About EJB

11-20 of 78Refresh
Tutorial
34

Step 4: Add a Servlet Class

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
Tutorial
34

Step 4: Add a Servlet Class

; 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
Issue
22

objectdb-2.6.9_06: Extended Persistence Context fails: 'Attempt to begin a new transaction when a transaction is active'

.1 and then: Set DO_FORCE_COMMIT_AFTER_BUILD = false in com.greensoft.objectdb.test.mini.ejb ... class ExtConfigBean extends All_ { @EJB private ExtProjectBuilder builder ... { ... Warning: A system exception occurred during an invocation on EJB ExtProjectBuilder, method
Tutorial
22

JPA Tutorials [2011-02-09]

with a Servlet and a JSP: JPA Web Application Tutorial This web application does not use EJB ... Since this web application uses Java EE 6 EJB (session beans) it requires a full Java EE 6 application server
Tutorial
22

JPA Tutorials

with a Servlet and a JSP: JPA Web Application Tutorial This web application does not use EJB ... Since this web application uses Java EE 6 EJB (session beans) it requires a full Java EE 6 application server
Forum
17

Glassfish 4 AbstractMethodError: com.objectdb.jpa.EMF.createEntityManager

). Thanks! WARNING:   EJB5184:A system exception occurred during an invocation on EJB UserC, method: public void com.mirq.controller.UserC.findUser(java.lang.Long) WARNING:   javax.ejb ... /EntityManager; at com.sun.ejb.containers.EJBContainerTransactionManager.checkExceptionClientTx
Tutorial
15

Step 2: Entity Class and Persistence Unit

provider with the specified database url. The next step is adding an EJB Session Bean that will manage Guest entity objects.
Tutorial
15

Step 2: Entity Class and Persistence Unit

database url. The next step is adding an EJB Session Bean that will manage Guest entity objects.
Result
15

Consulting and Training [2015-06-02]

with ObjectDB and goes to exploring design alternatives, advanced JPQL, using ObjectDB with JEE (EJB
Result
15

Consulting and Training

with ObjectDB and goes to exploring design alternatives, advanced JPQL, using ObjectDB with JEE (EJB