DO JPA ENTITIES HAVE TO BE JAVA.IO.SERIALIZABLE?

 

http://www.adam-bien.com/roller/abien/entry/do_jpa_entities_have_to

Facebook logon workaround

 

http://seanshadmand.com/2015/03/06/facebook-js-login-on-chrome-ios-workaround/

Integrating your Java Spring MVC webapp with Facebook – Doing the OAuth Dance

 

http://syntx.io/integrating-your-java-spring-mvc-webapp-with-facebook-doing-the-oauth-dance/