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Questions tagged [502-error]

HTTP Error 502 Bad gateway

0
votes
1answer
70 views

Azure Site (Windows) ASP.NET Core 2.2 stdout logging not working and 502.5

I have an ASP.NET Core 2.2 site deployed to an Azure Site (App Service? Web Site?) running Windows (10, powershell says). I've installed the ASP.NET Core 2.2 service extension that contains the ancmv2 ...
3
votes
1answer
85 views

Apache Local virtualhosts not working (502 error) [closed]

My local dev environment consists of a mac with OSX El Capitan 10.11.6. I have Apache 2.4.28 installed. Something seems to have gone wrong with my virtual host configuration as none of my local ...
0
votes
1answer
2k views

Difference between keepalive in apache2.conf and in ProxyPass

I am using Apache 2.2.22 What is the difference, if there is any, between the Keepalive directive in /etc/apache2/apache2.conf # # KeepAlive: Whether or not to allow persistent connections (more ...
0
votes
1answer
683 views

Almost all the http APIs return a 502 bad gateway error after adding a CDN

I just added my website to a CDN provider https://www.qiniu.com/en. Then I realised that almost all my http APIs (https://www.funfun.ink/httpOnly...) returned a 502 bad gateway error. Additionally, ...
3
votes
1answer
374 views

After upgrade from ubuntu 14.04 to 16.04, nginx error 502: bad gateway until nginx is restarted

I have researched this problem, but in most cases the cause of the 502 error is an improperly configured nginx.conf or upstream service. I believe this is different.. As the title suggests, I ...
0
votes
0answers
221 views

HTTP 502 (Bad Gateway), niginx connect() to 127.0.0.1:8889 failed (99: Cannot assign requested address) while connecting to upstream

We have a server application running behind nginx, and the client side will keep getting and writing data to it through HTTP request but should return really fast. After running sometime, client side ...
1
vote
1answer
519 views

502 error when wordpress site hosted on AWS, but not Google cloud

I've got a problem with my wordpress site that means I get a 502 bad gateway error. The site is hosted on AWS (EC2 instance). I migrated the site to a google cloud instance to test if that would ...
0
votes
2answers
4k views

NGINX and PHP-FPM 502 bad gateway

Ok so here is the situation, we currently have a server and we are now migrating to AWS. We have somehow identical configuration and we already tried to run apache benchmark so the PHP-FPM pool is ...
0
votes
2answers
44 views

How to config Ngnix to achieve any possible website error for testing [closed]

I'm developing a website using Django framework and Nginx. Would like to create a false system error and observer how my system responds. This is a nice article however this only create false Error ...
0
votes
1answer
34 views

Apache server throw me 502 error when I try to access site with Public IP

I have a little strange case. I configured two servers in AWS: Develop and QA, the two with Ubuntu 16.04, Apache 2 and PHP 7.0. I created a website en Develop, and configured its VirtualHost file. So,...
-1
votes
0answers
395 views

nginx - php7.0-fpm - HTTP status 502

Ok, I tried nearly everything I found on the internet, but still, I'm getting 502 error with nginx and php. I have VPS with some sites running nodejs and I want to add one site on PHP7.0 php7.0-fpm ...
-1
votes
0answers
703 views

centOS 7 nginx 502 bad gateway error [closed]

im using VPS with 2 cores 3GB ram 1.5GB swap i been using nginx for more than year and i have not had any problem, nginx only uses between 300 to 700MB ram only my website is not so busy i get between ...
2
votes
1answer
6k views

Nexus returns error 502 (Bad Gateway) when publishing artifacts

I've just completed the installation of Sonatype Nexus 3.2.1-01 and I'm trying to publish some artifacts using a Jenkins job and the Nexus Artifact Uploader 2.9 plugin. The upload starts fine: 100 % ...
1
vote
1answer
10k views

Nginx reverse proxying to upstream getting 502 Bad Gateway?

My current Application deployment is receiving traffic on HTTP port and Nginx redirect it to HTTPS. This is working fine. Now we are planning to have another Nginx server act like a Load balancer to ...
2
votes
1answer
9k views

502 “Error reading from remote server” when upstream service errors

I have apache set up as a reverse proxy. When the upstream service has an error (e.g. 500) the error is not returned to the client, but instead apache serves up a 502 "Error reading from remote server"...
0
votes
1answer
3k views

502 bad gateway nginx and apache servers

Hello there can you please help me im trying to setup apache and nginx server on my ubuntu 16.04 server, but when i try to visit localhost/info.php fo example im getting 502 Bad Gateway nginx/1.9....
1
vote
0answers
2k views

Squid 502 errors

I am using Squid 3.3.13 with no cache enabled and all my clients in LAN are using it to access to HTTP and HTTPS websites. I am not using it as transparent proxy but clients have it configured in OS ...
0
votes
2answers
1k views

Setup GitLab behind nginx with https and responding on different port

Dear serverfault community, I have recently installed bundled GitLab on my VPS running Ubuntu14.04. To get it running, I have used nginx, which is routing one particular subdomain to GitLab over http....
1
vote
0answers
1k views

Listening to 127.0.0.1:9000 but var/run/php5-fpm.sock failed (2: No such file or directory)

I have a webserver configured to accept FastCGI requests at 127.0.0.1:9000 like below. /etc/php5/fpm/pool.d/www.conf: listen = 127.0.0.1:9000 /etc/nginx/sites-enabled/mysite: location ~ .php$ { ...
1
vote
2answers
104 views

nginx default error page stopped working for some reason

This used to work: server { server_name example.com; location / { proxy_pass http://localhost:8888; error_page 502 /502.html; } location = /502.html { root /var/www/example; } ...
2
votes
0answers
112 views

How to distinguish between internal error code 502 and upstream returned http_502 on a nginx proxy

We use nginx as a http proxy server.The following configuration: location / { proxy_pass_header Server; proxy_pass $scheme://$http_host$request_uri; } When urls proxied return error code 502 ...
1
vote
2answers
5k views

How to add a fallback to my proxy in nginx?

I am trying to build a proxy for my node application through nginx thinking this will give me error pages if the node application failed or is not available on the port. The node app runs on 127.0.0....
1
vote
0answers
2k views

Docker: Nginx and hhvm socket configuration returns 502 Bad Gateway

I am trying to run nginx and hhvm with docker-compose and socket file configuration but it returns a 502 error. I can access to conf/hhvm/run/ from nginx and hhvm image. In the error.log nginx's file ...
1
vote
1answer
881 views

502 Error When Trying to Post/Update in Wordpress After HHVM Installation

I'm hoping someone can lead me in the right direction of how to track down this problem. I recently had HHVM installed on my server with PHP as a fallback. Since then I've been having issues in WP ...
2
votes
1answer
645 views

Apache RewriteRule 502 Error on dev server, works on live

I'm on Apache 2.2.15. My vhost.conf contains a RewriteRule to handle article URLs; # handling for neat article titles RewriteRule ^/news/[0-9]{4}/[A-za-z]{3}/([0-9a-zA-Z-]*)/([0-9]{4})([0-9]{6})/?$ "/...
4
votes
2answers
301 views

Upgrade 2 Ghost blogs on same server, 1 quits immediately when run as a service

I have 2 Ghost blogs on a Digital Ocean server running: Ubuntu 14.04.3 LTS Nginx 1.4.6 (Ubuntu) Node v0.12.7 I used the instructions provided by Digital Ocean to set up the blogs, and they have ...
0
votes
0answers
1k views

Random 502 errors only with phpMyAdmin throgh nginx/php-fpm, with php segfault

I'm using nginx and php-fpm on many servers. Some have php 5.4 with APC and others 5.5 or 5.6 with opcache. PhpMyAdmin on servers on 5.4 work without any problems. PhpMyAdmin on servers on 5.5 or 5.6 ...
0
votes
2answers
906 views

Nginx throws 502 intermittently on every page when using fastcgi_finish_request()

I recently inherited administration over 2 Nginx boxes in AWS and am very unfamiliar with how PHP-FPM works (and doens't work). I recently integrated Keen.IO for backend user logging, using: ...
0
votes
1answer
2k views

proxy giving error 502 when uploading files to tomcat backend

So, I have an apache 2.2.16 (64 bit) installed on a Debian Server. I have configured a proxy, for a specific url to map to my backend Tomcat 7 server. Everything works fine for all of the GET/POST ...
1
vote
1answer
2k views

502 errors on random (not all) pages

A few weeks ago I noticed in the Google Webmaster tools that a few of my URL's were returning 502's. One such URL is http://www.sau.com.au/forums/topic/437438-around-the-bay-wrap-up/ This URL ...
0
votes
1answer
588 views

PHP 502 Server Error: Problems with code or server?

Not sure if this is the right forum, but I'm hoping someone can help me. We had a web app running on our web server for a while now. Suddenly it stopped working and displays a 502 error - Web server ...
2
votes
2answers
346 views

Where do these “single-dot” smtp connection failures come from?

I'm running a mailserver based on postfix. There are a lot of connection failures like this: Transcript of session follows. Out: 220 hostname.tld ESMTP Postfix In: . Out: 502 5.5.2 Error: command ...
0
votes
1answer
2k views

UWSGI Bad Gateway - Connection refused while connecting to upstream

Trying to get a basic Django app running on nginx using UWSGI. I keep getting a 502 error with the error in the subject line. I am doing all of this as root, which I know is bad practice, but I am ...
0
votes
1answer
6k views

502 bad gateway nginx. uwsgi, flask

Ok so I developed a web app in python and it worked with the internal server: if __name__ == '__main__': app.app.run(debug = True) with no issue at all. I am now trying to start up a nginx ...
3
votes
1answer
5k views

(111: Connection refused) while connecting to upstream - Opsworks Rails 4

I deployed a rails 4 application in OpsWorks (Ubuntu 14.04, nginx and unicorn), when I open the homepage I'm getting a 502 Bad Gateway error. In nginx/error.log I can see this error: 2015/01/25 06:19:...
1
vote
1answer
21k views

504 Gateway timeout / 502 Bad gateway after installing php curl - server nginx

I have (well had) a working server with nginx on board. A server (dedicated) was only used to host a drupal site. Recently we decided to host also a magento store on it and started preparation. Since ...
0
votes
0answers
847 views

502 Bad Gateway on high traffic

When my website receives many requests per second (I assume at least 80 requests per second), the server randomly blocks some requests with 502 Bad Gateway nginx-errors. This happens every few seconds:...
0
votes
0answers
214 views

Nginx not forwarding some requests

I have a set-up where Nginx is set up as a reverse proxy forwarding requests with some pre-defined strings in URL to a checkout server. Other requests are sent to a load balancer which further ...
5
votes
2answers
27k views

Nginx error stating connection refused to PHP-FPM port

Newly create LEMP stack running PHP-FPM on Ubuntu 14.04 x64. Attempting to access some PHP in my webroot. Browser is showing 502 Bad Gateway and Nginx error log is showing the following (my IP and ...
2
votes
1answer
7k views

Nginx + PHP-FPM on Centos 6.5 gives me 502 Bad Gateway (fpm error: unable to read what child say: Bad file descriptor)

I am setting up a standard LEMP stack. My current setup is giving me the following error: 502 Bad Gateway This is what is currently installed on my server: Here's the configurations I've created/...
2
votes
3answers
6k views

Nginx 502 Bad Gateway when uploading files

I get the following error when I try to upload files to my node.js based web app: 2014/05/20 04:30:20 [error] 31070#0: *5 upstream prematurely closed connection while reading response header from ...
1
vote
1answer
17k views

Apache VirtualHost setup… 502 Bad Gateway

I am trying to set up apache virtual hosts on Ubuntu 12.04 lts. I followed this guide here http://www.debian-administration.org/articles/412 except I used /var/www not /home/www. Ive set the document ...
1
vote
1answer
10k views

HTTP 502 Bad Gateway error response

I'm debugging an issue and running out of ideas. I have a server with SharePoint code hosted at port 8080 and a WCF REST service at port 8801. From another machine on the domain, I can connect to the ...
1
vote
2answers
1k views

Error 502 - Random SSL Library Error: 336151568 error:14094410

I'm facing a random 502 error on my webservers. Rate : 0.5% Error in my logs: SSL Library Error: 336151568 error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure OpenSSL Version :...
1
vote
1answer
2k views

php-fpm + persistent sockets = 502 bad gateway

Put on your reading glasses - this will be a long-ish one. First, what I'm doing. I'm building a web-app interface for some particularly slow tcp devices. Opening a socket to them takes 200ms and an ...
0
votes
1answer
403 views

Passenger + RVM returns 502 for ruby 1.8.7 (passenger_root lies in ruby 1.9.3)

I'm using Passenger + RVM + Nginx, and my Rails applications which are configured for Ruby 1.9.3 work fine, but those for 1.8.7 always return a 502 error. Can anyone spot the trouble? My config is as ...
1
vote
1answer
815 views

Sporatic 502 errors with Ruby on Rails site running on Nginx

My Ruby on Rails site is throwing sporadic 502 errors. It is running on Nginx, installed with Passenger, and is hosted on a server running Ubuntu 10.04. It seems that the errors are becoming more and ...
0
votes
1answer
585 views

custom 502 error page for nginx with unicorn not working, driving me insane ;)

I tried several times and on multiple occasions to try and fix the below code for nginx with unicorn, but it just isen't working. So now posting here in last report some of you more talented could see ...
0
votes
1answer
1k views

custom 502 bad gataway for nginx, cannot get it to work, whats wrong?

Im trying to catch a 502 bad gataway for nginx with unicorn. This error is thrown when unicorn is not running. Im trying to use a custom error page instead for when unicorn is not running to no avail. ...
0
votes
1answer
992 views

Communication failure between nginx and PHP-FPM

I've received my very first VPS just today, and wanted to install a nginx + PHP + MariaDB setup on it. And, well, I actually did it, but I've got a problem configuring it. Getting nginx to serve a ...