Liberino Covelli [https://community.jboss.org/people/rino.covelli] created the discussion "Problem with my first EJB application" To view the discussion, visit: https://community.jboss.org/message/752694#752694 -------------------------------------------------------------- Dear friends , i have a problem with my first EJB application. I hava create this bussiness interface package ejb;   import javax.ejb.Local; import javax.ejb.Remote;   @Local public interface CountryCapital {     public String capitalName(String countryName); } I have create a SessionBean package ejb;   import javax.ejb.EJB; import javax.ejb.Stateless;   @Stateless public class CountryCapitalBean implements CountryCapital,CountryCapitalLocal{             public String capitalName(String countryName)     {         String capital=new String("No such country");         if (countryName.equalsIgnoreCase("India"))         {             capital="New Delhi";         }         if (countryName.equalsIgnoreCase("United States Of America"))         {             capital="Washington DC";         }         if (countryName.equalsIgnoreCase("China"))         {             capital="Beijing";         }               return capital;       } } Finally, I implemented a client and wanted to inject the bean but it does not work package appclient;     import javax.ejb.EJB;     public class ApplicationClient {         @EJB     private static CountryCapital countryCapital;         public static void main(String [] args){                  countryCapital.capitalName("India");          }  }  This is the error , the injection does not work Exception in thread "main" java.lang.NullPointerException     at appclient.ApplicationClient.main(ApplicationClient.java:25) -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/752694#752694] Start a new discussion in Beginner's Corner at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]