 396 | Operations on the database will be performed by an instance of a session bean (EJB) class ... ) > Session Bean and clicking Next. Enter GuestDao as the EJB class name - use exactly that case sensitive class name. The Java package name should be guest. Click Finish to create the new session bean (EJB |
393 | Operations on the database will be performed by an instance of a session bean (EJB) class ... the new session bean (EJB) class. Now replace the content of the new source file with the following code: package guest;
import java.util.List;
import javax.ejb.Stateless;
import javax |
72 | This tutorial demonstrates how to create and run a full Java EE 6 MVC (Model View Controller) web application using GlassFish, ObjectDB and JPA. Since this web application uses Java EE 6 EJB (session beans) it requires a full Java EE 6 application server, such as GlassFish 3.0.1 or JBoss AS 6 |
53 | Step by step tutorial that demonstrates how to build a simple Java EE web application (with Servlet, JSP and an EJB Session Bean) in Eclipse using JPA. |
53 | Step by step tutorial that demonstrates how to build a simple Java EE web application (with Servlet, JSP and an EJB Session Bean) in NetBeans using JPA. |
49 | during an invocation on EJB GuestDao, method: public java.util.List guest.GuestDao.getAllGuests()
2014-09-01T19:09:01.324+0200|Avertissement: javax.ejb.EJBException
at com.sun.ejb.containers ... .ejb.containers.EJBContainerTransactionManager.completeNewTx(EJBContainerTransactionManager.java:698 |
42 | javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet ... ;
// Injected DAO EJB:
@EJB GuestDao guestDao;
@Override
protected void doGet ... automatically (since the field is marked with the @EJB annotation). The next step is adding a JSP |
42 | ;
import java.io.IOException;
import javax.ejb.EJB;
import javax.servlet.ServletException ... final long serialVersionUID = 1L;
// Injected DAO EJB:
@EJB GuestDao guestDao ... the application server into the guestDao field automatically (since the field is marked with the @EJB |
35 | log output for nearly every @EJB on startup. Typical message is like:
Info: [2016-10-30 09:16:46 #6 enhancer.agent]
Not Enhanced: com/example/ejb/query/__EJB31_Generated__ExampleQuery__Intf__: com.objectdb.o.TEX: Type com.example.ejb.query.__EJB31_Generated__ExampleQuery__Intf__ is not found |
33 | via a querying @EJB gives many fields null (and not even empty, I mean truly null). In the following ... . When I serve the query via and @EJB TestQuery and @RequestScoped Page JSF to a simple XHTML page ... either empty or populated are served as null (!). The query is performed by an @EJB: @Stateless public class |