juniorReactive Programming
How is error handled in Observables?
Updated May 6, 2026
Short answer
Errors are handled using error callbacks or operators.
Deep explanation
Observables terminate on error unless handled with retry or catchError.
Real-world example
API failure handling in UI.
Common mistakes
- Not handling errors leading to stream termination.
Follow-up questions
- What is catchError?
- Do errors complete streams?