momsse [http://community.jboss.org/people/momsse] created the discussion "Problem with importing a simple Java project on an Ejb" To view the discussion, visit: http://community.jboss.org/message/578785#578785 -------------------------------------------------------------- Hello and happy new year, Please excuse me for my English (i am French). I'm new to JBoss (AS version 4.4 GA), I work on a project with EJB 3.0, and am having a problem to import a project (a simple java project) in my EJB: My project contains an EJB module: - DemoEJB an WAR: - DemoWAR and an EAR that includes them: -DemoEAR I want to use a Java project that contains the example for this simple class: public class Hello {       public String hello(){      return "Hello";     } } When I made it like that: @Entity   @Table(name = "addresses")   public class Address implements Serializable {       @Id     @GeneratedValue(strategy = GenerationType.AUTO)     private int ID;       private String name;       public Address() {     }       public Address(Hello h) {       }       //...   } I get the following error: 18:40:37,464 ERROR [URLDeploymentScanner] Incomplete Deployment listing: --- MBeans waiting for other MBeans --- ObjectName: persistence.units:ear=DemoEAR.ear,jar=DemoEJB.jar,unitName=DemoPU   State: FAILED   Reason: java.lang.RuntimeException: java.lang.NoClassDefFoundError: hello/Hello   I Depend On:     jboss.jca:service=ManagedConnectionFactory,name=DemoDS   Depends On Me:     jboss.j2ee:ear=DemoEAR.ear,jar=DemoEJB.jar,name=DemoDB,service=EJB3 ObjectName: jboss.j2ee:ear=DemoEAR.ear,jar=DemoEJB.jar,name=DemoDB,service=EJB3   State: NOTYETINSTALLED   I Depend On:     persistence.units:ear=DemoEAR.ear,jar=DemoEJB.jar,unitName=DemoPU   Depends On Me:     jboss.j2ee:ear=DemoEAR.ear,jar=DemoEJB.jar,name=DemoRemoteImpl,service=EJB3 ObjectName: jboss.j2ee:ear=DemoEAR.ear,jar=DemoEJB.jar,name=DemoRemoteImpl,service=EJB3   State: NOTYETINSTALLED   I Depend On:     jboss.j2ee:ear=DemoEAR.ear,jar=DemoEJB.jar,name=DemoDB,service=EJB3 --- MBEANS THAT ARE THE ROOT CAUSE OF THE PROBLEM --- ObjectName: persistence.units:ear=DemoEAR.ear,jar=DemoEJB.jar,unitName=DemoPU   State: FAILED   Reason: java.lang.RuntimeException: java.lang.NoClassDefFoundError: hello/Hello   I Depend On:     jboss.jca:service=ManagedConnectionFactory,name=DemoDS   Depends On Me:     jboss.j2ee:ear=DemoEAR.ear,jar=DemoEJB.jar,name=DemoDB,service=EJB3 -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/578785#578785] Start a new discussion in JBoss Portal at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]