Context.lookup

[Demetz Markus]

Hi everybody!

I am new to JBoss and EJB's and I spent a few days trying to lookup for my
SessionBean named PubManagementBean.
I get a very very strange exception:
Does anybody have a hint just where to search or what the error could be?
Very Thanks! Markus

Exception in thread "main" java.lang.NoClassDefFoundError:
LEDU/oswego/cs/dl/util/concurrent/SynchronizedLong;
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Unknown Source)
at java.lang.Class.getDeclaredField(Unknown Source)
at java.ibjectStreamClass.getDeclaredSUID(Unknown Source)
at java.ibjectStreamClass.access$600(Unknown Source)
at java.ibjectStreamClass$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.ibjectStreamClass.<init>(Unknown Source)
at java.ibjectStreamClass.lookup(Unknown Source)
at java.ibjectStreamClass.initNonProxy(Unknown Source)
at java.ibjectInputStream.readNonProxyDesc(Unknown Source)
at java.ibjectInputStream.readClassDesc(Unknown Source)
at java.ibjectInputStream.readOrdinaryObject(Unknown Source)
at java.ibjectInputStream.readObject0(Unknown Source)
at java.ibjectInputStream.defaultReadFields(Unknown Source)
at java.ibjectInputStream.readSerialData(Unknown Source)
at java.ibjectInputStream.readOrdinaryObject(Unknown Source)
at java.ibjectInputStream.readObject0(Unknown Source)
at java.ibjectInputStream.skipCustomData(Unknown Source)
at java.ibjectInputStream.readExternalData(Unknown Source)
at java.ibjectInputStream.readOrdinaryObject(Unknown Source)
at java.ibjectInputStream.readObject0(Unknown Source)
at java.ibjectInputStream.skipCustomData(Unknown Source)
at java.ibjectInputStream.readExternalData(Unknown Source)
at java.ibjectInputStream.readOrdinaryObject(Unknown Source)
at java.ibjectInputStream.readObject0(Unknown Source)
at java.ibjectInputStream.skipCustomData(Unknown Source)
at java.ibjectInputStream.readExternalData(Unknown Source)
at java.ibjectInputStream.readOrdinaryObject(Unknown Source)
at java.ibjectInputStream.readObject0(Unknown Source)
at java.ibjectInputStream.skipCustomData(Unknown Source)
at java.ibjectInputStream.readExternalData(Unknown Source)
at java.ibjectInputStream.readOrdinaryObject(Unknown Source)
at java.ibjectInputStream.readObject0(Unknown Source)
at java.ibjectInputStream.skipCustomData(Unknown Source)
at java.ibjectInputStream.readExternalData(Unknown Source)
at java.ibjectInputStream.readOrdinaryObject(Unknown Source)
at java.ibjectInputStream.readObject0(Unknown Source)
at java.ibjectInputStream.defaultReadFields(Unknown Source)
at java.ibjectInputStream.readSerialData(Unknown Source)
at java.ibjectInputStream.readOrdinaryObject(Unknown Source)
at java.ibjectInputStream.readObject0(Unknown Source)
at java.ibjectInputStream.readObject(Unknown Source)
at java.rmi.MarshalledObject.get(Unknown Source)
at org.jnp.interfaces.MarshalledValuePair.get(MarshalledValuePair.java:57)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:637)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:572)
at javax.naming.InitialContext.lookup(Unknown Source)
at client.Client.main(Client.java:17)

 

[Demetz Markus]

the code just looks like this:
public static void main(String[] args) {
try {
System.setProperty("java.naming.factory.initial",
"org.jnp.interfaces.NamingContextFactory");

System.setProperty("java.naming.provider.url","jnp://localhost:1099");
Context initial = new InitialContext();
Object ref = initial.lookup("PubManagementBean");
PubManagementHome home = (PubManagementHome)PortableRemoteObject
.narrow(ref,PubManagementHome.class);
}
catch(Exception e) {
System.err.println("MESSAGE:" + e.getMessage());
e.printStackTrace(System.err);
}
}

 

[Frank Langelage]

the code just looks like this:
public static void main(String[] args) {
try {
System.setProperty("java.naming.factory.initial",
"org.jnp.interfaces.NamingContextFactory");

System.setProperty("java.naming.provider.url","jnp://localhost:1099");
Context initial = new InitialContext();
Object ref = initial.lookup("PubManagementBean");
PubManagementHome home = (PubManagementHome)PortableRemoteObject
.narrow(ref,PubManagementHome.class);
}
catch(Exception e) {
System.err.println("MESSAGE:" + e.getMessage());
e.printStackTrace(System.err);
}
}

What's the classpath you use?
The simpliest way is to use jbossall-client.jar.

We use file jndi.properties which set one more property:
java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory
java.naming.provider.url=jnp://localhost:1099
*java.naming.factory.url.pkgs=org.jboss.namingrg.jboss.jnp.interfaces*