I am having a EJB 3.0 Session Bean which implements the Local interface, and I have a pure POJO also.
Question 1: As per the book I follow to learn EJB author told that every lookup creates a new stateful session bean. So, what I did is defined a method init() with @PostConstruct annotation with a sys
How is that instance pooling with EJBs can improve performance? Wouldn\'t you be able to accomplish the same performance just with threads like a java servlet?
I tried several ways in the session bean, like: @Resource private SessionContext ctx; OR private SessionContext ctx;
We currently have a Stateful bean that is injected into a Servlet. The problem is that sometimes we get a Caused by: javax.ejb.ConcurrentAccessException: SessionBean is executing another request. [ses
Wha开发者_C百科t would a stateless session bean provide over just a regular class that has the same methods?It seems that a stateful session bean can be distributed out of the box and the container wi
I have been working through this tutorial. Halfway though it creates an interface and facades for an EJB. Can anyone tell me when I reference the interface using the开发者_Python百科 @EJB annotation,
I would have thought that there is a lot of information out there on this, but I haven\'t found anything that really answers my qu开发者_如何转开发estion.
Normally we use singleton instance for business / dao layer. What is the reason behind pooling stateless session beans in case开发者_JS百科 of EJBs?The \"stateless\" in the name refers to session conv
does anyone knows how to \"plug in\" or enable IOC for injecting @EJB in classes which are not EJBs or Servlets (but rather POJOs)? So, if EJB and Servlet use helper classes, their EJB annotations are
加载中,请稍侯......