Question 67684 in IOS Swift Question posted in
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Alamofire post request getting **Invalid value around line 1, column 0.** – Ios swift

I am trying to hit alamofire post request but, Getting Request failed with error responseSerializationFailed ( reason: Alamofire.AFError.ResponseSerializationFailureReason.jsonSerializationFailed ( error: Error Domain=NSCocoaErrorDomain Code=3840 "Invalid value around line 1, column 0." UserInfo={NSDebugDescription=Invalid value around line 1, column 0., NSJSONSerializationErrorIndex=0})). Please help me to figure out the issue. Thanks.

below is my Api handler method

func apiPostRequest1(parameters:[String:String], url:String,  completionHandler: @escaping (Any?) -> Swift.Void) {
    

    var headers = HTTPHeaders(parameters)
    headers.add(name: "Content-Type", value: "application/x-www-form-urlencoded; charset=UTF-8")
    
    session.request(url,
               method: .post,
               parameters: parameters,
               encoding: URLEncoding.httpBody,
               headers: headers).validate(statusCode: 200..<600).responseJSON{ response in
        switch response.result {
        case .success(let JSON):
            completionHandler(JSON)
        case .failure(let error):
            print("Request failed with error (error)")
            completionHandler(response.response?.statusCode)
        }
    }
}
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2

Answers


  1. Chosen as BEST ANSWER
    0

    Below code is working when i removed headers from request.

    func apiPostRequest1(parameters:[String:String], url:String,  completionHandler: @escaping (Any?) -> Swift.Void) {
    
    session.request(url,
               method: .post,
               parameters: parameters,
               encoding: URLEncoding.httpBody).validate(statusCode: 200..<600).responseJSON{ response in
        switch response.result {
        case .success(let JSON):
            completionHandler(JSON)
        case .failure(let error):
            let responseData = String(data: response.data!, encoding: String.Encoding.utf8)
            print(responseData ?? "Error in encoding response data")
            print("Request failed with error (error)")
            completionHandler(response.response?.statusCode)
        }
    }
}

  2. 0

    In my case, it was an issue with passing the password parameter.
    I was passing the encoded password
    requestDict["password"] = (parameters?["password"] as? String)?.encodeToBase64()
    I checked with the backend team and I avoided that and passed the same text password
    requestDict["password"] = (parameters?["password"]
    make sure you are passing the correct parameters and correct URL as per API requirements.

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