Deserializing error, possibly related to enums about psi HOT 4 OPEN

Sometimes we get these sorts of exceptions during deserialization when \psi is unable to locate the Type needed to deserialize an object (which may be nested). Typically this happens when you are trying to deserialize an object which contains a reference to a polymorphic type via its interface or base class, and the runtime is not able to instantiate a serializer for the derived type because it does not have a reference to the defining assembly.

The way to get around this is to register the missing type for serialization somewhere in your code before you attempt to read the data from the store. Based on your exception message above, could you try adding the following to your code:

using EmotionRepresentation;
using Microsoft.Psi.Serialization;
...
KnownSerializers.Default.Register<EmotionCategory.Category>();

from psi.

Unfortunately that did not work. Any other suggestions?

from psi.

You could try registering with the full type name, though I would have thought this to be unnecessary unless your assembly/type name has changed in some way:

KnownSerializers.Default.Register<EmotionCategory.Category>("EmotionRepresentation.EmotionCategory+Category, EmotionRepresentation, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null");

Other than that, I can't think of anything else at the moment. If you would be willing to share your code and the data store, perhaps I could take a closer look to get to the bottom of this (it would be helpful for us too to understand why this doesn't work).

from psi.

Yes, I will send some code and a data store next week.

from psi.