An error often encountered with the CachingRequestConfig.update parameter = true together with
GenericCacheConfig.mode = "cacheControl" or "race". In this case the FetchClientCaching.fetchJson methods return an additional
update promise, which fails with this error if the updated response equals the cached one.
An error often encountered with the CachingRequestConfig.update parameter = true together with GenericCacheConfig.mode = "cacheControl" or "race". In this case the FetchClientCaching.fetchJson methods return an additional update promise, which fails with this error if the updated response equals the cached one.