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Proxy Server 502 Error


Join them; it only takes a minute: Sign up Bad Gateway 502 error with Apache mod_proxy and Tomcat up vote 39 down vote favorite 14 We're running a web app on Fill in the Minesweeper clues Why does a full moon seem uniformly bright from earth, shouldn't it be dimmer at the "border"? I had inconsistent keep-alive settings which I corrected with SetEnv proxy-nokeepalive 1 and SetEnv force-proxy-request-1.0 1. –Ben Thurley Nov 14 '13 at 13:01 add a comment| up vote 2 down vote Before engaging the webmaster of the site or one’s Internet Service Provider (ISP), it is prudent to troubleshoot the client computer to make sure that it is not the reason that navigate to this website

This server received an invalid response from an upstream server it accessed to fulfil the request. The second thing to try is a different browser. Should two DFAs be complete before making an intersection of them? Mail is being send by third party SMTP.

502 Proxy Error Apache

Subscribed! Step 7 – Double click the new VBS file to complete fixing the IIS server. This can also be caused by security plugins of your CMS.

  • The proxy server could not handle the request POST /artifactory/webapp/login.html.
  • We ultimately determined that we were seeing 502 and 503 errors in the load balancer due to Tomcat threads timing out.
  • By default apache has a timeout of 300 seconds for proxied responses –Dave Cheney Oct 4 '08 at 6:46 add a comment| up vote 2 down vote Sample from apache conf:

Search for: ReferenceSoftware Tutorials Unit Conversion Practice Tests Web Tools Site Index Audio-Video Databases Electronics File Compression File Conversion Gaming Graphics Hardware Internet IT Management Macintosh Microsoft Windows Mobile Devices Networking Give them a call to report the outage; and if you use a proxy server for privacy or to bypass access restrictions, a 502 error could indicate that the proxy server In these cases, a restart would help.  Restart your networking equipment. 502 Bad Gateway Meaning Please contact us (email preferred) whenever you encounter 502 errors - there is nothing you can do to sort them out.

This is a reverse proxy server program that (among other things) accepts incoming requests from web browsers and directs them to a number of different back-end computers – the file servers 502 Proxy Error The Proxy Server Received An Invalid Response From An Upstream Server We then have to liaise with your ISP and the vendor of the Web server software so that they can review the flow of IP data traffic between various computers under Bob Thank you but we are all not computer experts like you, you gave no details to us the computer semi illiterate as to how to do this exactly??? http://pcsupport.about.com/od/findbyerrormessage/a/502error.htm Origin server down: The server is not reachable, either because it is down or there is no connectivity to the server given.

Apr 16 '13 at 7:38 In the documentation quoted in Janning's answer (stackoverflow.com/a/1287662/385571) the explanation is that there is a race condition between when the backend WAS closes the 502 Bad Gateway Fix The proxy server could not handle the request GET /the/page.do. Most websites have social networking accounts they use to help support their services. Step 4 – If still unsuccessful with clearing the 502 Proxy Error, restart the DSL or cable modem that supplies the Internet connection for your home or place of business.

502 Proxy Error The Proxy Server Received An Invalid Response From An Upstream Server

Please try again. http://www.checkupdown.com/status/E502.html You should look in the logs. 502 Proxy Error Apache This type of error comes from the server, and usually has nothing to do with your PC Jack Schofield Thursday 1 August 2013 16.03 BST Last modified on Thursday 1 August 2013 Proxy Error Reading From Remote Server Similar to Internet Explorer users, those who use the browser may have the need arise to clear the Firefox cache in order to help troubleshoot the 502 proxy error issue.

RG-8 RG-8 is a 50-ohm coaxial cable that is used for radio transmission (for instance in ... useful reference Before analysing this problem, you should clear your browser cache completely. Try our newsletter Sign up for our newsletter and get our top new questions delivered to your inbox (see an example). Step 8 – Attempt to visit the website that has been throwing the 502 proxy error to see if clearing the browser cache has fixed the problem. 502 Bad Gateway Nginx

Once you use the exits, you're finally inside me df -h doesn't show /dev/sda How can a nine tailed fox catch its prey? Some Bad Gateway errors are caused by temporary issues with DNS servers.Note: Unless you've previously changed them, the DNS servers you have configured right now are probably the ones automatically assigned The majority of the time the error is thrown, the upstream server is functioning appropriately. my review here It's hard to know whether they actually work.

Browsers like to store copies of web pages in temporary file folders as it is faster to load cached pages than fetch them again, assuming they haven't changed. 502 Proxy Error Chrome share|improve this answer answered Oct 4 '08 at 3:17 Dave Cheney 3,31611118 Update the issue with anything you find in the log. Reason: Error reading from remote server If you think this is a server error, please contact the webmaster.

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Would you like to answer one of these unanswered questions instead? Use of proxies and caching is increasing on the Web. This disguises your origins and eliminates some potential problems with your own internet service provider. (Anonymous proxies provide a simple way to reach sites that your ISP has blocked, or get 502 Proxy Error. Forefront Tmg Denied The Specified Uniform Resource Locator In this case, you could try going without the proxy or using a different proxy.Steps You Can TakeWhenever you encounter a 502 error, hold down the "Ctrl" key on your keyboard

Here are a few examples of what you might see: "502 Bad Gateway" "HTTP Error 502 - Bad Gateway" "502 Service Temporarily Overloaded" "Error 502" "502 Proxy Error" "HTTP 502" "502 Although more commonly encountered on computers running the Windows operating system, restarting the computer can help fix errors the computer is encountered with the local network or ISP. Firewall blocks request: A firewall blocks the communication between the edge servers and the origin server. get redirected here In the first case, only your ISP can help you.

The equivalent web-industry panacea is rebooting the router (aka modem, or internet hub). Step 3 – Select the “Tools” menu button. Note: Microsoft IIS web servers often give more information about the cause of a particular 502 Bad Gateway error by adding an extra digit after the 502 as in HTTP Error Generating a sequence of zeros at compile time To find the number of X completed, when can I subtract two numbers and when do I have to count?

Find Out Here Article What Exactly Does an ISP Do? SYSVOL is the acronym for the SYSFOL folder and all of the files stored in ...