Getting error code 504 Gateway Timeout when opening more than 6 parallel NSURLConnection.sendSynchronousRequest using dispatch_group_async and different dispatch queue and dispatch group.Getting error code 504 Gateway Timeout when ope
阅读背景：
打开6个以上并行线程NSURLConnection.sendSynchronousRequest时获取错误代码504网关超时
来源：互联网
分享到：
