Скачать или смотреть AWS Step Functions: Handling errors

In this session, viewers learn how to use AWS Step Functions workflows to handle errors in their serverless applications. The advantages of lifting error-handling logic out of individual AWS Lambda functions and into workflows are addressed. The Amazon States Language (ASL) Fail State is introduced along with the eight default ASL errors. Retriers are discussed as a mechanism for handling downstream failures, including backoff rates and complex retries. Catchers, or fallback states, are used for error recovery. Error output is framed in the context of the JSONPath object. Examples are built that demonstrate built-in errors and custom retriers and catchers.

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