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Helpdesk API Error Handling

Audience​

Developers, QA, support and security.

Summary​

Errors are produced through service exception middleware, explicit handler results, route/binding framework behavior and Document Service exception translation.

Reference Content​

Missing tenant and domain-validation exceptions become client errors with a message property. Handlers explicitly return not-found for missing tickets/references/attachments and bad-request for selected SLA/file/compatibility validation. Document unavailability becomes a dependency-unavailable problem response.

Persistence conflicts, unexpected exceptions and request-binding failures have no Helpdesk-specific mapping in reviewed source. Error bodies are not uniform; compatibility not-found can be empty.

Requires confirmation​

Global exception handling, persistence conflict mapping, safe production messages, correlation/error codes and binding-error contracts require confirmation.

Source References​

  • microservices/src/helpdesk-service/Program.cs
  • microservices/src/helpdesk-service/Api/HelpdeskEndpoints.cs
  • microservices/src/helpdesk-service/Infrastructure/DocumentServiceClient.cs

See Also​

Keywords​

API errors, validation error, not found, dependency unavailable.

Revision Information​

  • Status: Draft
  • Last reviewed: 2026-07-20
  • Next review: 2026-10-20