[Solved] Identify the error in this cache configuration snippet:@Cacheable(cacheName = "products") public Product getProduct(int id) { return productRepo.findById(id); } | Spring Boot

Spring Boot - Caching

Identify the error in this cache configuration snippet:

@Cacheable(cacheName = "products")
public Product getProduct(int id) {
  return productRepo.findById(id);
}

AMethod must return void to use caching

BThe attribute should be 'value' not 'cacheName'

CCacheable annotation requires a key attribute

DThe method parameter must be a String

Step-by-Step Solution

Solution:

Step 1: Check @Cacheable attribute names
The correct attribute to specify cache names is value, not cacheName.
Step 2: Validate other options
Method can return any type; key is optional; parameter type can vary.
Final Answer:
The attribute should be 'value' not 'cacheName' -> Option B
Quick Check:
@Cacheable uses 'value' for cache names [OK]

Quick Trick: Use 'value' attribute in @Cacheable, not 'cacheName' [OK]

Common Mistakes:

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