Exception in thread "main" java.lang.NullPointerException: Cannot invoke "org.bson.BsonBinaryWriter$Context.getContextType()" because the return value of "org.bson.BsonBinaryWriter.getContext()" is null
	at org.bson.BsonBinaryWriter.writeCurrentName(BsonBinaryWriter.java:403)
	at org.bson.BsonBinaryWriter.doWriteBinaryData(BsonBinaryWriter.java:160)
	at org.bson.AbstractBsonWriter.writeBinaryData(AbstractBsonWriter.java:368)
	at com.mongodb.internal.connection.BsonWriterDecorator.writeBinaryData(BsonWriterDecorator.java:81)
	at com.mongodb.internal.connection.IdHoldingBsonWriter.writeBinaryData(IdHoldingBsonWriter.java:155)

@JvmInline
value class Image(@Contextual val binary: BsonBinary)

class ImageCodec : Codec<Image> {
    override fun encode(writer: BsonWriter, value: Image, encoderContext: EncoderContext) {
        writer.writeBinaryData(value.binary)
    }

    override fun decode(reader: BsonReader, decoderContext: DecoderContext): Image {
        return Image(reader.readBinaryData())
    }

    override fun getEncoderClass(): Class<Image> = Image::class.java
}

fun main() {

    val codecRegistry = CodecRegistries.fromRegistries(
        CodecRegistries.fromCodecs(ImageCodec()),
        MongoClientSettings.getDefaultCodecRegistry()
    )

    val mongoClient = MongoClient.create("mongodb://localhost/")

    val db = mongoClient.getDatabase("test")
        .withCodecRegistry(codecRegistry)

    val img = Image(BsonBinary("asdfasdf".toByteArray()))

    val collection = db.getCollection<Image>("test")
    collection.drop()

    println(collection.insertOne(img))
    println(collection.find().toCollection(mutableListOf()))

    mongoClient.close()
}