[jboss-user] [EJB 3.0] - Entity collection problem.

[urswag]

Entity collection problem.

Hello

I try to get a many relationship collection of the Enitty language. Unfortunately I get an error message.
 
anonymous wrote : 
  | 	@OneToMany(cascade={CascadeType.ALL})
  | 	@JoinColumn(name="langid")
  | 	public Collection getAssortments() {
  | 		
  | 		return assortments;
  | 	}
  | 
  | 	public void setAssortments(Collection assortments) {
  | 		
  | 		this.assortments = assortments;
  | 	}
  | 

anonymous wrote : 
  | 
  | used by: java.lang.reflect.InvocationTargetException
  | 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  | 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  | 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 	at java.lang.reflect.Method.invoke(Method.java:585)
  | 	at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:400)
  | 	... 56 more
  | Caused by: org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: org.flohmarkt.ejb.Language.assortments, no session or session was closed
  | 	at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:358)
  | 	at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfNotConnected(AbstractPersistentCollection.java:350)
  | 	at org.hibernate.collection.AbstractPersistentCollection.readSize(AbstractPersistentCollection.java:97)
  | 	at org.hibernate.collection.PersistentBag.size(PersistentBag.java:222)
  | 	at org.flohmarkt.web.WelcomePage.getLeftOverviewList(WelcomePage.java:69)
  | 	... 61 more
  | 
  | 

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