i have created a namedquery with ejb to check if the username is used. When the singleResult is null, then i get the following Exception :
I have my business bean defined thus: @Local @Interceptors(BusinessInterceptor.class}) public class MyBean implements SomeBean { ... }
Somebody knows an example of this? an application made开发者_JAVA技巧 with JSF 2.0 and EJB 3? directory structure, etc, those kind of things, I’m trying to approach the best way to create a Java EE a
Hi I\'m at big financial institute and we\'ve an application running on Websphere 6.1. on Solaris. Due to MQ Connectivity we had to install fixpack 6.1.0.23. Unfortunately this broke an ejb (1.1) whic
I am working on a large existing EJB 1.1 application that current does its own sercurity and has no EJB managed security.
I would be very appreciative if anyone who has any experience with using Enterprise JavaBeans, or who considered, but rejected the use of EJBs would respond to a short survey. The survey consists of e
I have a JSF application running on glassfish 2.1 with a EJB 3 backend. For authentication I use a custom realm. The user authenticates using the e-mail-address and password he specified on registrati
As I am learning JSF2, I realized I am not sure what the backing components should be. From design point of view, what is the difference between EJBs and @ManagedBeans?
What is common and 开发者_运维知识库useful uses of JMS and Message Driven Beans?Asynchronous communication: The caller returns quickly, and can continue its work (without creating a new thread) and th
I have a Seam component that handles login, with the name \"authenticator\": @Name(\"authenticator\") public class AuthenticatorAction implements Authenticator