A developer notices that some Saga transactions are not fully compensated after failures. Which common mistake could cause this behavior?

medium📝 Debug Q7 of 15

Kafka - Event-Driven Architecture

ANot publishing compensating events for all completed steps

BUsing Kafka topics with replication factor greater than 1

CImplementing compensations as idempotent operations

DUsing unique message keys for each event

Step-by-Step Solution

Solution:

Step 1: Identify incomplete compensation
If some transactions are not fully rolled back, compensating events might be missing.
Step 2: Common cause
Failing to publish compensating events for all previously successful steps causes incomplete rollback.
Final Answer:
Not publishing compensating events for all completed steps -> Option A
Quick Check:
Missing compensations cause incomplete rollback [OK]

Quick Trick: All completed steps must have compensations published [OK]

Common Mistakes:

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