Use default cache configuration

src/main/java/org/springframework/samples/petclinic/system/CacheConfig.java

 package org.springframework.samples.petclinic.system;
 
-import java.util.concurrent.TimeUnit;
-import javax.cache.CacheManager;
-
-import org.ehcache.config.CacheConfiguration;
-import org.ehcache.config.builders.CacheConfigurationBuilder;
-import org.ehcache.config.builders.ResourcePoolsBuilder;
-import org.ehcache.config.units.EntryUnit;
-import org.ehcache.expiry.Duration;
-import org.ehcache.expiry.Expirations;
-import org.ehcache.jsr107.Eh107Configuration;
-
-import org.springframework.boot.autoconfigure.cache.JCacheManagerCustomizer;
 import org.springframework.cache.annotation.EnableCaching;
-import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Profile;
 
@@ -24,18 +11,4 @@ import org.springframework.context.annotation.Profile;
 @EnableCaching
 @Profile("production")
 class CacheConfig {
-
-    @Bean
-    public JCacheManagerCustomizer cacheManagerCustomizer() {
-        return cacheManager -> {
-            CacheConfiguration<Object, Object> config = CacheConfigurationBuilder
-                .newCacheConfigurationBuilder(Object.class, Object.class,
-                    ResourcePoolsBuilder.newResourcePoolsBuilder()
-                        .heap(100, EntryUnit.ENTRIES))
-                .withExpiry(Expirations.timeToLiveExpiration(Duration.of(60, TimeUnit.SECONDS)))
-                .build();
-            cacheManager.createCache("vets", Eh107Configuration.fromEhcacheCacheConfiguration(config));
-        };
-    }
-
 }

src/main/java/org/springframework/samples/petclinic/vet/VetRepository.java

@@ -17,8 +17,7 @@ package org.springframework.samples.petclinic.vet;
 
 import java.util.Collection;
 
-import javax.cache.annotation.CacheResult;
-
+import org.springframework.cache.annotation.Cacheable;
 import org.springframework.dao.DataAccessException;
 import org.springframework.data.repository.Repository;
 import org.springframework.transaction.annotation.Transactional;
@@ -40,7 +39,7 @@ public interface VetRepository extends Repository<Vet, Integer> {
      * @return a <code>Collection</code> of <code>Vet</code>s
      */
     @Transactional(readOnly = true)
-    @CacheResult(cacheName = "vets")
+    @Cacheable("vets")
     Collection<Vet> findAll() throws DataAccessException;