Discussion :

[rachidcdi]

Bonjour,

Je travaille avec Netbeans 6.7 et Jboss 5.0.1-GA.

J'effectue le tutoriel : http://www.netbeans.org/kb/55/ejb30-jboss.html.

J'ai un message driven Bean :

Code :

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package ejb;
 
import javax.annotation.Resource;
import javax.ejb.ActivationConfigProperty;
import javax.ejb.MessageDriven;
import javax.ejb.MessageDrivenContext;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.ObjectMessage;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
 
/**
 *
 * @author cdi111
 */
@MessageDriven(mappedName = "jms/NewMessage",
activationConfig = {
    @ActivationConfigProperty(propertyName = "acknowledgeMode", propertyValue = "Auto-acknowledge"),
    @ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Queue"),
    @ActivationConfigProperty(propertyName = "destination", propertyValue = "queue/mdb")
})
public class NewMessageBean implements MessageListener {
 
    @Resource
    private MessageDrivenContext mdc;
    @PersistenceContext
    private EntityManager em;
 
    public NewMessageBean() {
    }
 
    public void onMessage(Message message) {
        ObjectMessage msg = null;
        try {
            if (message instanceof ObjectMessage) {
                msg = (ObjectMessage) message;
                NewsEntity e = (NewsEntity) msg.getObject();
                save(e);
            }
        } catch (JMSException e) {
            e.printStackTrace();
            mdc.setRollbackOnly();
        } catch (Throwable te) {
            te.printStackTrace();
        }
 
 
    }
 
    public void save(Object object) {
        em.persist(object);
    }
}

J'ai aussi un SessionBean For Entity Class:

Code :

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package ejb;
 
import java.io.Serializable;
import javax.persistence.Entity;
import javax.persistence.Id;
 
/**
 *
 * @author cdi111
 */
@Entity
public class NewsEntity implements Serializable {
    private static final long serialVersionUID = 1L;
    @Id
//    GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;
    private String title;
    private String body;
 
    public Long getId() {
        return id;
    }
 
    public void setId(Long id) {
        this.id = id;
    }
 
    @Override
    public int hashCode() {
        int hash = 0;
        hash += (getId() != null ? getId().hashCode() : 0);
        return hash;
    }
 
    @Override
    public boolean equals(Object object) {
        // TODO: Warning - this method won't work in the case the id fields are not set
        if (!(object instanceof NewsEntity)) {
            return false;
        }
        NewsEntity other = (NewsEntity) object;
        if ((this.getId() == null && other.getId() != null) || (this.getId() != null && !this.id.equals(other.id))) {
            return false;
        }
        return true;
    }
 
    @Override
    public String toString() {
        return "ejb.NewsEntity[id=" + getId() + "]";
    }
 
    /**
     * @return the title
     */
    public String getTitle() {
        return title;
    }
 
    /**
     * @param title the title to set
     */
    public void setTitle(String title) {
        this.title = title;
    }
 
    /**
     * @return the body
     */
    public String getBody() {
        return body;
    }
 
    /**
     * @param body the body to set
     */
    public void setBody(String body) {
        this.body = body;
    }
 
}

Le MDB (message driven Bean) est utilisé dans une servlet.
Lorsque je lance l'application, Jboss AS affiche l'erreur mdb not bound.

Code :

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14:46:52,739 ERROR [JmsActivation] Unable to reconnect org.jboss.resource.adapter.jms.inflow.JmsActivationSpec@487024(ra=org.jboss.resource.adapter.jms.JmsResourceAdapter@122a4a8 destination=queue/mdb destinationType=javax.jms.Queue tx=true durable=false reconnect=10 provider=java:/DefaultJMSProvider user=null maxMessages=1 minSession=1 maxSession=15 keepAlive=60000 useDLQ=true DLQHandler=org.jboss.resource.adapter.jms.inflow.dlq.GenericDLQHandler DLQJndiName=queue/DLQ DLQUser=null DLQMaxResent=5)
javax.naming.NameNotFoundException: mdb not bound
        at org.jnp.server.NamingServer.getBinding(NamingServer.java:771)
        at org.jnp.server.NamingServer.getBinding(NamingServer.java:779)
        at org.jnp.server.NamingServer.getObject(NamingServer.java:785)
        at org.jnp.server.NamingServer.lookup(NamingServer.java:443)
        at org.jnp.server.NamingServer.lookup(NamingServer.java:399)
        at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:722)
        at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:682)
        at javax.naming.InitialContext.lookup(InitialContext.java:392)
        at org.jboss.util.naming.Util.lookup(Util.java:222)
        at org.jboss.resource.adapter.jms.inflow.JmsActivation.setupDestination(JmsActivation.java:464)
        at org.jboss.resource.adapter.jms.inflow.JmsActivation.setup(JmsActivation.java:352)
        at org.jboss.resource.adapter.jms.inflow.JmsActivation.handleFailure(JmsActivation.java:292)
        at org.jboss.resource.adapter.jms.inflow.JmsActivation$SetupActivation.run(JmsActivation.java:733)
        at org.jboss.resource.work.WorkWrapper.execute(WorkWrapper.java:213)
        at org.jboss.util.threadpool.BasicTaskWrapper.run(BasicTaskWrapper.java:260)
 
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:619)
14:47:03,238 INFO  [JmsActivation] Attempting to reconnect org.jboss.resource.adapter.jms.inflow.JmsActivationSpec@487024(ra=org.jboss.resource.adapter.jms.JmsResourceAdapter@122a4a8 destination=queue/mdb destinationType=javax.jms.Queue tx=true durable=false reconnect=10 provider=java:/DefaultJMSProvider user=null maxMessages=1 minSession=1 maxSession=15 keepAlive=60000 useDLQ=true DLQHandler=org.jboss.resource.adapter.jms.inflow.dlq.GenericDLQHandler DLQJndiName=queue/DLQ DLQUser=null DLQMaxResent=5)
14:47:03,253 ERROR [JmsActivation] Unable to reconnect org.jboss.resource.adapter.jms.inflow.JmsActivationSpec@487024(ra=org.jboss.resource.adapter.jms.JmsResourceAdapter@122a4a8 destination=queue/mdb destinationType=javax.jms.Queue tx=true durable=false reconnect=10 provider=java:/DefaultJMSProvider user=null maxMessages=1 minSession=1 maxSession=15 keepAlive=60000 useDLQ=true DLQHandler=org.jboss.resource.adapter.jms.inflow.dlq.GenericDLQHandler DLQJndiName=queue/DLQ DLQUser=null DLQMaxResent=5)
javax.naming.NameNotFoundException: mdb not bound
        at org.jnp.server.NamingServer.getBinding(NamingServer.java:771)
        at org.jnp.server.NamingServer.getBinding(NamingServer.java:779)
        at org.jnp.server.NamingServer.getObject(NamingServer.java:785)
        at org.jnp.server.NamingServer.lookup(NamingServer.java:443)
        at org.jnp.server.NamingServer.lookup(NamingServer.java:399)
        at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:722)
        at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:682)
        at javax.naming.InitialContext.lookup(InitialContext.java:392)
        at org.jboss.util.naming.Util.lookup(Util.java:222)
        at org.jboss.resource.adapter.jms.inflow.JmsActivation.setupDestination(JmsActivation.java:464)
        at org.jboss.resource.adapter.jms.inflow.JmsActivation.setup(JmsActivation.java:352)
        at org.jboss.resource.adapter.jms.inflow.JmsActivation.handleFailure(JmsActivation.java:292)
        at org.jboss.resource.adapter.jms.inflow.JmsActivation$SetupActivation.run(JmsActivation.java:733)
        at org.jboss.resource.work.WorkWrapper.execute(WorkWrapper.java:213)
        at org.jboss.util.threadpool.BasicTaskWrapper.run(BasicTaskWrapper.java:260)
 
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:619)
14:47:05,175 WARN  [InterceptorsFactory] EJBTHREE-1246: Do not use InterceptorsFactory with a ManagedObjectAdvisor, InterceptorRegistry should be used via the bean container
14:47:05,175 WARN  [InterceptorsFactory] EJBTHREE-1246: Do not use InterceptorsFactory with a ManagedObjectAdvisor, InterceptorRegistry should be used via the bean container
14:47:05,175 WARN  [InterceptorRegistry] applicable interceptors is non-existent for public void ejb.NewsEntityFacade.edit(ejb.NewsEntity)
14:47:05,190 WARN  [InterceptorRegistry] applicable interceptors is non-existent for public ejb.NewsEntity ejb.NewsEntityFacade.find(java.lang.Object)
14:47:05,237 WARN  [InterceptorRegistry] applicable interceptors is non-existent for public java.util.List ejb.NewsEntityFacade.findAll()
14:47:05,237 WARN  [InterceptorRegistry] applicable interceptors is non-existent for public void ejb.NewsEntityFacade.create(ejb.NewsEntity)
14:47:05,253 WARN  [InterceptorRegistry] applicable interceptors is non-existent for public void ejb.NewsEntityFacade.remove(ejb.NewsEntity)
14:47:05,253 WARN  [InterceptorRegistry] applicable interceptors is non-existent for public void ejb.NewsEntityFacade.edit(ejb.NewsEntity)
14:47:05,737 WARN  [InterceptorRegistry] applicable interceptors is non-existent for public ejb.NewsEntity ejb.NewsEntityFacade.find(java.lang.Object)
14:47:05,737 WARN  [InterceptorRegistry] applicable interceptors is non-existent for public java.util.List ejb.NewsEntityFacade.findAll()
14:47:05,753 WARN  [InterceptorRegistry] applicable interceptors is non-existent for public void ejb.NewsEntityFacade.create(ejb.NewsEntity)
14:47:05,753 WARN  [InterceptorRegistry] applicable interceptors is non-existent for public void ejb.NewsEntityFacade.remove(ejb.NewsEntity)
14:47:10,221 ERROR [STDERR] javax.naming.NameNotFoundException: mdb not bound
14:47:10,221 ERROR [STDERR]         at org.jnp.server.NamingServer.getBinding(NamingServer.java:771)
14:47:10,221 ERROR [STDERR]         at org.jnp.server.NamingServer.getBinding(NamingServer.java:779)
14:47:10,221 ERROR [STDERR]         at org.jnp.server.NamingServer.getObject(NamingServer.java:785)
14:47:10,221 ERROR [STDERR]         at org.jnp.server.NamingServer.lookup(NamingServer.java:443)
14:47:10,221 ERROR [STDERR]         at org.jnp.server.NamingServer.lookup(NamingServer.java:399)
14:47:10,237 ERROR [STDERR]         at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:722)
14:47:10,237 ERROR [STDERR]         at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:682)
14:47:10,237 ERROR [STDERR]         at javax.naming.InitialContext.lookup(InitialContext.java:392)
14:47:10,237 ERROR [STDERR]         at web.PostMessage.processRequest(PostMessage.java:53)
14:47:10,237 ERROR [STDERR]         at web.PostMessage.doGet(PostMessage.java:114)
14:47:10,237 ERROR [STDERR]         at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
14:47:10,237 ERROR [STDERR]         at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
14:47:10,237 ERROR [STDERR]         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
14:47:10,237 ERROR [STDERR]         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
14:47:10,237 ERROR [STDERR]         at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
14:47:10,237 ERROR [STDERR]         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
14:47:10,237 ERROR [STDERR]         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
14:47:10,237 ERROR [STDERR]         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
14:47:10,237 ERROR [STDERR]         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
14:47:10,237 ERROR [STDERR]         at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
14:47:10,237 ERROR [STDERR]         at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
14:47:10,237 ERROR [STDERR]         at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
14:47:10,237 ERROR [STDERR]         at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
14:47:10,237 ERROR [STDERR]         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
14:47:10,237 ERROR [STDERR]         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
14:47:10,237 ERROR [STDERR]         at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
14:47:10,237 ERROR [STDERR]         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
14:47:10,237 ERROR [STDERR]         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
14:47:10,237 ERROR [STDERR]         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
14:47:10,237 ERROR [STDERR]         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
14:47:10,237 ERROR [STDERR]         at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
14:47:10,237 ERROR [STDERR]         at java.lang.Thread.run(Thread.java:619)

La servlet ListNews :

Code :

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package web;
 
import ejb.NewsEntity;
import ejb.NewsEntityFacadeLocal;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ejb.EJB;
import javax.naming.NamingException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
/**
 *
 * @author cdi111
 */
public class ListNews extends HttpServlet {
 
    @EJB
    private NewsEntityFacadeLocal newsEntityFacade;
 
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
 
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet ListNews</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet ListNews at " + request.getContextPath() + "</h1>");
            javax.naming.Context c;
            try {
                c = new javax.naming.InitialContext();
                newsEntityFacade = (NewsEntityFacadeLocal) c.lookup("Projet_Jboss/NewsEntityFacade/local");
            } catch (NamingException ex) {
                Logger.getLogger(ListNews.class.getName()).log(Level.SEVERE, null, ex);
            }
 
            List news = newsEntityFacade.findAll();
            for (Iterator it = news.iterator(); it.hasNext();) {
                NewsEntity elem = (NewsEntity) it.next();
                out.println(" <b>" + elem.getTitle() + " </b><br />");
                out.println(elem.getBody() + "<br /> ");
            }
            out.println("<a href='PostMessage'>Add new message</a>");
 
            out.println("</body>");
            out.println("</html>");
 
        } finally {
            out.close();
        }
    }
 
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }
 
    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }
 
    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}

La servlet PostMessage

Code :

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 :
package web;
 
import ejb.NewsEntity;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Queue;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.MessageProducer;
import javax.jms.ObjectMessage;
import javax.jms.QueueConnection;
import javax.jms.QueueConnectionFactory;
import javax.jms.QueueSession;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
/**
 *
 * @author cdi111
 */
public class PostMessage extends HttpServlet {
 
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
 
        String title = request.getParameter("title");
        String body = request.getParameter("body");
 
        if ((title != null) && (body != null)) {
 
            Queue queue = null;
            QueueConnection connection = null;
            QueueSession session = null;
            MessageProducer messageProducer = null;
            try {
                InitialContext ctx = new InitialContext();
                queue = (Queue) ctx.lookup("queue/mdb");
                QueueConnectionFactory factory =
                        (QueueConnectionFactory) ctx.lookup("ConnectionFactory");
                connection = factory.createQueueConnection();
                session = connection.createQueueSession(false,
                        QueueSession.AUTO_ACKNOWLEDGE);
                messageProducer = session.createProducer((Destination) queue);
                ObjectMessage message = session.createObjectMessage();
                // here we create a NewsEntity, that will be sent in JMS message
                NewsEntity e = new NewsEntity();
                e.setTitle(title);
                e.setBody(body);
                message.setObject(e);
                messageProducer.send(message);
                messageProducer.close();
                connection.close();
                response.sendRedirect("ListNews");
            } catch (JMSException ex) {
                ex.printStackTrace();
            } catch (NamingException ex) {
                ex.printStackTrace();
            }
 
        }
 
 
        PrintWriter out = response.getWriter();
        try {
 
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet PostMessage</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet PostMessage at " + request.getContextPath() + "</h1>");
 
            out.println("<form>");
            out.println("Title: <input type='text' name='title'><br/>");
            out.println("Message: <textarea name='body'></textarea><br/>");
            out.println("<input type='submit'><br/>");
            out.println("</form>");
 
            out.println("</body>");
            out.println("</html>");
 
        } finally {
            out.close();
        }
    }
 
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }
 
    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }
 
    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}

Ma question :
J'ai deux fichiers xml "jboss4-netbeans-destinations-service.xml" dans Netbeans (1 dans Entreprise Application, l'autre dans le module ejb) et un autre fichier xml situé dans le Serveur/default/deploy/messaging nommé " destinations-service.xml". Lequel faut il modifier ? Et à quoi sert l'un et l'autre ?

jboss4-netbeans-destinations-service.xml (dans Entreprise application et dans le module ejb)

Code :

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<?xml version="1.0" encoding="UTF-8"?>
<server/>

destinations-service.xml

Code :

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<?xml version="1.0" encoding="UTF-8"?>
 
<!--
     Messaging Destinations deployment descriptor.
 
     $Id: destinations-service.xml 81998 2008-12-03 06:46:29Z scott.stark@jboss.org $
 -->
 
<server>
 
   <!--
      The Default Dead Letter Queue. This destination is a dependency of an EJB MDB container.
   -->
 
   <mbean code="org.jboss.jms.server.destination.QueueService"
      name="jboss.messaging.destination:service=Queue,name=DLQ"
      xmbean-dd="xmdesc/Queue-xmbean.xml">
      <depends optional-attribute-name="ServerPeer">jboss.messaging:service=ServerPeer</depends>
      <depends>jboss.messaging:service=PostOffice</depends>
   </mbean>
 
   <!--
      The Default Expiry Queue.
   -->
 
   <mbean code="org.jboss.jms.server.destination.QueueService"
      name="jboss.messaging.destination:service=Queue,name=ExpiryQueue"
      xmbean-dd="xmdesc/Queue-xmbean.xml">
      <depends optional-attribute-name="ServerPeer">jboss.messaging:service=ServerPeer</depends>
      <depends>jboss.messaging:service=PostOffice</depends>
   </mbean>   
 
 
</server>

[gotteserbin]

Salut Rachidcdi, as-tu pu avoir une réponse? comprends tu mieux à quoi correspondent ces deux fichiers.
J'aimerais également avoir quelques explications.

Si quelqu'un a une idée, je suis prenante.

Merci.