[jboss-dev-forums] [EJB3 Development] - Re: Entity hashCode and equals overriding

Piotr Nowicki [https://community.jboss.org/people/pedrokowalski] created the discussion "Re: Entity hashCode and equals overriding" To view the discussion, visit: https://community.jboss.org/message/787914#787914 -------------------------------------------------------------- If you invoke addArticle(-) for the first time - the cart.getArtiles() is empty. If you invoke addArticle(-) again - the cart.getArticles().get(book) will return null, but *will the cart.getArticles() be empty?* Try debugging it - is the previous article in the map (then you have a problem with hashCode and/or equals) or it's not there (and you have a problem with persistence). -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/787914#787914] Start a new discussion in EJB3 Development at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]