kotlinx-serialization-json/kotlinx.serialization.json/JsonEncodingException

JsonEncodingException

class JsonEncodingException : JsonException(source)

Thrown when Json fails to encode a value to a JSON string.

Typical cases include encountering values that cannot be represented in JSON (e.g., non-finite floating-point numbers when they are not allowed) or using unsupported types as map keys.

The exception message includes shortMessage and, when present, a hint with actionable guidance for the developer.

Properties

cause

expect open val cause: Throwable?

classSerialName

val classSerialName: String?

serial name of the affected class, if known.

hint

open override val hint: String?

optional suggestions for the developer that can help fix or diagnose the problem.

message

open override val message: String

shortMessage

open override val shortMessage: String

short, human-readable description of the encoding error.