http://www.javaranch.com/ is one of the oldest Java resources on the internet. It has a dedicated Java EE / EJB section (with CDI / JSF 2 contents). Forums are also a great place to start the morning :-).
NEW MUC Airport Workshop: Migrating Java Client (Swing / Java FX) to Web Standards
Airport MUC workshops: Web (SPA, PWAs, Offline, Desktop, Mobile) Applications Essentials and Effective Web Applications. No migrations. #usetheplatform
Podcast: airhacks.fm and newsletter: airhacks.news
A book about rethinking Java EE Patterns