Hello all,
I really need some help here.
I am totally new to both J2EE and JBoss.
I am reading Matering Enterprise JavaBean to learn J2EE, and I tried the
"Writing Your First Bean". It should be real simple, but still I cannot get it
to work...
Jboss starts with no exceptions and with no errors, but there's this warning:
anonymous wrote : 19:56:02,965 WARN [NamingService] Context.PROVIDER_URL in
server jndi.properties, url=localhost:1099
When I try to run the test client, I get the following exception:
anonymous wrote : 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:652)
| at
javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:243)
| at javax.naming.InitialContext.init(InitialContext.java:219)
| at javax.naming.InitialContext.(InitialContext.java:195)
| at examples.HelloClient.main(HelloClient.java:44)
| Caused by: java.lang.ClassNotFoundException:
org.jnp.interfaces.NamingContextFactory
| at java.net.URLClassLoader$1.run(URLClassLoader.java:199)
| at java.security.AccessController.doPrivileged(Native Method)
| at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
| at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
| at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
| at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
| at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
| at java.lang.Class.forName0(Native Method)
| at java.lang.Class.forName(Class.java:219)
| at
com.sun.naming.internal.VersionHelper12.loadClass(VersionHelper12.java:42)
| at
javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:649)
| ... 4 more
| Exception in thread "main"
My client is as simple as can be:
public static void main(String[] args) throws Exception{
| Properties props= System.getProperties();
| Context ctx= new InitialContext(props);
| Object obj= ctx.lookup("java:comp/env/ejb/Hello");
| HelloHome home= (HelloHome) PortableRemoteObject.narrow(obj,
HelloHome.class);
|
| //etc...
I added the /conf directory to the classpath, so to have jndi.properties.
My jndi.properties is:
# DO NOT EDIT THIS FILE UNLESS YOU KNOW WHAT YOU ARE DOING
| #
| java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory
| java.naming.provider.url=jnp://localhost:1099
| java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces
The codes are copied from the Mastering Enterprise JavaBean book, and the
content of jndi.properties is copied from the Getting Started with JBoss
document.
As for my decision to add the /conf directory to the classpath, well, I had
other Exception before that, and I read in the forum that the jndi.properties
should be added to the classpath.
It all seems to be like it should be, but it is just not working.
Anyone has ideas what went wrong?
Would appreciate any help.
Kind regards,
Ohad
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