.NameNotFoundException

Hi,
I tried to develop a sample project with reference to:

http://theopentutorials.com/examples/java-ee/ejb3/how-to-create-a-simple-ejb3-project-in-eclipse-jboss-7-1/

When I try to run the client, I get the following error

javax.naming.NameNotFoundException: ejb: 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:396)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.jboss.naming.NamingService.invoke(NamingService.java:417)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157)
    at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96)
    at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
    at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:271)
    at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:670)
    at org.jboss.invocation.http.servlet.InvokerServlet.processRequest(InvokerServlet.java:162)
    at org.jboss.invocation.http.servlet.InvokerServlet.doPost(InvokerServlet.java:232)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
    at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88)
    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:654)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)
    at java.lang.Thread.run(Unknown Source)
Exception in thread "main" java.lang.NullPointerException
    at com.ibytecode.client.EJBApplicationClient.main(EJBApplicationClient.java:13)

-Arun