Mark Stateful Session Bean As Transaction Attribute Type: REQUIRES_NEW
File: EmployeeBean.java import javax.ejb.Stateful; import javax.ejb.TransactionAttribute; import javax.ejb.TransactionAttributeType; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; import javax.persistence.PersistenceContextType; @Stateful @TransactionAttribute(TransactionAttributeType.REQUIRES_NEW) public class EmployeeBean implements EmployeeServiceLocal, EmployeeServiceRemote { @PersistenceContext(unitName = "EmployeeService", type = PersistenceContextType.EXTENDED) EntityManager em; public EmployeeBean() { } public void doAction() { System.out.println("Processing..."); } } File: EmployeeServiceLocal.java import java.util.Map; import javax.ejb.Local; @Local public interface EmployeeServiceLocal { public void doAction(); } File: EmployeeServiceRemote.java import javax.ejb.Remote; @Remote public interface EmployeeServiceRemote { public void doAction(); } File: Employee.java import javax.persistence.Entity; import javax.persistence.EntityListeners; import javax.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.PostRemove; @Entity public class Employee implements java.io.Serializable { private int id; private String firstName; private String lastName; @Id @GeneratedValue public int getId() { return id; } @PostRemove public void postRemove() { System.out.println("@PostRemove"); } public void setId(int id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String first) { this.firstName = first; } public String getLastName() { return lastName; } public void setLastName(String last) { this.lastName = last; } } File: Main.java import javax.ejb.EJB; import javax.naming.InitialContext; public class Main { public static void main(String[] a) throws Exception { EmployeeServiceRemote service = null; // Context compEnv = (Context) new InitialContext().lookup("java:comp/env"); // service = (HelloService)new InitialContext().lookup("java:comp/env/ejb/HelloService"); service = (EmployeeServiceRemote) new InitialContext().lookup("EmployeeBean/remote"); service.doAction(); } } File: jndi.properties java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces java.naming.provider.url=localhost:1099