解决方法 webRequest.KeepAlive = false; ServicePointManager.ServerCertificateValidationCallback += (s, cert, chain, sslPolicyErrors) => true; //WebRequest请求被中止: 未能创建 SSL/TLS 安全通道  在请求之前插入TLS安全协议: ServicePointManager.SecurityProtocol = SecurityProtocolType…

突然在调用微信接口是报:The underlying connection was closed: An unexpected error occurred on a send错误,跟踪了半天,是因为在调用阿里人脸识别接口时,接认证设置成了SSL3,而微信接口支持TLS,所以就会报错.并且在更新后又正常的问题, ServicePointManager.SecurityProtocol = SecurityProtocolType.SSL3;…

操作系统是Windows Server 2003 x64 SP2,使用Framework 4.0,在使用WebClient访问某些特定的HTTPS站点时,会引发异常: Unhandled Exception: System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a send. ---> System.IO.IOException: Authentication…

最近做了一个安装包,安装包会弹出dotnet的 窗体,这个安装包会去调用https的一个api.用测试程序测试窗体都是好的.一旦打入安装包后,就报错.研究了半天,原来是https惹的祸 解决方案: .NET 4.6 and above. You don’t need to do any additional work to support TLS 1.2, it’s supported by default.DOTNET 4.6.1 以上版本,默认就可以了 .NET 4.5. TLS 1.2 i…

服务器问题,在后台访问外网了,特别是https的网站,容易出这个问题. 修改服务器配置,或修改代码解决.…

使用WebClient 发送https请求 使用WebClient发送请求时,并且是以https协议: WebClient webClient = new WebClient(); string result = webClient.DownloadString(url); error : The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure chan…

EX:The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel. 这个是证书引起的.. 用IE浏览器访问接口,右击浏览器窗口,现在属性.查看证书. 应该是不可以的. 应该安装证书.…

[WebException: The underlying connection was closed: The message length limit was exceeded.]   System.Net.HttpWebRequest.GetResponse() ; // unlimited…

写在前面 在模拟请求的时候,如果url为https的,会报这个错误.大概错误就是:基础连接已关闭:无法建立信任关系的SSL / TLS的安全通道. The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel. 基础连接已关闭:无法建立信任关系的SSL / TLS的安全通道. 解决办法 在模拟请求的方法中加上这样一句话. ServicePoin…

windows xp .net framework 4.0 HttpWebRequest 报The underlying connection was closed,基础连接已关闭,错误的解决方法 在 HttpWebRequest 请求的上方加入以下代码 ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3;…

公司内部开发的winform程序使用了FtpWebRequest下载FTP服务器的文件到本地. 大多数人运行良好,由于我们是试运行逐步有人加入到平台的使用,前两天突然有个别机器无法连接FTP服务器报出了如下错误. The underlying connection was closed:The connection was closed unexpectedly 进行排查没有发现异常,windows事件管理器中查看也没有相关的错误.写的代码也没有发现什么不对的地方 FtpWebRequest r…

One of my web project, which has a rdlc file using some expressions, was working fine while developing in visual studio 2013. After I install the visual studio 2015, when I build the web project in visual studio 2013, it always give an error message…

I am trying to run logstash under c:\program filesbut I get an error An unexpected error occurred! :error => bad URI(is not URI?): file://C:/Program Files/Infra/Data/Shipper/logstash5/config/log4j2.properties, :backtrace => ["C:/Program Files/I…

2019-11-20 13:20:00.006 ERROR 20604 --- [ scheduling-1] o.s.s.s.TaskUtils$LoggingErrorHandler : Unexpected error occurred in scheduled task org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.emptech.db.demo.mapper.ma…

起因 在一个美好的下午,我敲击键盘输入quasar create Tangerine_Reception 我自豪的使用yarn作为包管理器,本以为万事无忧,不用担心出现npm的种种异常了...... 但墨菲定律却总是生效:yarn报错error An unexpected error occurred:****ETIMEDOUT (****是我忘记报错时候显示的地址了) 原因 Google了一下,发现这是由于资源地址请求超时造成的,国内需要更换一下源. 解决方法 yarn config set…

将FtpWebRequest的KeepAlive设置为true. return Return<Boolean>( new Uri(ftpPath + fileName), request => { request.Credentials = credentials; request.Method = WebRequestMethods.Ftp.UploadFile; request.KeepAlive = true; request.UseBinary = true; using (va…

基础连接已经关闭: 连接被意外关闭. 基础连接已经关闭: 发送时发生错误 防火墙问题.或是杀毒软件,卫士之类的.(360 卸载 )…

关于这个异常的问题网上有很多的解决方案. 最为靠谱的有: http://www.cnblogs.com/hjf1223/archive/2007/03/14/674502.html(若因为链接而导致不适的情况下请作者联系我.我会立即修改.) 而除此之外可能遇到即使使用也继续生成此问题的情况. 我仅此记录我的玄学解决方案. 及 将时间改为过去的时间. 经过多次测试 在SSL链接下 当发起请求的机器比接受SSL请求机器的时间早的情况下 可能会发生此问题 例如 接受请求服务器为2015-12-2 10…

解决方式: # cd /usr/local/n/versions/node/11.6.0/lib/(node的安装目录下) # rm -rf node_modules # yarn cache clean # yarn 参考链接:https://github.com/yarnpkg/yarn/issues/2629…

可能是栈溢出(StackOverFlow) 背景:我用定时器new东西 原因:频率太快了好像!…

I logged into to the arcsight command center ,however I found an unexpected error occurred when contacting the server .Please help me to analysis the error .please tell me what to deal with , I understand the error ,but I hope you give me some advice…

[2017-05-19 13:32:14,933] INFO Waiting for keeper state SyncConnected (org.I0Itec.zkclient.ZkClient)[2017-05-19 13:32:15,028] INFO Opening socket connection to server hadoop02/192.168.233.201:2181. Will not attempt to authenticate using SASL (unknown…

1.启动kafka的脚本程序报如下所示的错误: [hadoop@slaver1 script_hadoop]$ kafka-start.sh start kafkaServer... [-- ::,] INFO Verifying properties (kafka.utils.VerifiableProperties) [-- ::,] INFO Property broker.id (kafka.utils.VerifiableProperties) [-- ::,] INFO Proper…

现象:map任务构造数据正常,reduce任务,开始也正常,速度很快 ,在hbase 的管理界面,可以看到,5W以上的请求数 当reduce 执行到 70% 左右的时候,就堵住了,查看yarn的web界面,可以找到如下报错信息. 不会尝试使用SASL认证. 连接被拒绝. 错误原因,找不到zookeeper 的master. 最开始的时候,配置是这样注入的: conf.set("hbase.zookeeper.quorum","hostname01,hostname02,hos…

tomcat启动完了之后,一直不停的打印这种错误信息,看表面上,应该是zk节点下的数据是空的,连接不上服务,所以一直在尝试连接,然后一直又连不上: 完整的错误信息: 407662 [usf-ZooKeeper:dsf_default-Registry-SendThread(127.0.0.1:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 127.0.0.1/127.0.0.1:2…

公司一SQL Server镜像发生了故障转移(主备切换),检查SQL Server镜像发生主备切换的原因,在错误日志中发现下面错误: Date        2019/8/31 14:09:17   Log     SQL Server (Archive #4 - 2019/9/1 0:00:00)       Source      spid35s       Message   Database mirroring connection error 4 'An error occurred…

参考: 系统太慢,实在搞不清是哪里的问题,祭出重装大法 需要安装的工具还真多,先装主要的吧.VS2013, SQL SERVER 2012,搞定.. 连个数据库试试,出错了: A connection was successfully established with the server, but then an error occurred during the login process. (provider: SSL Provider, error: 0 - The message re…

project.json 配置: { "version": "1.0.0-*", "compilationOptions": { "emitEntryPoint": true }, "dependencies": { "Microsoft.AspNet.Diagnostics": "1.0.0-rc2-16303", "Microsoft.AspNet.II…

Encountered an unexpected error when attempting to resolve tag helper directive '@addTagHelper' with value 'Microsoft.AspNet.Mvc.Razor.TagHelpers.UrlResolutionTagHelper, Microsoft.AspNet.Mvc.Razor'. Error: 未将对象引用设置到对象的实例. ASP.NET MVC的View视图突然都报错. 解决方…

1.在启动ie浏览器前先加入属性设置一项: DesiredCapabilities ie = DesiredCapabilities.internetExplorer(); ie.setCapability(InternetExplorerDriver.INTRODUCE_FLAKINESS_BY_IGNORING_SECURITY_DOMAINS, true); System.setProperty("webdriver.ie.driver", "e:/IEDriverSe…