We have created the following class, which will provide the UserCache bean that will provide it to AuthenticationProvider:

@Configuration
@EnableCaching
public class SpringMvcCacheConfig {

  @Bean
  public EhCacheFactoryBean ehCacheFactoryBean() {
    EhCacheFactoryBean ehCacheFactory = new EhCacheFactoryBean();
    ehCacheFactory.setCacheManager(cacheManagerFactoryBean()
    .getObject());
    return ehCacheFactory;
  }

  @Bean
  public CacheManager cacheManager() {
    return new         
    EhCacheCacheManager(cacheManagerFactoryBean().getObject());
  }

  @Bean
  public EhCacheManagerFactoryBean cacheManagerFactoryBean() {
    EhCacheManagerFactoryBean cacheManager = new 
    EhCacheManagerFactoryBean();
    return cacheManager;
  }

  @Bean
  public UserCache userCache() {
    EhCacheBasedUserCache userCache = new EhCacheBasedUserCache();
    userCache.setCache(ehCacheFactoryBean().getObject());
    return userCache;
  }
}

In the preceding class, @EnableCaching enables cache management.