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Error Handling in InterfacesStoreOrders, DataMiddleware: Error HandlingRetry, Queue, Circuit Breaker, LoggingERP / DATEVTarget SystemError Handling Pipeline1. ValidationCheck required fieldsValidate data typesCheck references2. Retry LogicExponential BackoffMax 5 attempts1s, 4s, 16s, 64s, 256s3. Circuit BreakerSystem protectionClosed / Open / Half-OpenAuto recovery4. Dead Letter QueueNot processableSafely storedManual clarificationMonitoring and AlertingTrack error rateMonitor queue depthMeasure latencyConfigure alertsIdempotencyEvery message can be processed multiple timeswithout undesired side effectsCorrelation IDsEnd-to-end traceabilityfrom store to ERP across all stations
Shop integration & processes May 4, 2026

Error Handling in Interfaces: Retry, DLQ and Monitoring

Error handling in store interfaces: retry logic with exponential backoff, dead letter queues, circuit breaker and proactive monitoring.

11 min read