Microservices Architecture: Challenges with Managing and Deploying
Types of Errors




Content-type change
The content-type header gets changed in the new version, causing the upstream app to crash.
Status Code change
A fatal crash in the app due to a status code change can cause the client app to go offline.
Data type change
The contract schema remains the same, but the data or data type gets modified, causing unexpected app crashes.
Key removed
A fatal contract failure occurred in the app due to the removal of a key, causing the client app to fall back to default logic.




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