Lucid Outsourcing Solutions

  Introduction The mobile app posts JSON to the ColdFusion REST endpoint. The endpoint returns “500 Internal Server Error” with no body, no useful header information, and no error message that helps diagnose the problem. The frontend developer asks the backend developer for help. The backend developer checks the ColdFusion error log — nothing recent. The exception log — empty. The Application.cfc onError handler — never fired. The endpoint works in Postman with the right request body. It fails with a 500 when the mobile app sends what looks like an identical request. The cause is invisible from every diagnostic angle except one — and that one is buried in a stack trace nobody thought to check. Read More