor tomcat6.0 for memory leak
Dongnan — Wed, 10 Feb 2010 14:14:06 -0500
Hello,

I am tring to work out the memory leak of my Web Application running on the local server. I have been told that jprofiler is a good tool for monitoring memory. I have dowloaded jprofiler6, but I dont know how to config the setting. 
what i have done is:

1.from the Quickstart window->An application server, locally or remotely

2.follow the wizard step by step

1)choose application server Apache Tomcat 6.x

2)application is located "on this computer"

3) Chose JVM vendor

4) wait for a connection from the JProfiler GUI 

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Core Java



Markup Interface
kb — Mon, 08 Feb 2010 07:04:30 -0500
Why Serializable interface is markup interface. What exactly do this interface and how. Can you create your own markup interface for serialzing purpose. How it will behave. I know markup interface does not have any method, exactly what is the use of markup interface. and jvm how to treat this type of markup interface.
Core Java



Java FTP Client help
BryCry — Thu, 04 Feb 2010 20:14:31 -0500
Hey guys,
I'm kinda new to Java.

I've been trying to get some stuff off of the ground for 20 weeks now (studying software engineering) and bit by bit the pieces are coming together.
But now, I wanted to create a simple Java FTP client GUI for my family. They are doing some sort of 'sport' which they photographer allot about, and I wanted to give them a 1 direction only way to put those photos on a server I made.
Well, as far as connecting to the FTP server I got. That worked.

But that's all I got. 

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Community Discussion



java.lang.IllegalArgumentException: Cookie name "My ice cream" is a reserved token
tangara — Thu, 04 Feb 2010 09:07:47 -0500
I'm experimenting with cookies.  I created a html form where there is an input value="my ice cream".
When I run it, it's supposed to display in a servlet or jsp also can the "my ice cream" and the cookie id.
But, netbean ide is throwing me a java.lang.IllegalArgumentException Cookie name "My ice cream" is a reserved token.
What went wrong and how to rectify it to make the servlet display the words separtely.  The funny thing is that if I joined the words, there'd no problem at all.
Hope to have some insight into this problem and suggestion to correct the codes.
Many thanks.
Core Java



Java Script form
omnidesigner — Wed, 03 Feb 2010 20:59:00 -0500
I am trying to develop a form in which the user inputs the information, a window pops up with the user information and a unique number, in which the user can print out a paper copy.. and the information goes straight to a mySQL database.  I know this is vague, and I am a novice, I just need to be pointed to the right direction. Thanks in advance for any assistance.
Tools and Methods



How to print values in pre defined reciept
manukhullar — Wed, 03 Feb 2010 11:21:30 -0500
Hi,
In my project i have to print some values in a pre defined receipt.

can anyone tell me how to do this...
Example:
       Employee Receipt-

Name:

Age:

Address:

Designation:

Salary:
the above information will be printed on a peice of paper. what i have to do is, to print the values in the right place....
              Employee Receipt-
Name: XYZ

Age: XYZ

Address:XYZ

Designation:XYZ

Salary:XYZ
How can i do this in JAVA. plz repl

Thanx in advance!!!
Enterprise Java



Using session to authenticate different types of users
tangara — Fri, 29 Jan 2010 01:32:24 -0500
Hi,
I'd like to know how I can incorporate cookie/session into my Java servlet page to remember and authenticate different users.
I have a login page done in html and a servlet page to compare the names and passwords in a Msaccess table.  
So, I hope someone can help me regarding how to incorporate the session portion for different types of users. Also, do I need to create a different login page for different type of user or just use one will do.  In that case, do I put in SELECT statement for different table.  Hope to have some advice here also.
Thanks. 

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Core Java



JSP - display cookies not working
tangara — Wed, 27 Jan 2010 00:04:12 -0500


Hi, 
I've been trying to get the jsp to display a table to show the name enter from a form. 
However, it doesn't show the table which will display the Name, Value and Comments. 
Hope someone can advise me where have I gone wrong with my codes. It's quite messy because I'm tyring to follow examples from internet.  So please be patient with me.  Million Thanks. 
<?php
@ page language="java" 
?>


<?php
            String cookieName = "username";
            Cookie cookies[] = request.getCookies();
            Cookie c = null;
?>
 

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Core Java



populating the data from the database on the JPanel
merosansar — Mon, 25 Jan 2010 10:39:42 -0500
I hava loaded the rows of data from the database in the list.Now I want to display the data on JPanel which is loaded inside the parent JPanel on button click.

Any help will be appreciated.
Enterprise Java



Java Persistence Experts Teaches JPA 2.0 at GIDS 2010
satpal — Mon, 25 Jan 2010 06:26:59 -0500
Java Persistence Experts Teaches JPA 2.0 at GIDS 2010

Great Indian Developer Summit 2010 – Gold Standard for India's IT Professional Ecosystem 

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Tools and Methods



Nosh Petigara on Big Table, SimpleDB, CouchDB, MongoDB and more at GIDS 2010
satpal — Mon, 25 Jan 2010 06:23:52 -0500
Nosh Petigara on Big Table, SimpleDB, CouchDB, MongoDB and more at GIDS 2010

Great Indian Developer Summit 2010 – Gold Standard for India's IT Professional Ecosystem 

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Tools and Methods



Asynchronous manner,pull and push
apachemaven — Sun, 24 Jan 2010 07:02:22 -0500
Asynchronous has two ways:pull and push.
Here I want to know the difference clearly,

The following is my understanding:
the pull is :
1)client send request to server

2)server retrun the status to client,and the client request for stauts again and again unless it get the right status,then it will start to get the really response of the server.
It seems that the ajax use this manner,however I heard somebody say this process is related to the callback mechanism,I can not found where it is,anyone can tell me ?
And the push is: 

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Community Discussion



import org.apache.struts.action.ActionServlet
gagabdeka007 — Thu, 21 Jan 2010 21:04:43 -0500
Hi, Can you plz tell me how and where i can import org.apache.struts.action.ActionServlet class and how can i set the class path for it in weblogic application server (or tomcat server)
My weblogic server is installed at D:\bea\wlserver6.1.
Tools and Methods



import org.apache.struts.action.ActionServlet
gagabdeka007 — Thu, 21 Jan 2010 16:26:45 -0500
Hi, I want to compile the program 
import javax.servlet.http.*;

import org.apache.struts.action.*;

import java.io.IOException;

import javax.servlet.ServletException;
public class MyAction extends Action

{

	public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException

	{

		MyActionForm actionform=(MyActionForm)form;

		request.setAttribute("name",actionform.getName());

		request.setAttribute("address",actionform.getAddress());

		return (mapping.findForward("WelcomeUser"));

	} 

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Tools and Methods



Creating JSF Table Matrix with Pagination
doriwaldman — Wed, 20 Jan 2010 06:27:14 -0500
Hi all

i faced an issue how to create a matrix with jsf and also to add pagination

i didn't found it in my goggle search so i am providing the solution here:
well what i wanted to achieve is a 2 dimension table , not item per row but ite, per row & column

the code in the jspx page is:
ice:dataTable id="dataTbl" var="item" value="#{bean.rowDataModel}" rows="2"

   ice:columns id="columnDataModel" var="column"

         value="#{bean.columnDataModel}"

            ice:panelGroup

             ice:selectBooleanCheckbox value="#{bean.cellValue.select}"

            ice:panelGroup 

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Community Discussion