Dariusz Kominek [https://community.jboss.org/people/darisz] created the discussion "ejb client and naming error - problem" To view the discussion, visit: https://community.jboss.org/message/776774#776774 -------------------------------------------------------------- *I'm very beginner in ejb programming so please don't be angry if the question is easy.* *Below is a code I wrote and it produces an error. What should I change to get this to work? I work with Eclipse Juno and JBoss 7.1.1. Below example should work for* Application Server - JBoss 4.2.2 GA IDE - Eclipse 3.4.1 *It doesn't work for my environment. Any help will be appreciated.* javax.naming.NoInitialContextException: Cannot instantiate class: org.jnp.interfaces.NamingContextFactory [Root exception is java.lang.ClassNotFoundException: org.jnp.interfaces.NamingContextFactory] at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:674) at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:307) at javax.naming.InitialContext.init(InitialContext.java:242) at javax.naming.InitialContext.<init>(InitialContext.java:216) at MyBeanClient.main(MyBeanClient.java:13) Caused by: java.lang.ClassNotFoundException: org.jnp.interfaces.NamingContextFactory at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:423) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at com.sun.naming.internal.VersionHelper12.loadClass(VersionHelper12.java:63) at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:671) ... 4 more *IMyBean.java* import java.io.Serializable; public interface IMyBean extends Serializable { public void doSomething(); } *MyBeanRemote.java* import javax.ejb.Remote; @Remote public interface MyBeanRemote extends IMyBean{ } *MyBeanLocal.java* import javax.ejb.Local; @Local public interface MyBeanLocal extends IMyBean { } *MyBean.java* import javax.ejb.Stateless; @Stateless public class MyBean implements MyBeanLocal, MyBeanRemote { private static final long serialVersionUID = 9184424076718418234L; public void doSomething() { System.out.println("Hello World!"); } } *MyBeanClient.java* import java.util.Properties; import javax.naming.InitialContext; import javax.naming.NamingException; public class MyBeanClient { public static void main(String[] args) { try { Properties props = new Properties(); props.setProperty("java.naming.factory.initial","org.jnp.interfaces.NamingContextFactory"); props.setProperty("java.naming.factory.url.pkgs", "org.jboss.naming"); props.setProperty("java.naming.provider.url", "127.0.0.1:1099"); InitialContext ctx = new InitialContext(props); MyBeanRemote bean = (MyBeanRemote) ctx.lookup("MyBean/remote"); bean.doSomething(); } catch (NamingException e) { e.printStackTrace(); } } } -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/776774#776774] Start a new discussion in EJB3 at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]