I have gone thru the J2EE Tutorial which use the Sun Java System AS Platform
Editon 8. I am now trying to deploy the currency conversion example
(ConverterBean) into JBOSS4. The deployment looks OK as I can see the
following in the JMX console:
jboss.j2ee
* jndiName=Converter,plugin=pool,service=EJB <<<<<
* jndiName=Converter,service=EJB <<<<<<
* module=converter-ejb.jar,service=EjbModule <<<<<
* service=ClientDeployer
* service=EARDeployer
* service=EARDeployment,url='Converter.ear'
jboss.web.deployment
* id=-1738444633,war=ROOT.war
* id=-1795632456,war=invoker.war
* id=-26676653,war=jmx-console.war
* id=-523202696,war=jbossmq-httpil.war
* id=-811489709,war=web-console.war
* id=1788975853,war=converter.war <<<<<
* id=991583486,war=jboss-ws4ee.war
However, when I access the JSP, the InitialContext lookup returns a
NamingException error with the message 'Converter not bound'. I have lookedthru
this forum with similar problem and try modifying the deployment descriptor but
with no success. Could someone help? The following are a listing of the codes:
[JSP Codes]
<%@ page import="converter.Converter, converter.ConverterHome, javax.ejb.*,
java.util.Properties, java.math.*, javax.naming.*,
javax.rmi.PortableRemoteObject, java.rmi.RemoteException" %>
<%!
private Converter converter = null;
String ErrorMsg = "";
public void jspInit() {
try {
InitialContext ic = new InitialContext();
ErrorMsg = "Got IC.";
Object objRef = ic.lookup("java:comp/env/Converter");
ErrorMsg = ErrorMsg + "lookup ConverterBean.";
ConverterHome home =
(ConverterHome)PortableRemoteObject.narrow(objRef, ConverterHome.class);
converter = home.create();
} catch (RemoteException ex) {
System.out.println("Couldn't create converter bean."+
ex.getMessage());
ErrorMsg = ErrorMsg + "Remote Ex Couldn't create
converter bean."+ ex.getMessage();
} catch (CreateException ex) {
System.out.println("Couldn't create converter bean."+
ex.getMessage());
ErrorMsg = ErrorMsg + "CreateEx Couldn't create
converter bean."+ ex.getMessage();
} catch (NamingException ex) {
System.out.println("Unable to lookup home: "+ "ConverterBean "+
ex.getMessage());
ErrorMsg = ErrorMsg + "Unable to lookup home: "+
"Converter "+ ex.getMessage();
}
}
public void jspDestroy() {
converter = null;
}
%>
Converter
<h1>Converter</h1>
Enter an amount to convert:
Status <%= ErrorMsg %>
<%
String amount = request.getParameter("amount");
if ( amount != null && amount.length() > 0 ) {
BigDecimal d = new BigDecimal (amount);
%>
<%= amount %> dollars are <%= converter.dollarToYen(d) %> Yen.
<%= amount %> Yen are <%= converter.yenToEuro(d) %> Euro.
<%
}
%>
[ConverterBean Codes]
package converter;
import java.rmi.RemoteException;
import javax.ejb.SessionBean;
import javax.ejb.SessionContext;
import java.math.*;
public class ConverterBean implements SessionBean {
BigDecimal yenRate = new BigDecimal("121.6000");
BigDecimal euroRate = new BigDecimal("0.0077");
public ConverterBean() {
}
public BigDecimal dollarToYen(BigDecimal dollars) {
BigDecimal result = dollars.multiply(yenRate);
return result.setScale(2, BigDecimal.ROUND_UP);
}
public BigDecimal yenToEuro(BigDecimal yen) {
BigDecimal result = yen.multiply(euroRate);
return result.setScale(2, BigDecimal.ROUND_UP);
}
public void ejbCreate() {
}
public void ejbRemove() {
}
public void ejbActivate() {
}
public void ejbPassivate() {
}
public void setSessionContext(SessionContext sc) {
}
}
[Converter Home Interface]
package converter;
import java.rmi.RemoteException;
import javax.ejb.CreateException;
import javax.ejb.EJBHome;
public interface ConverterHome extends EJBHome {
Converter create() throws RemoteException, CreateException;
}
[Converter Remote Interface]
package converter;
import javax.ejb.EJBObject;
import java.rmi.RemoteException;
import java.math.*;
public interface Converter extends EJBObject {
public BigDecimal dollarToYen(BigDecimal dollars) throws RemoteException;
public BigDecimal yenToEuro(BigDecimal yen) throws RemoteException;
}
[ejb-jar.xml]
<?xml version="1.0" encoding="UTF-8"?>
<ejb-jar xmlns="http://java.sun.com/xml/ns/j2ee"; version="2.1"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/ejb-jar_2_1.xsd";>
<enterprise-beans>
<ejb-name>ConverterBean</ejb-name>
converter.ConverterHome
converter.Converter
<ejb-class>converter.ConverterBean</ejb-class>
<session-type>Stateless</session-type>
<transaction-type>Bean</transaction-type>
</enterprise-beans>
</ejb-jar>
[jboss.xml]
<!DOCTYPE jboss PUBLIC
"-//JBoss//DTD JBOSS 4.0//EN"
"http://www.jboss.org/j2ee/dtd/jboss_4_0.dtd";>
<enterprise-beans>
<ejb-name>ConverterBean</ejb-name>
<jndi-name>Converter</jndi-name>
</enterprise-beans>
[web.xml]
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"; version="2.4"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd";>
<display-name>converter</display-name>
<ejb-ref>
<ejb-ref-name>ConverterBean</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
converter.ConverterHome
converter.Converter
</ejb-ref>
</web-app>
[jboss-web.xml]
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE jboss-web PUBLIC
"-//JBoss//DTD Web Application 2.4//EN"
"http://www.jboss.org/j2ee/dtd/jboss-web_4_0.dtd";>
<jboss-web>
<context-root>/converter</context-root>
<ejb-ref>
<ejb-ref-name>ConverterBean</ejb-ref-name>
<jndi-name>Converter</jndi-name>
</ejb-ref>
</jboss-web>
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