问题描述:Chrome控制台报错:Unchecked runtime.lastError: The message port closed before a response was received. 问题分析:非检查型的运行错误:响应前信息端口关闭. 问题原因:浏览器的扩展程序使得端口意外关闭 解决方案:逐个关闭扩展程序,排查导致问题的扩展程序. 点击Chrome的右上角三个点--点击更多工具--点击扩展程序--关闭xx扩展程序(例如我的Chrome,关闭了迅雷下载支持即解决)…
Chrome浏览器控制台报错提示 Unchecked runtime.lastError: The message port closed before a response was received Uncaught TypeError: Cannot read property 'nodeName' of null at HTMLDocument.onMouseClick 解决方案 打开chrome://extensions/,逐个关闭扩展程序查看…
经过查询,此错误是Chrome扩展插件引起的.由于Chrome修改了API接口,原来的请求被拦截.(Chrome 73 onwards disallows cross-origin requests in content scripts. (Code in content scripts will now be subjected to the same CORS rules as the page they are running in)) 已知会引起这个问题的插件 1Password Pin…
现象: 在springboot的定时器轮询去下载ftp文件时,报以下错误: org.apache.commons.net.ftp.FTPConnectionClosedException: FTP response 421 received. Server closed connection. at org.apache.commons.net.ftp.FTP.__getReply(FTP.java:367) at org.apache.commons.net.ftp.FTP.__getRepl…
SharePoint 2013爬网报错 An unrecognized HTTP response was received when attempting to crawl this item. Verify whether the item can be accessed using your browser. 然后登陆网站,发现在服务器上输入3次用户名密码白页,考虑到本地回环的问题. 参考 https://support.microsoft.com/en-gb/kb/896861 修改禁用…
Error during WebSocket handshake: Sent non-empty 'Sec-WebSocket-Protocol' header but no response was received WebSocket握手阶段出错:发送了非空“Sec-WebSocket-Protocol”请求头但是响应中没有此字段 这个,在后端握手时设置一下请求头(Sec-WebSocket-Protocol)即可,前端发来什么值,这里就写什么值 测试: 在Chrome控制台输入 var w…