Issue 25 - consonance - Duplicate objects hitting cache (???)

Issue 25:	Duplicate objects hitting cache (???)	‹ Prev 8 of 14 Next ›
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Status:	Accepted
Owner:	adamtaunowilliams
Type-Defect
Priority-Critical

Reported by adamtaunowilliams, Mar 08, 2008

Exception in MutliResultCallback

Exception:
EntityFromCache found duplicate objects in db4o!
  at Whitemice.ZOGI.Cache.Get (Int32 _objectId) [0x00000] 
  at Whitemice.ZOGI.Cache.Has (Int32 _objectId, Int32 _detail, Int32
_maxAge, Whitemice.ZOGI.Entity& _entity) [0x00000] 
  at Whitemice.ZOGI.Cache.Has (Int32 _objectId, Int32 _detail,
Whitemice.ZOGI.Entity& _entity) [0x00000] 
  at Whitemice.ZOGI.Server.FactoryInbound (IDictionary`2 _struct) [0x00000] 
  at Whitemice.ZOGI.Server.FactorySubordinates (Whitemice.ZOGI.Entity
_entity, IDictionary`2 _struct) [0x00000] 
  at Whitemice.ZOGI.Server.Factory (IDictionary`2 _struct,
Whitemice.ZOGI.Rpc _state) [0x00000] 
  at Whitemice.ZOGI.Server.Factory (IList`1 _structs, Whitemice.ZOGI.Rpc
_state) [0x00000] 
  at Whitemice.ZOGI.Server.MultiResultCallback (IAsyncResult _asyncResult)
[0x00000] 

No inner exception.

Comment 1 by adamtaunowilliams, Apr 30, 2008

Exception in MutliResultCallback

Exception:
EntityFromCache found duplicate objects in db4o!
  at Whitemice.ZOGI.Cache.Get (Int32 _objectId) [0x00000] 
  at Whitemice.ZOGI.Cache.Has (Int32 _objectId, Int32 _detail, Int32 _maxAge,
Whitemice.ZOGI.Entity& _entity) [0x00000] 
  at Whitemice.ZOGI.Cache.Has (Int32 _objectId, Int32 _detail, Whitemice.ZOGI.Entity&
_entity) [0x00000] 
  at Whitemice.ZOGI.Server.FactoryInbound (IDictionary`2 xml) [0x00000] 
  at Whitemice.ZOGI.Server.FactorySubordinates (Whitemice.ZOGI.Entity _entity,
IDictionary`2 _struct) [0x00000] 
  at Whitemice.ZOGI.Server.Factory (IDictionary`2 _struct, Whitemice.ZOGI.Rpc _state)
[0x00000] 
  at Whitemice.ZOGI.Server.Factory (IList`1 _structs, Whitemice.ZOGI.Rpc _state)
[0x00000] 
  at Whitemice.ZOGI.Server.MultiResultCallback (IAsyncResult _asyncResult) [0x00000] 

No inner exception.

Haven't see this one in awhile.

Comment 2 by adamtaunowilliams, May 05, 2008

Made sure all Cache operations are within a lock when using the db4o database.

Comment 3 by awill...@whitemice.org, Sep 29, 2008

Still getting this error occasionally;  need to verify if it only occurs when
Consonance start with a database left behind by a previous run that did not exit
cleanly (does it ever?)