request failed with status code 522 状态码522的含义: HTTP状态码522是一个非标准的HTTP状态码,通常用于表示连接超时或网络错误。这个状态码通常不是由服务器本身直接返回的,而是由某些CDN(内容分发网络)或代理服务器在无法连接到原始服务器时返回的。具体来说,它表明CDN无法与源服务器建立连接,可能是由于网络问题...
打开网页时出现504错误是什么 HTTP状态码(HTTP Status Code) 一些常见的状态码为:200 - 服务器成功返回网页 404 - 请求 找52213-0211上硬之城,高效找料! 52213-0211硬之城_采购+工程师专属找料平台,型号全+正品+低价+现货,30万+用户都在用,点击找料52213-0211广告 为什么网页打开总是提示错误522 4、然后在任务...
HTTP状态码(HTTP Status Code) 一些常见的状态码为:200 - 服务器成功返回网页 404 - 请求 为什么网页打开总是提示错误522 4、然后在任务管理器中找到应用程序选项,把一些不必要的程序结束进程,然后在重启浏览器打开网址即可成功解决网页打开时出现522错误... 2023年全国地区自考报名的流程 高考生勿点-2023年北京自...
Like many other error pages on the world wide web, the 522 message is one of the HTTP status messages: while the preceding '5' indicates a server error, the following '2' indicates that the server error has occurred in conjunction with Cloudflare. Code 522 stands for'Connection timed out'...
The Error 522: Connection timed out message is anHTTP status code. A content delivery network (CDN) service, like Cloudflare, speeds up the network connection between a browser user and a website’s origin server. However, sometimes the server fails to respond within a specified time. ...
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Cloudflare uses KeepAlive to keep an open HTTP connection, minimizing the need for constant reestablishment and thus affecting inter-server communication. If the KeepAlive header is disabled on the origin server, it can lead to Error 522 due to connection failures. ...
(10);PcdAntennaOff();//关闭天线发射HAL_Delay(10);PcdAntennaOn();//开启天线发射printf("RFID-MFRC522 初始化完成\r\nFindCard Starting ...\r\n");//测试引脚初始化完成}//功 能:寻卡//参数说明: req_code[IN]:寻卡方式// 0x52 = 寻感应区内所有符合14443A标准的卡// 0x26 = 寻未进入...
char status; unsigned int unLen; unsigned char ucComMF522Buf[MAXRLEN]; ClearBitMask(Status2Reg,0x08); WriteRawRC(BitFramingReg,0x07); SetBitMask(TxControlReg,0x03); ucComMF522Buf[0] = req_code; //寻天线为进入休眠状态的卡 status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,1,uc...
#defineFOSC12000000L//System frequency#defineBAUD2400//UART baudratesbitP11=P1^1;//作为一个辅助LED灯而已bit CmdValid=0;u8 status;u8 pTagType[2];u8 code DefaultKey[6]={0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};//配带的那张白卡的扇区密码u8 idata MLastSelectedSnr[4];//这个用来存放卡片的序列...