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…

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…

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…