GTMHTTPFetcher Gmail 联系人照片 Returns 状态 503（有时）

Question

我正在使用 gdata 获取应用程序用户的 gmail 联系人照片，正是以下代码。但有时获取工作，有时却没有，并给我以下错误：（我怀疑向 google 服务器提供了太多令牌？虽然我还不太熟悉这个概念。但我确实需要获取所有用户的联系人照片，有没有办法处理它？？）

提前谢谢你，

imageFetcher:GTMHTTPFetcher 0x145ea3300 (https://www.google.com/m8/feeds/photos/media/XXXXX%40gmail.com/XXXXX) failedWithError:Error 域=com.google.HTTPStatus 代码=503 "The operation couldn’t be completed. (com.google.HTTPStatus error 503.)"

if ([[[contact photoLink] ETag] length] ) {
                // imageData = [NSData dataWithContentsOfURL:photoURL];
                // requestForURL:ETag:httpMethod: sets the user agent header of the
                // request and, when using ClientLogin, adds the authorization header
                // get an NSURLRequest object with an auth token

                self.flyingtoken ++;
                NSURL *imageURL = [[contact photoLink] URL];
                GDataServiceGoogleContact *service = [self contactService];

                // requestForURL:ETag:httpMethod: sets the user agent header of the
                // request and, when using ClientLogin, adds the authorization header
                NSMutableURLRequest *request = [service requestForURL:imageURL
                                                                 ETag:nil
                                                           httpMethod:nil];

                [request setValue:@"image/*" forHTTPHeaderField:@"Accept"];

                GTMHTTPFetcher *fetcher = [GTMHTTPFetcher fetcherWithRequest:request];
                [fetcher setAuthorizer:[service authorizer]];
                [fetcher beginFetchWithDelegate:self
                              didFinishSelector:@selector(imageFetcher:finishedWithData:error:)];

            }

Answer 1

以下是 SGC 的回答： google 服务器通常会返回 503 错误，表明您的配额已超出。尝试实施指数回退 developers.google.com/api-client-library/java/...

Answer 2

503 错误通常由 google 服务器返回，表明您的配额已超出。尝试实施指数回退 developers.google.com/api-client-library/java/...

GTMHTTPFetcher Gmail 联系人照片 Returns 状态 503（有时）

GTMHTTPFetcher Gmail Contact Photo Returns status 503 (sometimes)

objective-c

gdata

ios

gmail-api