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Json – Fastify – TypeError: Cannot read property 'length' of undefined

When i created a new API with fastify, while testing it, it was throwing TypeError: Cannot read property 'length' of undefined at next (node_modules/fastify/lib/route.js:407:32) at preParsingHookRunner (node_modules/fastify/lib/route.js:438:3) at runPreParsing (node_modules/fastify/lib/route.js:389:5) at Object.routeHandler [as handler] (node_modules/fastify/lib/route.js:349:7) at Router.lookup (node_modules/find-my-way/index.js:356:14) The control…

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JsonSerializer.Deserialize always returns Null

Trying to deserialize the following json string: string json = "{"d":{"__metadata":{"id":"http://my.dev.int:8000/sap/opu/odata/sap/ZFIORI_SERIAL_NUMBERS_SRV/MATERIALSet('250')","uri":"http://my.dev.int:8000/sap/opu/odata/sap/ZFIORI_SERIAL_NUMBERS_SRV/MATERIALSet('250')","type":"ZFIORI_SERIAL_NUMBERS_SRV.MATERIAL"},"MATNR":"250","MAKTX":"X:K10/MF250"}}"; into Class Object namespace Scanner.Model { public class Material { public string MATNR { get; set; } public string MAKTX { get; set; } } } I have tried…

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Using a Custom Enum Json Converter

I am looking to create a custom JSON converter on my C# application. When I instantiate a new class I am unable to leave it generic. Class: using System.Text.Json; using System.Text.Json.Serialization; public class Converter<T> : JsonConverter<T> where T : Enum…

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Create JSON object literal only if value is not null

I wrote a script which updates some fields in a database via an API. fields = [{ "fieldId": "101", "fieldValues": [{"value": df["A"].item()}]}, { "fieldId": "102", "fieldValues": [{"value": df["B"].item()}]}, { "fieldId": "103", "fieldValues": [{"value": df["C"].item()}]}, { "fieldId": "104", "fieldValues": [{"value": df["D"].item()}]},…

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