Global GuidSerializer settings ignored for object-typed properties

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    • Type: Bug
    • Resolution: Unresolved
    • Priority: Major - P3
    • None
    • Affects Version/s: None
    • Component/s: None
    • None
    • None
    • Dotnet Drivers
    • Not Needed
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      Summary

      The MongoDB .NET driver ignores globally registered GUID serialization settings when serializing properties of type object.

      This leads to an exception during serialization:

      MongoDB.Bson.BsonSerializationException : An error occurred while serializing the Value property of class MongoCases.MongoCases_Linq3_Guid+ParameterDbo: GuidSerializer cannot serialize a Guid when GuidRepresentation is Unspecified.
  ----> MongoDB.Bson.BsonSerializationException : GuidSerializer cannot serialize a Guid when GuidRepresentation is Unspecified.
   at MongoDB.Bson.Serialization.BsonClassMapSerializer`1.SerializeMember(BsonSerializationContext context, Object obj, BsonMemberMap memberMap)
   at MongoDB.Bson.Serialization.BsonClassMapSerializer`1.SerializeClass(BsonSerializationContext context, BsonSerializationArgs args, TClass document)
   at MongoDB.Bson.Serialization.BsonClassMapSerializer`1.Serialize(BsonSerializationContext context, BsonSerializationArgs args, TClass value)
   at MongoDB.Bson.Serialization.Serializers.SerializerBase`1.MongoDB.Bson.Serialization.IBsonSerializer.Serialize(BsonSerializationContext context, BsonSerializationArgs args, Object value)
   at MongoDB.Bson.BsonExtensionMethods.ToBsonDocument(Object obj, Type nominalType, IBsonSerializer serializer, Action`1 configurator, BsonSerializationArgs args)
   at MongoDB.Bson.BsonExtensionMethods.ToBsonDocument[TNominalType](TNominalType obj, IBsonSerializer`1 serializer, Action`1 configurator, BsonSerializationArgs args)

          

      <PackageReference Include="MongoDB.Bson" Version="3.5.2" />
<PackageReference Include="MongoDB.Driver" Version="3.5.2" />

      How to Reproduce

       

      using MongoDB.Bson;
using MongoDB.Bson.Serialization;
using MongoDB.Bson.Serialization.Attributes;
using MongoDB.Bson.Serialization.Serializers;

namespace MongoCases;

[TestFixture]
public class MongoCases_Linq3_Guid
{
    [Test]
    public async Task Test()
    {
        BsonSerializer.TryRegisterSerializer(new GuidSerializer(GuidRepresentation.CSharpLegacy));

        var parameterDbo = new ParameterDbo
        {
            Type = "UserId",
            Value = Guid.NewGuid()
        };

        var bson = parameterDbo.ToBsonDocument();

        // MongoDB.Bson.BsonSerializationException : An error occurred while serializing the Value property of class
        // MongoCases.MongoCases_Linq3_Guid+ParameterDbo: GuidSerializer cannot serialize a Guid when GuidRepresentation is Unspecified.

        Assert.That(bson, Is.Not.Null);
    }

    class ParameterDbo
    {
        [BsonId]
        public ObjectId Id { get; set; }

        [BsonElement("type")]
        public string Type { get; set; }

        [BsonElement("value")]
        public object Value { get; set; }
    }
}

       

       

            Assignee:
            Ferdinando Papale
            Reporter:
            flibustier seas
            None
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              Created:
              Updated: