Don't know what is happening :(
I have entity event
that persists when save
button pressed and {eventAction.register} is called.
@Stateless
@Name("eventAction")
public class eventAction implements Registerint
{
@In(create=true, required =false) event event;
@PersistenceContext
private EntityManager em;
public String register()
{
em.persist(event);
return "success";
}
}but if I want to redirect it to another page it is working fine (entity will persist and page will be redirected to required page)
I tried redirect 2 different ways
1. By adding
public String register()
{
em.persist(event);
return "/eventAdded.xhtml";
}2. or adding to page.xml
<navigation from-action="#{eventAction.register}">
<rule if-outcome="success">
<redirect view-id="/eventAdded.xhtml"/>
</rule>
</navigation>I will get error:
12:24:45,151 INFO [STDOUT] Hibernate:
select
hibernate_sequence.nextval
from
dual
12:24:45,189 INFO [STDOUT] Hibernate:
insert
into
event
(children, city, couple, description, email, endDate, endTime, enterFee, eventname, groups, openspace, parking, phone, place, sidecity, single, startDate, startTime, street, zip, id)
values
(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
12:24:45,198 ERROR [SeamPhaseListener] uncaught exception
java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextEntry(Unknown Source)
at java.util.HashMap$EntryIterator.next(Unknown Source)
......
......
Anybody know why I get this error when redirecting, If I remove redirect I will not get this error? Even thought with this error, redirecting and persisting works, but I don't want to leave it like this :)
