I am using <https://github.com/JetBrains/Exposed>
# ktor
That object is not serializable. What content negotiation are you using?
I tried using ktor+exposed for a side project with kotlinx.serialization and had:
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data class ChecklistResponse(
    val id: UUID, // requires custom serializer
    val name: String

class Checklist(id: EntityID<UUID>) : UUIDEntity(id) {
    companion object: UUIDEntityClass<Checklist>(Checklists)
    var name by Checklists.name
    val items by ChecklistItem referrersOn ChecklistItems.checklist

suspend fun getChecklists(): List<ChecklistRes> {
    return db.transaction { Checklist.all().map {
        ChecklistResponse(it.id.value, it.name) }
i can then
There are probably nicer solutions but it works well enough and by having the response class separately I can provide a consistent API when I need to make changes to my DAO.
@Eric Grimsborn Sorry for the late response. As content negotiation I use
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install(ContentNegotiation) {
        gson {
Aha....I have to manually serialize it
Thanks a lot for your help
Ey @zero_coding, I’ve published a basic example of how to do all of these basic tasks. Have a look here: https://github.com/mathias21/KtorEasy
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