Software⏱️ 2 min read📅 2026-05-31

How to Fix: NSURLSession/NSURLConnection HTTP load failed on iOS 9

iOS 9 NSURLSession/NSURLConnection HTTP load failed error due to cancelled task. Solution involves checking for invalid states and handling errors properly.

Quick Answer: Check if the task is in an invalid state before resuming it, and handle any errors that occur during the data task. Ensure proper completion of the task by checking for nil values in the response object.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. ✅ Best Solutions to Fix It
  3. ✨ Wrapping Up

The error 'NSURLSession/NSURLConnection HTTP load failed' on iOS 9 is typically caused by a combination of factors, including a network issue or an incorrect configuration. The error message "cancelled" and the logs indicating a failure in the stream are strong indicators that something went wrong during the data transfer process.

🛑 Root Causes of the Error

  • Network issues or a poor internet connection.

✅ Best Solutions to Fix It

Method 1: Check Network Connection

  1. Step 1: Ensure a stable and strong internet connection.

Method 2: Verify AFURLSessionManager Configuration

  1. Step 1: Check that the session manager is configured correctly, including the URL scheme and data task settings.

✨ Wrapping Up

By following these steps, you should be able to resolve the issue and successfully transfer data using AFURLSessionManager on iOS 9.

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