I have an audit log listener I created to add a record to a different
table when specific entities have changed. It's been working fine, but
as soon as we added a component to one of our mappings, it started to
throw InvalidCastException: Can't cast MyComponentType to Object[] in
the FindModified method of event.Persister. Here is the code I am
using:
public bool OnPreUpdate( PreUpdateEvent evt )
{
// Determine which indexes are dirty, and produce an
AuditLogEntry
int[] indexes = evt.Persister.FindModified( evt.State,
evt.OldState, evt.Entity, evt.Session );
//... more code to get a session and persist
In this instance I'm saving a User type that has a component mapping
for MyComponentType.
The exception is being throw on the FindModified call. Here is a stack
trace:
System.InvalidCastException: Unable to cast object of type
'MyApp.MyComponentType' to type 'System.Object[]'.
at NHibernate.Type.ComponentType.IsModified(Object old, Object
current, Boolean[] checkable, ISessionImplementor session)
at NHibernate.Type.TypeFactory.FindModified(StandardProperty[]
properties, Object[] x, Object[] y, Boolean[][] includeColumns,
Boolean anyUninitializedProperties, ISessionImplementor session)
at NHibernate.Persister.Entity.AbstractEntityPersister.FindModified
(Object[] old, Object[] current, Object entity, ISessionImplementor
session)
at MyApp.AuditLogEventListener.OnPreUpdate(PreUpdateEvent evt) in
AuditLogEventListener.cs: line 58
Has anyone run into this before? Is it possible to FindModified on
component mappings?
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