502 Server dropped connection

在本地电脑上开启了,全局VPN代理后,出现 502 报错. 502 Server dropped connection The following error occurred while trying to access http://localhost/invo/: 502 Server dropped connection…

启动项目报错：502 Server dropped connection The following error occurred while trying to access http://localhost:8080/TestDemo:

之前的项目一直是好的,可以启动,但最近启动出了问题,访问不了,于是找到原因发现是启用了访问国外网站的加速器, 更改了浏览器的代理模式,如下: 解决方法: 打开浏览器,进入到浏览器的网络设置中,将局域网设置中代理去掉即可.以火狐为例,截图如下: 设置完成后,apache项目就可以启动了详细介绍请查看全文:https://cnblogs.com/qianzf/ 原文博客的链接地址:https://cnblogs.com/qzf/…

zabbix服务端连接客户端报错Received empty response from Zabbix Agent at [192.168.10.105]. Assuming that agent dropped connection because of access permissions

这是zabbix WEB报的问题:Received empty response from Zabbix Agent at [192.168.10.105]. Assuming that agent dropped connection because of access permissions 如果全部配置好了查看服务是否开启: ps -ef |grep zabbix 再查看防火前的端口是否开启:https://www.cnblogs.com/wei9593/p/10419367.html…

Received empty response from Zabbix Agent at [agent]. Assuming that agent dropped connection because of access permission

Received empty response from Zabbix Agent at [agent]. Assuming that agent dropped connection because of access permission 情况:server端一直显示更改server上agentd.conf配置文件更改server的127.0.0.1为server的ip地址…

ntp 服务：Server dropped: Strata too high

1.通过ntpdate -d 服务端IP,显示Server dropped: Strata too high vi /etc/ntp.conf 在ntpd服务端的配置中添加 server 127.127.1.0 fudge 127.127.1.0 stratum 8 重启ntpd服务就可以了 service ntpd restart…

zabbix监控告警Received empty response from Zabbix Agent Assuming that agent dropped connection

zabbix监控告警Received empty response from Zabbix Agent Assuming that agent dropped connection错误查看zabbix-server日志 tail -f /var/log/zabbix/zabbix_agentd.log 修改zabbix配置把主机127.0.0.1修改成本地的真实ip地址即可…

FTP response 421 received. Server closed connection

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…

solr集群Server refused connection at: http://127.0.0.1:6060/solr/ego 注册zookeepr自动使用内网ip

引导:适用于各种注册服务,zookeeper和被注册的服务器不在同一ip上,产生的注册了127.0.0.1本地ip地址在使用solr集群操作的时候,报了如下的错误 org.apache.solr.client.solrj.SolrServerException: No live SolrServers available to handle this request:[http://127.0.0.1:9090/solr/ego, http://127.0.0.1:6060/solr/ego,…

Assuming that agent dropped connection because of access permission

Assuming that agent dropped connection because of access permission…

Received empty response from Zabbix Agent at[172.16.1.51]. Assuming that agent dropped connection because of access permissions

Centos7.5 Zabbix创建主机ZBX爆红原因:/etc/zabbix/zabbix_agentd.conf配置文件的Server写错了解决方法: [root@db01 ~]# vim /etc/zabbix/zabbix_agentd.conf # Incoming connections will be accepted only from the hosts listed here. # If IPv6 support is enabled then '127.0.0.1',…

Loadrunner中遇到Failed to connect to server[10061] connection refused错误

(1)run-time setting/browser emulation中,将simulate a new user on each iteration 选项去掉(默认是选中的). 重新运行一切正常,没有错误出现. 去掉这个选项的意思是,始终使用一个tcp/ip链接,不断开,也就是开发人员所说的长链接或持久连接 (2)登录负载机,运行:regedit打开系统注册表,找到HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/ Services/TCPIP/Pa…

python selenium phantomjs 报错

报错: webdriver.PhantomJS() raise exception_class(value)selenium.common.exceptions.WebDriverException: Message: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><h…

No input file specified. nginx服务器报错解决

配置虚拟域名的时候报No input file specified. 仔细观察一圈也没有发现任何错误,最终,我把注意力放到 \ 上.才发现问题. 以前我都是直接copy文件路径过去文件里面都是使用的 \ 例如这样 D:\phpStudy\WWW\think\public 在这之前这样使用没有任何问题. 但是标准的规范应该是这样D:/phpStudy/WWW/think/public 使用 ‘/’ 这样问题就解决了. 服务器访问时502 Server dropped connection…

Android选择/拍照剪裁 base64/16进制/byte上传图片+PHP接收图片

转载请注明出处:http://blog.csdn.net/iwanghang/article/details/65633129认为博文实用,请点赞,请评论,请关注.谢谢! ~ 老规矩,先上GIF动态图.看个效果,假设符合你的项目或者确定你要了解的内容,再往下看吧: 完整项目下载地址:http://download.csdn.net/detail/iwanghang/9792768 贴代码: 1.PHP: <?php namespace app\index\controller; class Up…

httpClient-3.1学习笔记

http://hc.apache.org/httpclient-3.x/tutorial.htmlThe general process for using HttpClient consists of a number of steps: Create an instance of HttpClient. Create an instance of one of the methods (GetMethod in this case). The URL to connect to is…

HttpClient异常处理手册

HttpClient异常处理手册开源中国发表于 2014-08-26 19:44:06 异常处理 HttpClient的使用者在执行HTPP方法(GET,PUT,DELETE等),可能遇到会两种主要类型的异常: 传输异常协议异常并不是所有的异常都会传播给HttpClient的用户.HttpClient内部使用的异常在下文中将会标记为内部使用传输异常协议异常 HTTP传输安全自动异常恢复自定义异常处理传输异常传输异常都是诸如不可靠的连接到输入/输出失败或者未能在给与的时间内执行…

【SQL Server 问题记录】A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible.

本文涉及的相关问题,如果你的问题或需求有与下面所述相似之处,请阅读本文 A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is c…

Lost connection to MySQL server during query ([Errno 104] Connection reset by peer)

Can't connect to MySQL server Lost connection to MySQL server during query · Issue #269 · PyMySQL/PyMySQL https://github.com/PyMySQL/PyMySQL/issues/269 zappjones commented on Jan 30 2015 Hey all - I was able to track down my issue with the help of am…

TADOConnection.Close - connection still active on MS-SQL server

I have several Delphi programs (XE3), that use a TADOConnection to connect to a MS-SQL Server. I recently checked the connections in the "MS SQL Server Management Studio"'s process list. When the program starts, the connection is inactive, no co…

SQL Server Connection Pooling (ADO.NET)

SQL Server Connection Pooling (ADO.NET) Connecting to a database server typically consists of several time-consuming steps. A physical channel such as a socket or a named pipe must be established, the initial handshake with the server must occur, the…

从日志文件解决ArcGIS Server性能低下问题的步骤（1）

日志级别和结构 http://www.cnblogs.com/fortoday/archive/2011/03/30/2000348.html ArcGIS Server日志文件分为几个记录级别: 无 - 不记录任何内容. 错误 - 严重问题,需要立即引起注意. 常规 - 关于错误及需要引起注意的问题的警告. 信息:简单 - 服务器的常规管理消息,包括有关服务创建的消息.此级别中还包括警告和错误. 信息:标准 - 由使用服务器而生成的普通消息,每个请求最多记录一次.此级别还包括所有"信息:简单&…

jmx server 和jmx client

启动jmx server 和jmx client,通过jconsole进入jmx server 然后通过其中远程进程,进入jmx client: 发现,两者可用的tab页不同, MBean的数量类型也不同: 如何理解呢?其实原因就是两者的MBeanServer不同, 前者是jmx自带的,后者是我new出来的. 访问JMImplementation 看看: ObjectName jmxname = new ObjectName("JMImplementation:type=MBeanServerD…

SQL Server 2012实施与管理实战指南(笔记)——Ch5启动SQL Server服务和数据库

5.启动SQL Server服务和数据库在数据库和服务启动过程中,经常会出现的问题: 1.SQL Server实例无法正常启动 2.系统数据库无法正常启动 3.网络配置失败 4.用户数据库无法启动 5.集群环境下SQL Server资源无法保持在线目录 5.启动SQL Server服务和数据库 5.1 SQL Server服务启动步骤 5.1.1 从注册表中读取SQL Server启动信息 5.1.2 检查硬件,配置内存和CPU 5.1.3 数据库启动 5.1.4 准备网络 5.2 数据库状…

数据库连接池配置 - Oracle，SQL Server，DB2，MYSQL，SQLLITE3

################## 数据库连接配置 ################## #Oracle#hibernate.connection.driverClass=oracle.jdbc.driver.OracleDriver#hibernate.dialect=org.hibernate.dialect.Oracle9Dialect#hibernate.connection.url=jdbc:oracle:thin:@192.168.1.30:1521:other#hibernate…

P6 Professional Installation and Configuration Guide (Microsoft SQL Server Database) 16 R1

P6 Professional Installation and Configuration Guide (Microsoft SQL Server Database) 16 R1 May 2016 Contents About This Guide...................................................................................... 11 Shared Topics in This Guide .…

解决ntp的错误 no server suitable for synchronization found

当用ntpdate -d 来查询时会发现导致 no server suitable for synchronization found 的错误的信息有以下2个: 错误1.Server dropped: Strata too high 在ntp客户端运行ntpdate serverIP,出现no server suitable for synchronization found的错误. 在ntp客户端用ntpdate –d serverIP查看,发现有“Server dropped: strata…

windows server 2008 IP安全策略关闭端口，禁止ping，修改远程连接3389端口,开放指定端口

windows server 2008 IP安全策略关闭端口: Tomcat服务访问不了情况解决. Windows默认情况下有很多端口是开放的,在你上网的时候,网络病毒和黑客可以通过这些端口连上你的电脑.为了让你的系统变得相对安全,应该封闭一些不常用的端口,主要有:TCP 135.139.445.593.1025 端口和 UDP 135.137.138.445 端口,一些流行病毒的后门端口(如 TCP 2745.3127.6129 端口),以及远程服务访问端口3389. …

ntpdate server时出错原因及解决

错误1.Server dropped: Strata too high 在ntp客户端运行ntpdate serverIP,出现no server suitable for synchronization found的错误,如下所示 zhj@test:~$ Dec :: ntpdate[]: no server suitable for synchronization found zhj@test:~$ 在ntp客户端用ntpdate –d serverIP查看,参数是-d是指debug模式,它…

Browser 與 Server 持續同步的作法介紹 (Polling, Comet, Long Polling, WebSocket)长连接

對 Comet 的懵懂記得兩年多前,第一次看到 Gmail 中的 GTalk 覺得很好奇:「咦?線上聊天且是 Google 的熱門系統,只用傳統的 AJAX 應該會操爆伺服器吧?」很幸運的,當時前公司內部的 Tech Talk 就有位同事分享這個叫 Comet 的技術.是種「為了讓瀏覽器與伺服器頻繁溝通所使用的技術.主要的瓶頸在於 WWW 伺服器上.」但因為工作沒有用到這類的需求.加上找不太到好的入門文章.實作的人不多,因此我對 Comet 的認識一直停留在懵懂的階段. 這一年多,會自動更新的…

Citrix Presentation server can not contact the license server

If you come across the above error, you may also come across one or more of the errors below within your Citrix server event logs. This computer running Citrix Presentation Server will now stop accepting connections. This server is no longer in or c…

【502 Server dropped connection】的更多相关文章