Fix

papafe · papafe · commit 2657680a1f23 · 2025-07-14T14:50:06.000+02:00
diff --git a/src/MongoDB.Driver/Core/WireProtocol/Messages/Encoders/JsonEncoders/MessageJsonEncoderBase.cs b/src/MongoDB.Driver/Core/WireProtocol/Messages/Encoders/JsonEncoders/MessageJsonEncoderBase.cs
@@ -38,7 +38,7 @@ protected MessageJsonEncoderBase(TextReader textReader, TextWriter textWriter, M
             _encoderSettings = encoderSettings;
         }
 
-        protected IBsonSerializationDomain SerializationDomain => _encoderSettings?.GetOrDefault<IBsonSerializationDomain>(MessageEncoderSettingsName.SerializationDomain, null);
+        protected IBsonSerializationDomain SerializationDomain => _encoderSettings?.GetOrDefault<IBsonSerializationDomain>(MessageEncoderSettingsName.SerializationDomain, null) ?? BsonSerializer.DefaultSerializationDomain;
 
         // methods
         public JsonReader CreateJsonReader()

Original file line number	Diff line number	Diff line change
`@@ -38,7 +38,7 @@ protected MessageJsonEncoderBase(TextReader textReader, TextWriter textWriter, M`
`38`	`38`	`_encoderSettings = encoderSettings;`
`39`	`39`	`}`
`40`	`40`
`41`		`- protected IBsonSerializationDomain SerializationDomain => _encoderSettings?.GetOrDefault<IBsonSerializationDomain>(MessageEncoderSettingsName.SerializationDomain, null);`
	`41`	`+ protected IBsonSerializationDomain SerializationDomain => _encoderSettings?.GetOrDefault<IBsonSerializationDomain>(MessageEncoderSettingsName.SerializationDomain, null) ?? BsonSerializer.DefaultSerializationDomain;`
`42`	`42`
`43`	`43`	`// methods`
`44`	`44`	`public JsonReader CreateJsonReader()`