I use Spring's openSessionInViewInterceptor to handle opening and closing
Hibernate sessions.
It seems to work fine when I hit pages directly. However, when I have a wicket
POST that then redirects to a response page, I get
Unexpected RuntimeException
...
Caused by: org.hibernate.HibernateException: collection was evicted
at
org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:40)
at org.hibernate.impl.SessionImpl.initializeCollection(SessionImpl.java:1422)
at
org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:171)
at
org.hibernate.collection.AbstractPersistentCollection.read(AbstractPersistentCollection.java:48)
at org.hibernate.collection.PersistentSet.size(PersistentSet.java:110)
...
My guess is that it's because RequestCycle.onBeginRequest (where I re-attach
some objects to the session) is called once for the pair of requests, while
openSessionInViewInterceptor is called for each part.
Does anyone know if that's the case?
*More importantly, is there any Wicket function that's called for each
part of the request that I can use instead of onBeginRequest?
Thanks,
Dan
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