Rest API - Advanced Patterns
A client polls the status URL of a long-running operation but receives a 404 Not Found error. What is the most likely cause?
A client polls the status URL of a long-running operation but receives a 404 Not Found error. What is the most likely cause?
medium📝 Debug Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Understand 404 meaning in polling context
404 means the requested resource (operation status) does not exist.Step 2: Identify why status URL might be missing
This usually happens if the operation ID is wrong or the status expired and was removed.Final Answer:
The operation ID is invalid or expired -> Option AQuick Check:
404 on status URL = invalid or expired ID [OK]
Quick Trick: 404 means status URL invalid or expired [OK]
Common Mistakes:
MISTAKES- Assuming 404 means still processing
- Confusing HTTP method errors with 404
- Thinking 404 means success
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