# JavaOne News, EntityManagers, SessionScoped Stateful or 7th AIrhacks Q & A

JavaOne news and coverage
Different ways to reference an EntityManager from an Entity
What are @SessionScoped @Stateful Beans?
@RequestScoped EntityManager and web frameworks
Should @OneToMany JPA relationships be avoided?
Storing JPA entities and persistence by reachability
Is Jenkins a microservice?
"...how many SLSB that can be added in my application, can i 
create as many as possible SSLB, like let say, one for each entity class..."  [tejo]


The questions above are going to be answered during the next "Airhacks Q & A" http://airhacks.io live. You can subscribe to the channel and / or for the next event: http://www.ustream.tv/channel/adambien (both is optional, no registration required to watch this event live). 


If you miss a question, comment this post, tweet your question with the hashtag "#airhacks" or mention @AdamBien on twitter. 


The best of all: you can ask the questions live using twitter (hashtag "#airhacks") or (the best option): using channel ##airhacks on http://freenode.net.



See you at Java EE Workshops at MUC Airport or on demand and in a location very near you: airhacks.io!