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EJB and JSP
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created by <a href="http://community.jboss.org/people/couse1">couse1</a> in <i>Beginner's Corner</i> - <a href="http://community.jboss.org/message/592196#592196">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I'm trying to call EJB from JSP.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>My EJB :</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong><em>package ejb;</em></strong></p><p><strong><em>import javax.ejb.Stateless;</em></strong></p><p><strong><em>import org.jboss.ejb3.annotation.Clustered;</em></strong></p><p><strong><em>@Stateless</em></strong></p><p><strong><em>@Clustered</em></strong></p><p><strong><em>public class CompteurEJB implements CompteurEJBRemote {</em></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong><em>    @Override</em></strong></p><p><strong><em>    public void affiche(int msg) {</em></strong></p><p><strong><em>        System.out.println(msg);</em></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong><em>    }</em></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong><em>}</em></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong><em><br/></em></strong></p><p>My remote EJB :</p><p><em><strong>package ejb;</strong></em></p><p><em><strong>import javax.ejb.Remote;</strong></em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em><strong>@Remote</strong></em></p><p><em><strong>public interface CompteurEJBRemote {</strong></em></p><p><em><strong>    public void affiche(int msg);</strong></em></p><p><em><strong>}</strong></em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>And this package ejb is in ejbSLSBCluster.jar.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>My client (JSP) :</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em><strong><?xml version="1.0" encoding="UTF-8" ?></strong></em></p><p><em><strong><%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%></strong></em></p><p><em><strong><%@ page import= "ejb.CompteurEJBRemote"%></strong></em></p><p><em><strong><%@ page import= "javax.naming.*"%></strong></em></p><p><em><strong><%@ page import= "java.text.*"%></strong></em></p><p><em><strong><span><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "</span><a class="jive-link-external-small" href="http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" target="_blank">http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd</a><span>"></span></strong></em></p><p><em><strong><span><html xmlns="</span><a class="jive-link-external-small" href="http://www.w3.org/1999/xhtml" target="_blank">http://www.w3.org/1999/xhtml</a><span>"></span></strong></em></p><p><em><strong><head></strong></em></p><p><em><strong><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /></strong></em></p><p><em><strong><title>JSP de stress</title></strong></em></p><p><em><strong></head></strong></em></p><p><em><strong><body></strong></em></p><p><em><strong>    <table></strong></em></p><p><em><strong>        <%!</strong></em></p><p><em><strong>            public void jspInit () {</strong></em></p><p><em><strong>                try {</strong></em></p><p><em><strong> </strong></em><em><strong>                    InitialContext ctx = new InitialContext();</strong></em></p><p><em><strong>                    CompteurEJBRemote s = (CompteurEJBRemote) ctx.lookup("CompteurEJB/remote");</strong></em></p><p><em><strong>                    for (int i = 0; i < 300; i++) {</strong></em></p><p><em><strong>                        %><tr><td>test<%!</strong></em></p><p><em><strong>                        s.affiche(i);</strong></em></p><p><em><strong> </strong></em><em><strong>                        %></td></tr><%!</strong></em></p><p><em><strong>                     }</strong></em></p><p><em><strong>                } </strong></em></p><p><em><strong>                catch (Exception e)  { e.printStackTrace (); }</strong></em></p><p><em><strong>            }</strong></em></p><p><em><strong>        %></strong></em></p><p><em><strong>    </table></strong></em></p><p><em><strong></body></strong></em></p><p><em><strong></html></strong></em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>My JSP is in .war where i have :</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>ejbSLSBCluster.jar in WEB-INF/lib</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>jndi.properties in WEB-INF :</p><p><em><strong>java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory</strong></em></p><p><em><strong>java.naming.provider.url=jnp://127.0.0.1:1099</strong></em></p><p><em><strong>java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces</strong></em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>My web.xml :</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong><em><?xml version="1.0" encoding="UTF-8"?></em></strong></p><p><strong><em><span><web-app xmlns:xsi="</span><a class="jive-link-external-small" href="http://www.w3.org/2001/XMLSchema-instance" target="_blank">http://www.w3.org/2001/XMLSchema-instance</a><span>"</span></em></strong></p><p><strong><em><span>    xmlns="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/javaee" target="_blank">http://java.sun.com/xml/ns/javaee</a><span>" xmlns:web="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" target="_blank">http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd</a><span>"</span></em></strong></p><p><strong><em><span>    xsi:schemaLocation="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/javaee" target="_blank">http://java.sun.com/xml/ns/javaee</a><span> </span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" target="_blank">http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd</a><span>"</span></em></strong></p><p><strong><em>    id="WebApp_ID" version="2.5"></em></strong></p><p><strong><em>    <display-name>clientcompteurweb</display-name></em></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong><em>    <servlet></em></strong></p><p><strong><em>        <description>Point d'entree de l'application</description></em></strong></p><p><strong><em>        <display-name>Controlpea</display-name></em></strong></p><p><strong><em>        <servlet-name>Controlpea</servlet-name></em></strong></p><p><strong><em>        <servlet-class>com.saintquentin.pea.Controlpea</servlet-class></em></strong></p><p><strong><em>    </servlet></em></strong></p><p><strong><em>    <servlet-mapping></em></strong></p><p><strong><em>        <servlet-name>Controlpea</servlet-name></em></strong></p><p><strong><em>        <url-pattern>/Controlpea</url-pattern></em></strong></p><p><strong><em>    </servlet-mapping></em></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong><em>    <resource-env-ref></em></strong></p><p><strong><em>        <description>Bind de mon bean</description></em></strong></p><p><strong><em>        <resource-env-ref-name>CompteurEJB/remote</resource-env-ref-name></em></strong></p><p><strong><em>        <resource-env-ref-type>ejb.CompteurEJB</resource-env-ref-type></em></strong></p><p><strong><em>        <mapped-name>java:CompteurEJB/remote</mapped-name></em></strong></p><p><strong><em>    </resource-env-ref></em></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong><em></web-app></em></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>But when i execute my jsp i have this error :</p><p>17:06:27,649 ERROR [STDERR] javax.naming.NameNotFoundException: CompteurEJB not bound</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I think that i forgot something but what??</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I use JBOSS 5.1 and Eclipse 3.4</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks for your help</p></div>
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