Resilience · Difficulty 1 of 5 · 10 min
Failed deliveries leave no trace
An event rule forwards order events to a queue and reports success, but failed deliveries disappear without a trace, even for malformed payloads. A second queue whose name suggests it collects failures also exists. Make sure failed events are kept for investigation.
Where the symptom shows: EventBridge
Take this challenge on a live account
A live AWS account, already broken, and a clock. You fix it with the provider's own console and command line, then read a report of how you worked. We host the cloud account. Nothing lands on your bill.
More challenges
- ResilienceThe same order is processed twiceLambda · 5 min · level 1
- ResiliencePoison records vanish after retriesKinesis · 15 min · level 2
- ResilienceFailed background requests vanishLambda · 15 min · level 2
- ResilienceBad messages with nowhere to goSQS · 25 min · level 3
- ResiliencePrivate workloads reach nothing they depend onEC2 · 90 min · level 5
- SecurityOpen to the whole internetS3 · 5 min · level 1