Developer Documents Three Silent-Failure Bugs Found While Building a Webhook Reliability Layer

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A developer building HookSafe, a webhook delivery reliability layer sitting between payment platforms and client servers, encountered three bugs during development and documented them on DEV Community. All three bugs shared a critical trait: each caused a failure to appear as a success, making them especially dangerous in a system whose core promise is reliable delivery. The first bug involved returning nil instead of an error in Go, causing a failed HTTP delivery to be recorded as successful in the database. The second bug stemmed from a missing continue statement after a failed database update, allowing a misleading success log to print regardless of whether the operation succeeded. The third bug arose from passing a bare integer literal where a time.Duration was expected, causing a worker configured for a 5-second interval to instead poll every 5 nanoseconds.

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