应用程序启动时缓存查找不起作用

Question

我在tomcat 9.0.2上使用Spring Boot 1.5.9 并尝试使用spring @Cacheable调度在应用程序启动时运行的缓存刷新作业来缓存查找,并且每24小时重复一次,如下所示:

@Component
public class RefreshCacheJob {

    private static final Logger logger = LoggerFactory.getLogger(RefreshCacheJob.class);

    @Autowired
    private CacheService cacheService;

    @Scheduled(fixedRate = 3600000 * 24, initialDelay = 0)
    public void refreshCache() {
        try {
            cacheService.refreshAllCaches();
        } catch (Exception e) {
            logger.error("Exception in RefreshCacheJob", e);
        }
    }

}

缓存服务如下:

@Service
public class CacheService {

    private static final Logger logger = LoggerFactory.getLogger(CacheService.class);

    @Autowired
    private CouponTypeRepository couponTypeRepository;

    @CacheEvict(cacheNames = Constants.CACHE_NAME_COUPONS_TYPES, allEntries = true)
    public void clearCouponsTypesCache() {}

    public void refreshAllCaches() {
        clearCouponsTypesCache();
        List<CouponType> couponTypeList = couponTypeRepository.getCoupons();
        logger.info("######### couponTypeList: " + couponTypeList.size());
    }
}

存储库代码:

public interface CouponTypeRepository extends JpaRepository<CouponType, BigInteger> {
    @Query("from CouponType where active=true and expiryDate > CURRENT_DATE order by priority")
    @Cacheable(cacheNames = Constants.CACHE_NAME_COUPONS_TYPES)
    List<CouponType> getCoupons();
}

稍后在我的web服务中,尝试按如下方式进行查找:

@GET
@Produces(MediaType.APPLICATION_JSON + ";charset=utf-8")
@Path("/getCoupons")
@ApiOperation(value = "")
public ServiceResponse getCoupons(@HeaderParam("token") String token, @HeaderParam("lang") String lang) throws Exception {
    try {
        List<CouponType> couponsList = couponRepository.getCoupons();
        logger.info("###### couponsList: " + couponsList.size());
        return new ServiceResponse(ErrorCodeEnum.SUCCESS_CODE, resultList, errorCodeRepository, lang);
    } catch (Exception e) {
        logger.error("Exception in getCoupons webservice: ", e);
        return new ServiceResponse(ErrorCodeEnum.SYSTEM_ERROR_CODE, errorCodeRepository, lang);
    }
}

第一次调用它从数据库获取查找以及后续调用从缓存中获取它,而它应该在Web服务的第一次调用中从缓存中获取它？

请告诉我为什么我有这种行为以及如何解决它.

Answer 1

升级到Tomcat 9.0.4后问题已修复