[Solved] Why might you use @CacheEvict(allEntries = true, beforeInvocation = true) together? — Ans: To clear all cache entries before method runs, ensuring fresh data even if... | Spring Boot

Spring Boot - Caching

Why might you use @CacheEvict(allEntries = true, beforeInvocation = true) together?

ATo clear all cache entries before method runs, ensuring fresh data even if method fails

BTo clear cache entries only if method completes successfully

CTo evict only one cache entry before method runs

DTo disable caching for the method

Step-by-Step Solution

Solution:

Step 1: Understand allEntries and beforeInvocation
allEntries=true clears all cache entries; beforeInvocation=true evicts before method execution.
Step 2: Reason about failure scenarios
Evicting before method runs ensures cache is cleared even if method throws an exception.
Final Answer:
To clear all cache entries before method runs, ensuring fresh data even if method fails -> Option A
Quick Check:
Evict all before method to avoid stale cache on failure [OK]

Quick Trick: Use beforeInvocation to evict cache before method runs [OK]

Common Mistakes:

Master "Caching" in Spring Boot

9 interactive learning modes - each teaches the same concept differently

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Why might you use @CacheEvict(allEntries = true, beforeInvocation = true) together?