I m getting error with Ktor 1 6 1 deserializing this JSON ``

Question

I m getting error with Ktor 1 6 1 deserializing this JSON ```kotlinx serialization json internal JsonDecodingException Unexpected JSON token at offset 66 Unexpected null value instead of string literal JSON input id 1 method kv routeNumberServiceManager0 params null ENGLISH ```

e5l · Answer

< sandwwraith>

Robert Jaros · Answer

It works fine when I deserialize it manually

Robert Jaros · Answer

``` Serializable data class JsonRpcRequest val id Int val method String val params List lt String gt val jsonrpc String = 2 0 constructor this 0 listOf ```

Robert Jaros · Answer

Full stacktrace ```kotlinx serialization json internal JsonDecodingException Unexpected JSON token at offset 66 Unexpected null value instead of string literal JSON input id 1 method kv routeNumberServiceManager0 params null ENGLISH at kotlinx serialization json internal JsonExceptionsKt JsonDecodingException JsonExceptions kt 24 at kotlinx serialization json internal JsonExceptionsKt JsonDecodingException JsonExceptions kt 32 at kotlinx serialization json internal JsonLexer fail JsonLexer kt 493 at kotlinx serialization json internal JsonLexer fail$default JsonLexer kt 492 at kotlinx serialization json internal JsonLexer consumeStringLenientNotNull JsonLexer kt 372 at kotlinx serialization json internal StreamingJsonDecoder decodeString StreamingJsonDecoder kt 234 at kotlinx serialization internal StringSerializer deserialize Primitives kt 142 at kotlinx serialization internal StringSerializer deserialize Primitives kt 138 at kotlinx serialization json internal PolymorphicKt decodeSerializableValuePolymorphic Polymorphic kt 63 at kotlinx serialization json internal StreamingJsonDecoder decodeSerializableValue StreamingJsonDecoder kt 32 at kotlinx serialization internal NullableSerializer deserialize NullableSerializer kt 30 at kotlinx serialization json internal PolymorphicKt decodeSerializableValuePolymorphic Polymorphic kt 63 at kotlinx serialization json internal StreamingJsonDecoder decodeSerializableValue StreamingJsonDecoder kt 32 at kotlinx serialization encoding AbstractDecoder decodeSerializableValue AbstractDecoder kt 43 at kotlinx serialization encoding AbstractDecoder decodeSerializableElement AbstractDecoder kt 70 at kotlinx serialization encoding CompositeDecoder$DefaultImpls decodeSerializableElement$default Decoding kt 535 at kotlinx serialization internal ListLikeSerializer readElement CollectionSerializers kt 80 at kotlinx serialization internal AbstractCollectionSerializer readElement$default CollectionSerializers kt 51 at kotlinx serialization internal AbstractCollectionSerializer merge CollectionSerializers kt 36 at kotlinx serialization internal AbstractCollectionSerializer deserialize CollectionSerializers kt 43 at kotlinx serialization json internal PolymorphicKt decodeSerializableValuePolymorphic Polymorphic kt 63 at kotlinx serialization json internal StreamingJsonDecoder decodeSerializableValue StreamingJsonDecoder kt 32 at kotlinx serialization encoding AbstractDecoder decodeSerializableValue AbstractDecoder kt 43 at kotlinx serialization encoding AbstractDecoder decodeSerializableElement AbstractDecoder kt 70 at io kvision remote JsonRpcRequest$$serializer deserialize JsonRpc kt 26 at io kvision remote JsonRpcRequest$$serializer deserialize JsonRpc kt 26 at kotlinx serialization json internal PolymorphicKt decodeSerializableValuePolymorphic Polymorphic kt 63 at kotlinx serialization json internal StreamingJsonDecoder decodeSerializableValue StreamingJsonDecoder kt 32 at kotlinx serialization json Json decodeFromString Json kt 100 at io ktor serialization SerializationConverter convertForReceive SerializationConverter kt 161 at io ktor features ContentNegotiation$Feature$install$3 invokeSuspend ContentNegotiation kt 224 at io ktor features ContentNegotiation$Feature$install$3 invoke ContentNegotiation kt at io ktor features ContentNegotiation$Feature$install$3 invoke ContentNegotiation kt at io ktor util pipeline SuspendFunctionGun loop SuspendFunctionGun kt 248 at io ktor util pipeline SuspendFunctionGun proceed SuspendFunctionGun kt 116 at io ktor util pipeline SuspendFunctionGun execute SuspendFunctionGun kt 136 at io ktor util pipeline Pipeline execute Pipeline kt 79 at io ktor request ApplicationReceiveFunctionsKt receive ApplicationReceiveFunctions kt 116 ```

Robert Jaros · Answer

Kotlin 1 5 21 Ktor 1 6 1 serialization 1 2 2

Robert Jaros · Answer

It is working fine with previous versions Kotlin 1 5 10 Ktor 1 6 0 serialization 1 2 1

Robert Jaros · Answer

It seems serialization issue <https github com Kotlin kotlinx serialization issues 1600>