No live upstreams while connecting to upstream 问题1：如何检查我的防火墙配置？ Oct 14, 2018 · NGINX 中的“no live upstreams while connecting to upstream”错误，表示 NGINX 无法找到实时后端服务器。这可能会中断您的 Web 服务。我们将探讨常见原因和解决方案。错误的常见原因诊断错误：查找 NGINX 日志中的错误消息。：确保后端服务器正在运行且可访问。 Dec 12, 2022 · Nginx connect() failed (111: Connection refused) while connecting to upstream, client: 192. local Hot Network Questions Significance testing from random slopes model Nov 4, 2020 · 主要有两个疑惑点：首先直接访问目标机器，目标机器处于正常访问状态，而且没什么压力；另外一点如果负载均衡目标服务机器两台改为一台反而不会出现这个异常，但是服务所在机器压力非常大；所以怀疑是nginx这台机器除了问题。 May 23, 2018 · So if you have a few slow requests that timeout, Nginx can decide that the server in your upstream is down, and because you only have one, the whole upstream is effectively down, and Nginx reports no live upstreams. no live upstreams的问题. 背景介绍. – Oct 7, 2017 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 7, build f0df350 $ docker -v Docker version 20. As a second point of reference, you can you can top on the server and manually check if PHP is slamming the CPU for periods of time, another indicator of slow responses. c里面的ngx_http_upstream_connect这个函数 Oct 21, 2021 · # 线上nginx的no live upstreams while connecting to upstream 示例分析 ## 引言 在分布式系统架构中，Nginx作为反向代理服务器承担着流量分发的重要角色。当Nginx日志中出现`no live upstreams while connecting to upstream`错误时，往往意味着后端服务出现了不可用的情况。 The main domain droplet was running Nginx and reverse proxying a specific path to the subdomain, which was running Caddy instead. 7, build f0df350 $ docker network ls NETWORK ID NAME DRIVER SCOPE b4295e60714a bridge bridge local 4728bf16f693 host host local fdc61b1b1480 nginx-proxy bridge local 2e0bc41b39f7 none null local $ uname -a Linux serverhttp 4. 5 How to solve nginx - no live upstreams while connecting to upstream client? 7 Jun 25, 2021 · 3. Asking for help, clarification, or responding to other answers. 第一条error的原因找到了，接下来还需要看看为什么还会在同一条请求里面打出no live upstreams这种日志. Nginx返回 502 Bad Gateway 时，注意观察其错误日志，通过日志来分析是请求超时或服务不可用导致的，如果输出 no live upstreams while connecting to upstream 说明并发请求量大，Nginx将服务下线后仍有请求被转发到下线服务，也可能是服务资源紧缺导致响应不及时，超时后所致。 Apr 18, 2023 · 如果您遇到错误“no live upstreams while connecting to upstream”，请按照这些步骤逐一检查，找到导致该错误的真正原因，并进行相应的解决。通过这种方式，您可以快速解决该问题，确保您的应用程序正常运行。 常见问题解答. Maybe use the same network on nginx for web. 0-144-generic Mar 10, 2023 · 排查Nginx-no live upstreams错误 1. 29. 15. Apr 11, 2018 · Currently I am running a load test using JMeter on our system build on grails 3 running on tomcat. Feel free to ask me if you have any questions :) Apr 2, 2014 · This is not a problem with Nginx, it is a problem with your PHP backends not responding in time. The primary reason for this sort of problem to arise is when your server is under heavy load and becomes unable to keep up with incoming requests. Jun 20, 2021 · $ docker-compose -version docker-compose version 1. 1, server: hello-1. 生产环境Nginx时不时会出现大量的"no live upstreams while connecting to upstream"错误，这时全部API接口都不可用，影响非常恶劣。到目前为止，每次只要重启rule-engine应用，这些错误就会消失。 Oct 7, 2023 · 总结#. 2, build 5becea4c $ docker -v Docker version 20. 128. You can add logging to Nginx to help confirm this. This can be caused by a variety of factors, such as the upstream server being down, the upstream server being overloaded, or a network issue between your server and the upstream server. 10. This guide will explain the causes of this error, how to diagnose No Live Upstreams While Connecting to Upstream Description Solution; The upstream server is not responding. ngx_http_upstream. Better explained here: May 24, 2024 · 1、502伴随出现错误no live upstreams while connecting to upstream的原因: 具体场景：接入层的负载均衡的nginx集群转发给业务nginx，业务nginx再转发给后端的应用服务器。业务nginx配置文件如下： May 7, 2019 · 在一次压测过程中，发现随着并发用户量的增加，压测客户端收到错误请求越来越多，Nginx 返回大量 502 Bad Gateway 错误。 以此次压测为契机，让我们有机会探讨高并发环境下可能出现的问题，本文借助 nginx 和 Linux 内核源码，分析产生 502 错误码的原因，并提出相应解决办法，为今后解决类似问题 Jan 17, 2019 · No live upstreams while connecting to upstream, but upsteam is OK. . Mar 13, 2023 · Ways to Fix “No Live Upstreams While Connecting to Upstream” Problem. At first view, your docker-compose seem nice. 直接撸源码，全局搜一下这句话，只在一个地方出现. After sending 20k request per second I got “no live upstreams while connecting to upstream client” Jun 25, 2024 · Encountering the "no live upstreams while connecting to upstream" error in NGINX can be frustrating. I see that your upstream try to call "web:8000" (with 8000 only exposed in your container) but without a network access from nginx and web, nginx can't locate the container. Provide details and share your research! But avoid …. Setting proxy_ssl_server_name on; resolved the various issues SSL_do_handshake() failed and no live upstreams while connecting to upstream on the Nginx server. 168. kavxk bilyj tlnt wgxyvwi mogloqt khbma weca gfecev gumyuz hunzq

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