Details
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Bug
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Resolution: Done
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Major - P3
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None
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2.0.1
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None
Description
Given the following classes:
public class C
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{
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public int Id;
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public X X;
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}
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public class X
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{
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public int A;
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}
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And the following sample data in a collection:
> db.test.find()
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{ "_id" : 1, "X" : { "A" : 2 } }
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>
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The following code compiles correctly but throws an exception at runtime:
var collection = __database.GetCollection<C>("test");
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var result = await collection.Aggregate()
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.Project(c => c.X)
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.ToListAsync();
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The stack trace is:
Unhandled exception:
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System.FormatException: Element 'X' does not match any field or property of class ConsoleApplication.X.
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at MongoDB.Bson.Serialization.BsonClassMapSerializer`1.DeserializeClass(BsonDeserializationContext context) in c:\work\rstam\mongo-csharp-driver\src\MongoDB.Bson\Serialization\Serializers\BsonClassMapSerializer.cs:line 209
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at MongoDB.Bson.Serialization.BsonClassMapSerializer`1.Deserialize(BsonDeserializationContext context, BsonDeserializationArgs args) in c:\work\rstam\mongo-csharp-driver\src\MongoDB.Bson\Serialization\Serializers\BsonClassMapSerializer.cs:line 96
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at MongoDB.Bson.Serialization.IBsonSerializerExtensions.Deserialize[TValue](IBsonSerializer`1 serializer, BsonDeserializationContext context) in c:\work\rstam\mongo-csharp-driver\src\MongoDB.Bson\Serialization\IBsonSerializerExtensions.cs:line 48
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at MongoDB.Bson.Serialization.Serializers.EnumerableSerializerBase`2.Deserialize(BsonDeserializationContext context, BsonDeserializationArgs args) in c:\work\rstam\mongo-csharp-driver\src\MongoDB.Bson\Serialization\Serializers\EnumerableSerializerBase.cs:line 286
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at MongoDB.Bson.Serialization.IBsonSerializerExtensions.Deserialize[TValue](IBsonSerializer`1 serializer, BsonDeserializationContext context) in c:\work\rstam\mongo-csharp-driver\src\MongoDB.Bson\Serialization\IBsonSerializerExtensions.cs:line 48
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at MongoDB.Driver.Core.Operations.AggregateOperation`1.CursorDeserializer.Deserialize(BsonDeserializationContext context, BsonDeserializationArgs args) in c:\work\rstam\mongo-csharp-driver\src\MongoDB.Driver.Core\Core\Operations\AggregateOperation.cs:line 327
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at MongoDB.Bson.Serialization.IBsonSerializerExtensions.Deserialize[TValue](IBsonSerializer`1 serializer, BsonDeserializationContext context) in c:\work\rstam\mongo-csharp-driver\src\MongoDB.Bson\Serialization\IBsonSerializerExtensions.cs:line 48
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at MongoDB.Driver.Core.Operations.AggregateOperation`1.AggregateResultDeserializer.Deserialize(BsonDeserializationContext context, BsonDeserializationArgs args) in c:\work\rstam\mongo-csharp-driver\src\MongoDB.Driver.Core\Core\Operations\AggregateOperation.cs:line 285
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at MongoDB.Bson.Serialization.IBsonSerializerExtensions.Deserialize[TValue](IBsonSerializer`1 serializer, BsonDeserializationContext context) in c:\work\rstam\mongo-csharp-driver\src\MongoDB.Bson\Serialization\IBsonSerializerExtensions.cs:line 48
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at MongoDB.Driver.Core.WireProtocol.CommandWireProtocol`1.ProcessReply(ConnectionId connectionId, ReplyMessage`1 reply) in c:\work\rstam\mongo-csharp-driver\src\MongoDB.Driver.Core\Core\WireProtocol\CommandWireProtocol.cs:line 164
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... and a bunch more less useful stuff
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