I have an asynchronous method in my EJB singlet开发者_JAVA技巧on that\'s called from another method in the same class. I already know that I can\'t call the asynchronous method directly, I have to obt
Now i\'m working with EJB 3 in Stateless Bean i create method get all instance of entity About public List<About> retrieveAllAbout(){
I\'m very new to Java EE and I\'m trying to understand the concept of Local interfaces and Remote i开发者_运维知识库nterfaces. I\'ve been told that one of the big advantages of Java EE is that it is e
The EJB 3.0 specification does not allow a business method of a stateless session bean to create new threads. Why is that? What is wrong with creating additional worker threads that only do raw comput
Unable to catch optimistic lock exception. one way to raiseOptimisticLockException is by using em.flush()
I\'m just learning about JPA and session beans. I\'ve worked through a simple database model (schema designed using MySQL Workbench) and used an IDE (NetBeans) wizard to generate the JPA entity classe
Even though I\'ve been in Java SE for quite some time now, I started EE & web w/ Java only about a month ago, so pardon if the question seems a bit noobish...
I have a project with a EJB implementing a JWS Webservice, like this: @Stateless @Remote(WebServiceTest.class)
Hello every body now I work with shopping cart, I wonder use between Stateful session beans or HTTP session for cart or login. Everybody have any ideas?
Is developping an EJB application is considered like a web services ? Or the two are different ? Or you can make EJBs like web s开发者_JS百科ervices ?My answer would be yes and no.
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