KITFORMA · EDITORIAL ANSWER
Why can emitting error on an EventEmitter crash the process?
KitForma editorial guide. The error event has special behavior when no listener handles it. It is not just another informational event.
Step-by-step answer
The error event has special behavior when no listener handles it. It is not just another informational event.
Attach an appropriate error listener at the component ownership boundary, then propagate the failure to the request or job that can decide what to do. Test errors before, during and after normal completion. Do not add an empty listener merely to suppress crashes while leaving failed work marked successful. Also review listener lifecycle so repeated requests do not accumulate handlers. A handled event still requires resource cleanup and a truthful result for the caller.
Sources and verification
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