1 Reply Latest reply on Apr 28, 2004 10:44 PM by Paul Rowe

    Ejb-Client Error--SocketTimeoutException: org.jnp.interfaces

    krishnak007 Newbie

      Hi,
      I am trying to run the client-EJB application for JBoss 3.2.3---it gives me a runtime exception....
      is there any possible solution to this...even I ran the same code day before ..it worked fine ..today wen I tried running the same it gave me the error---!!
      ====================
      compile:

      client:
      [java] Getting Initial Context
      [java] Caught an unexpected exception while getting home interfaces!
      [java] javax.naming.CommunicationException: Receive timed out [Root excepti
      on is java.net.SocketTimeoutException: Receive timed out]
      [java] at org.jnp.interfaces.NamingContext.discoverServer(NamingContext
      .java:1115)
      [java] at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:
      1192)
      [java] at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:51
      4)
      [java] at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:50
      7)
      [java] at javax.naming.InitialContext.lookup(InitialContext.java:347)
      [java] at HelloClient.get_home_interfaces(HelloClient.java:47)
      [java] at HelloClient.(HelloClient.java:29)
      [java] at HelloClient.main(HelloClient.java:85)
      [java] Caused by: java.net.SocketTimeoutException: Receive timed out
      [java] java.lang.NullPointerException
      [java] at HelloClient.MyHello(HelloClient.java:61)
      [java] at HelloClient.(HelloClient.java:30)
      [java] at HelloClient.main(HelloClient.java:85)
      [java] at java.net.PlainDatagramSocketImpl.receive(Native Method)
      [java] at java.net.DatagramSocket.receive(DatagramSocket.java:711)
      [java] at org.jnp.interfaces.NamingContext.discoverServer(NamingContext
      .java:1093)
      [java] ... 7 more
      [java] ------Inside MyHello Function Desc.------------
      [java] Caught an unexpected exception while making hello()!



      BUILD SUCCESSFUL
      Total time: 10 seconds

      C:\MyProjects>
      ============================================================
      ============================================================

      These are my "xml" file details and the "Client" file---

      <?xml version="1.0" encoding="UTF-8"?>
      <!DOCTYPE ejb-jar PUBLIC
      "-//Sun Microsystems, Inc.//DTD Enterprise JavaBeans 2.0//EN"
      "http://java.sun.com/dtd/ejb-jar_2_0.dtd">

      <ejb-jar>

      <enterprise-beans>



      <ejb-name>HelloHome</ejb-name>
      examples.HelloHome
      examples.Hello
      <local-home>examples.HelloLocalHome</local-home>
      examples.HelloLocal
      <ejb-class>examples.HelloBean</ejb-class>
      <session-type>Stateless</session-type>
      <transaction-type>Container</transaction-type>



      </enterprise-beans>

      </ejb-jar>
      ==============================================
      <?xml version="1.0" encoding="UTF-8"?>

      <enterprise-beans>

      <ejb-name>HelloHome</ejb-name>
      <jndi-name>HelloHome</jndi-name>
      <local-jndi-name>HelloLocal</local-jndi-name>

      </enterprise-beans>

      =======================================================
      import javax.naming.Context;
      import javax.naming.InitialContext;
      import java.util.Properties;
      import javax.rmi.PortableRemoteObject;
      import java.util.Enumeration;
      import examples.Hello;
      import examples.HelloHome;
      import examples.HelloLocal;
      import examples.HelloLocalHome;
      import examples.HelloBean;


      //invokes methods on a simple stateless session bean

      public class HelloClient{

      /** JNDI Context Provider */
      public static String CONTEXT_PROVIDER_URL = "localhost:1099";
      /** JNDI Context class Factory Name */
      public static String CONTEXT_FACTORY_NAME = "org.jnp.interfaces.NamingContextFactory";
      public static String CONTEXT_FACTORY_PKGS = "org.jboss.naming:org.jnp.interfaces";
      /** JNDI Properties */
      private static Properties Properties = null ;

      private HelloHome hello_home;

      public HelloClient()
      {
      get_home_interfaces();
      MyHello();

      }


      private void get_home_interfaces()
      {
      try {
      Properties Properties = new Properties ( ) ;
      Properties . put ( "Context.PROVIDER_URL" , CONTEXT_PROVIDER_URL ) ;
      Properties . put ( "java.naming.provider.url" , CONTEXT_PROVIDER_URL ) ;
      Properties . put ( "java.naming.factory.initial" , CONTEXT_FACTORY_NAME ) ;
      Properties . put ( "java.naming.factory.url.pkgs" , CONTEXT_FACTORY_PKGS ) ;

      InitialContext initial = new InitialContext(Properties);
      pl("Getting Initial Context");

      Object cont_ref = initial.lookup("HelloHome");
      hello_home=(HelloHome)javax.rmi.PortableRemoteObject.narrow(cont_ref, HelloHome.class);
      } catch (Exception ex) {
      pl("Caught an unexpected exception while getting home interfaces!");
      ex.printStackTrace(System.out);
      }
      }


      private Hello MyHello()
      {
      try{
      pl("------Inside MyHello Function Desc.------------");

      Hello hello=hello_home.create();
      pl("------Inside MyHello Function Desc.--step2--------------");
      System.out.println(hello.hello());
      pl("------Completed the EJB Cycle------------");
      return hello;

      }



      catch (Exception ex) {
      pl("Caught an unexpected exception while making hello()!");
      ex.printStackTrace();
      }
      return null;

      }
      public void pl(String str){System.out.println(str);}

      public static void main(String[] args) {
      HelloClient te = new HelloClient();
      }
      }


      ===================================================================


      Any help, suggestions are welcome..

      Krishna k.
      9819152725