Error Handling

4 items tagged with "error-handling"

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Best Practices1

Problem Details for HTTP APIs (RFC 9457)

An IETF standard JSON format for machine-readable HTTP error responses, defining fields like type, title, status, detail, and instance for consistent error handling.

Patterns1

Pattern

Dead-Letter Queue

Routes messages that cannot be processed after repeated attempts to a separate queue for inspection and recovery, keeping the main pipeline flowing.

Anti-Patterns2

Anti-Pattern

Exception Swallowing

Catching exceptions and then ignoring them, hiding failures so that errors pass silently and bugs become nearly impossible to diagnose.

Anti-Pattern

Verbose Error Leakage

Returning stack traces, SQL errors, internal paths, or version details to clients, handing attackers a map of the system to exploit.