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IBM Cloud: Article

Developing Java and Web Services Applications on Rational Application Developer V6

How to Use Rational Application Developer 6

Free form: You can also use WRD to reduce the complexity of application construction. In this scenario, instead of providing a fully-constructed J2EE application, you place in a directory the individual parts of the application, such as Java Source files that represent Servlets or EJBs, static resources, XML files, and so on. You then configure WRD to construct a J2EE compliant application and deploy that application on a target server. Free form is ideal for initial prototyping of applications or development of library code. However, use caution when using free form development for enterprise applications. Developers can quickly lose control of their build and deployment process. Here is an example of using free form:

  • Configure the WRD workspace:
  1. export WORKSPACE=D:/WRDWorkSpace
  2. $WAS_HOME/bin//wrd-config -project "MyProject" -style "freeform" -runtime "was60" -runtimePath "D:/WebSphere_60/AppServer" -monitor
  • Start the WRD daemon: $WAS_HOME/bin/wrd -monitor
  • Create a Java Servlet or EJB class in the directory using any editor.
For more information on WRD, see the WebSphere V6 Information Center.

Here is an example of the code. These were the only artifacts developed.


package com.wrdtest;

import java.io.*;

import javax.naming.InitialContext;

import javax.servlet.http.*;
import javax.servlet.*;

public class HelloServlet extends HttpServlet {

public void doGet (HttpServletRequest req,
HttpServletResponse res) throws ServletException, IOException {

PrintWriter out = res.getWriter();
try {
InitialContext ctx = new InitialContext();
HelloHome helloHome = (HelloHome)ctx.lookup("ejb/Hello");
HelloRemote hello = helloHome.create();
out.println("Hello, world!");

} catch (Exception e) {
// TODO Auto-generated catch block


package com.wrdtest;

* @author Admin
*@ejb.session name="Hello" type="Stateless"
public class MyService {

* @param symbol
* @return
* @throws StockException
* @ejb.interface-method view-type="both"
* @ejb.transaction type="Required"
public String getMessage()
return "Hello EJB";

Question: I am working with RAD and WebSphere 6.0. I want to deploy an EAR file with log4j, but an error appears during deployment. What is wrong? The log4j.xml is in the ear file.

[7/25/05 17:39:54:269 CEST] 00000062 ResourceMgrIm I
WSVR0049I: Binding ENT13000 as jdbc/ENT13000
[7/25/05 17:39:54:284 CEST] 00000062 EJBContainerI I
WSVR0207I: Preparing to start EJB jar: TDSLRechercheEJB.jar
[7/25/05 17:39:54:312 CEST] 00000062 EJBContainerI I
WSVR0037I: Starting EJB jar: TDSLRechercheEJB.jar
[7/25/05 17:39:54:904 CEST] 00000062 MDBListenerIm I
WMSG0058I: Listener Port ListenerPortNI will attempt to restart in 60 seconds
[7/25/05 17:39:54:937 CEST] 00000062 ApplicationMg E
WSVR0101W: An error occurred starting, TDSLRechercheJ2EE
[7/25/05 17:39:54:945 CEST] 00000062 ApplicationMg A
WSVR0217I: Stopping application: TDSLRechercheJ2EE
[7/25/05 17:39:54:988 CEST] 00000062 EJBContainerI I
WSVR0041I: Stopping EJB jar: TDSLRechercheEJB.jar
[7/25/05 17:39:55:034 CEST] 00000062 ApplicationMg A
WSVR0220I: Application stopped: TDSLRechercheJ2EE
[7/25/05 17:39:54:770 CEST] 00000062 SystemErr
R log4j:ERROR Could not open [./log4j.xml].
[7/25/05 17:39:54:773 CEST] 00000062 SystemErr
R java.io.FileNotFoundException: ./log4j.xml (No such file or directory)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:106)
at java.io.FileInputStream.<init>(FileInputStream.java:66)
at org.apache.log4j.xml.DOMConfigurator.doConfigure
at org.apache.log4j.xml.DOMConfigurator.configure
at com.tsystems.blt.j2ee.log.TDSLRechercheLogger.<clinit>
at com.tsystems.blt.j2ee.jms.MP_MessageListenerBean.<clinit>
at sun.reflect.NativeConstructorAccessorImpl.newInstance0
(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance
at java.lang.reflect.Constructor.newInstance
at java.lang.Class.newInstance0(Class.java:308)
at java.lang.Class.newInstance(Class.java:261)
at com.ibm.ejs.container.EJSContainer.loadBeanMetaData
at com.ibm.ejs.container.HomeOfHomes.loadBeanMetaData

Answer: I assume you are packaging the log4j.jar at the EAR level. It seems you are trying to load your logging configuration directly from the file system. I usually tell people to load the log4j configuration file as a classpath resource. This way, you can put it in a WebSphere Application Server shared library or package it in the EAR. You can use something like:


Or, you can load a system property with the location of the configuration file.

The author would like to thank the following people for their help in preparing this article: Kyle Brown, Keys Botzum, Leigh Williamson, Tom Alcott, and Greg Flurry

More Stories By Roland Barcia

Roland Barcia is a consulting IT specialist for IBM Software Services for WebSphere in the New York/New Jersey Metro area. He is the author of one of the most popular article series on the developerWorks WebSphere site, www-106.ibm.com/developerworks/websphere/techjournal/0401_barcia/barcia.html, and is also a coauthor of IBM WebSphere: Deployment and Advanced Configuration. You can find more information about him at http://web.njit.edu/~rb54

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Most Recent Comments
babu 05/08/06 04:06:40 AM EDT

I need web service tutiroal for Rational application developer tool

Raksha 03/21/06 01:18:15 AM EST

Really usefull tips. But this answers very specific questions only. I am currently trying to gather all the information regarding problems i am going to face to migrate applications currently running on WAS5 to WASv6. so all the changes in coe and configurations i will need to make to these apps before i can see them running properly on the WAS v6.
summary of problems people faced while doing this. If anyone can help me, kindly mail me at rakshams@rediffmail.com
any links and suggestions are welcome

SYS-CON Italy News Desk 01/19/06 12:37:35 PM EST

In this article, WebSphere consultant Roland Barcia answers questions on developing J2EE and Web services applications on IBM Rational Application Developer V6 and deploying and testing those applications on WebSphere Application Server V6. Topics include using the various wizards, perspectives, and tools in Rational Application Developer to develop different types of J2EE applications, using the new Service Integration Bus Messaging Platform in WebSphere Application Server V6, differences from V5 of WebSphere Studio or WebSphere Application Server, using the default WebSphere Application Server V6 in Rational Application Developer, and deploying to full WebSphere Application Server V6 Network Deployment.

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