I have a list view page that pops up within page a send-to-friend form (using
display block/none toggle). The send to friend form is submitted via
<a:commandButton action="#{sendToFriend.send}"/>. The problem is that when the
form is submitted, I always get the exception saying that the entityManager in
the sendToFriend bean is null. I configured the entityManager the standard way,
with auto-create and Conversation context.
| <core:managed-persistence-context name="entityManager"
| auto-create="true"
| persistence-unit-jndi-name="java:/myEntityManagerFactory"/>
|
The sendToFriendBean is of EVENT scope:
| @Name("sendToFriend")
| @Scope(ScopeType.EVENT)
| @AutoCreate
| public class SendToFriend {
| ...
| @In
| private EntityManager entityManager;
| ...
| public void send() {
| ...
| }
| }
|
I did some debugging, and found out that when BijectionInterceptor was trying
to inject entityManager, there was no conversationContext alive (which was the
scope of the entityManager). So no entityManager was created. How do I solve
this problem? A related question is that, I have many other beans with EVENT
scope and entityManager injection. How can they work, with conversation scope
alive without me starting it?
Thanks.
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