[nhibernate-issues] [JIRA] Created: (NH-1845) StatefulPersistenceContext.RemoveEntity KeyNotFoundException on Evict

[NHibernate J. <nh...@gm...>]

StatefulPersistenceContext.RemoveEntity KeyNotFoundException on Evict
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                 Key: NH-1845
                 URL: http://nhjira.koah.net/browse/NH-1845
             Project:  NHibernate
          Issue Type: Bug
          Components: Core
    Affects Versions:  2.0.1.GA
            Reporter: David Cowan
            Priority: Critical


In entities with parent/child relationships calling Evict can cause KeyNotFoundException's in StatefulPersistenceContext.RemoveEntity  

Stack trace is below.  Also see this forum post

https://forum.hibernate.org/viewtopic.php?f=25&t=993443&view=previous

System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary.
   at System.ThrowHelper.ThrowKeyNotFoundException()
   at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
   at NHibernate.Engine.StatefulPersistenceContext.RemoveEntity(EntityKey key)
   at NHibernate.Event.Default.DefaultEvictEventListener.OnEvict(EvictEvent event)
   at NHibernate.Impl.SessionImpl.FireEvict(EvictEvent evictEvent)
   at NHibernate.Impl.SessionImpl.Evict(Object obj)
   at NHibernate.Engine.CascadingAction.EvictCascadingAction.Cascade(IEventSource session, Object child, String entityName, Object anything, Boolean isCascadeDeleteEnabled)
   at NHibernate.Engine.Cascade.CascadeToOne(Object child, IType type, CascadeStyle style, Object anything, Boolean isCascadeDeleteEnabled)
   at NHibernate.Engine.Cascade.CascadeAssociation(Object child, IType type, CascadeStyle style, Object anything, Boolean isCascadeDeleteEnabled)
   at NHibernate.Engine.Cascade.CascadeProperty(Object child, IType type, CascadeStyle style, Object anything, Boolean isCascadeDeleteEnabled)
   at NHibernate.Engine.Cascade.CascadeOn(IEntityPersister persister, Object parent, Object anything)
   at NHibernate.Event.Default.DefaultEvictEventListener.DoEvict(Object obj, EntityKey key, IEntityPersister persister, IEventSource session)
   at NHibernate.Event.Default.DefaultEvictEventListener.OnEvict(EvictEvent event)
   at NHibernate.Impl.SessionImpl.FireEvict(EvictEvent evictEvent)
   at NHibernate.Impl.SessionImpl.Evict(Object obj)
   at NHibernate.Engine.CascadingAction.EvictCascadingAction.Cascade(IEventSource session, Object child, String entityName, Object anything, Boolean isCascadeDeleteEnabled)
   at NHibernate.Engine.Cascade.CascadeToOne(Object child, IType type, CascadeStyle style, Object anything, Boolean isCascadeDeleteEnabled)
   at NHibernate.Engine.Cascade.CascadeAssociation(Object child, IType type, CascadeStyle style, Object anything, Boolean isCascadeDeleteEnabled)
   at NHibernate.Engine.Cascade.CascadeProperty(Object child, IType type, CascadeStyle style, Object anything, Boolean isCascadeDeleteEnabled)
   at NHibernate.Engine.Cascade.CascadeOn(IEntityPersister persister, Object parent, Object anything)
   at NHibernate.Event.Default.DefaultEvictEventListener.DoEvict(Object obj, EntityKey key, IEntityPersister persister, IEventSource session)
   at NHibernate.Event.Default.DefaultEvictEventListener.OnEvict(EvictEvent event)
   at NHibernate.Impl.SessionImpl.FireEvict(EvictEvent evictEvent)
   at NHibernate.Impl.SessionImpl.Evict(Object obj)


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