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Mulesoft redesigned the whole error handling mechanism and components in Mule 4 (some key difference here). In Mule 3, there was a simple way to reuse a flow across

Introduction After gaining huge popularity with mule 3, Mulesoft decided to release mule 4 with a drastic change. They re-implemented the engine, re-structured the Mule message, wiped out mule expression language,