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

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

    [ http://nhjira.koah.net/browse/NH-1845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18250#action_18250 ] 

Fabio Maulo commented on NH-1845:
---------------------------------

Please review this link
http://nhforge.org/wikis/howtonh/the-best-way-to-get-nhibernate-community-support-submit-precise-description-of-the-problem.aspx

> StatefulPersistenceContext.RemoveEntity KeyNotFoundException on Evict
> ---------------------------------------------------------------------
>
>                 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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