m13-domain-error

Designing robust domain error handling involves creating a structured error hierarchy that categorizes errors by audience and specifies recovery strategies. This approach improves system reliability and debuggability across service boundaries by defining clear propagation patterns.

Categorizing transient versus permanent domain errors requires classifying them by audience, such as user-facing, internal, or system. This categorization drives appropriate user messages and debugging contexts while dictating whether retry, backoff, or fallback strategies apply.

Implementing retry and backoff policies with circuit breakers defines clear recovery and degradation strategies for your services. This establishes resilience boundaries by specifying when to retry failed operations, apply backoff delays, or trip circuit breakers to prevent cascading failures.

You need structured error categorization across service boundaries when systems require consistent error context, clear recovery strategies, and traceability for post-mortem analysis. This structured propagation ensures errors remain observable and debuggable as they cross different services.

Specifying user-facing versus internal errors in a typed error hierarchy involves defining error types with contextual information that drives appropriate user messages. This typed hierarchy separates external communication from internal debugging details while maintaining clear categorization rules.

Applying circuit breaker patterns to permanent domain errors is limited because circuit breakers are designed for transient failures requiring retry and backoff. Permanent errors should bypass circuit breakers and instead trigger immediate fallbacks or explicit user-facing error messages without retry attempts.