While sending requests in postman the above mentioned error is occurred and while the requests are success in browser.
I am unable to send requests in postman. please solve this issue...
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I have a asp.net core app with signalR, working perfectly on development machine and iis too. but when I published to nginx(reverse-proxy) throws an error: failed: Error during WebSocket handshake: Unexpected response code: 200. I found that websocket works better on ssl so I installed self-signed ssl, still problem remains the same. Thanks in advance.
You'll have to configure Nginx to proxy websocket connections, it does not handle websocket connections by default. See http://nginx.org/en/docs/http/websocket.html and NGINX to reverse proxy websockets AND enable SSL (wss://)? for further information about enabling websockets for Nginx.
I use Apache 2.4 as web server. When it exceeds max connections limit, what response code the client receives from the web server?
Apache throws 504 status code response to client.
504 GATEWAY TIMEOUT
The server, while acting as a gateway or proxy, did not receive a timely response from an upstream server it needed to access in order to complete the request.
I have just recently installed fiddler, to watch calls made to my web API project from an office web App. These calls are sent over SSL so I enabled fiddler to decrypt HTTPS traffic. Installed the fiddler root certificate into my Firefox browser following these steps:
http://www.telerik.com/blogs/configuring-firefox-for-fiddler
When connecting to any HTTPS site with fiddler running I receive this error.
HTTP/1.1 200 Connection Established
FiddlerGateway: Direct
StartTime: 10:06:51.230
Connection: close
fiddler.network.https> HTTPS handshake to mail.ionstaging.com (for #7) failed.
System.Security.Cryptography.CryptographicException Unspecified error
When i try to login into Artifactory web appliaction ,its showing proxy error. The Error message is below.
Proxy Error
The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request POST /artifactory/webapp/login.html.
Reason: Error reading from remote server
Apache/2.2.15 (CentOS) Server at XX.XX.XX.XX Port 80
Any Solution for this?
The following errors are being logged in our proxy Apache logs while processing the request with Tomcat Server:
(103)Software caused connection abort: proxy: pass request body failed
proxy: pass request body failed
We've a Apache reverse proxy which serves the request for the client from our Tomcat Server. Sometimes, the request from the proxy returns 502 with the above error. There are no error logs in Tomcat Server Logs correlated with the above errors in Proxy. Also, the request didn't timeout since some of the requests response time is 1 sec and our default timeout is 120 sec.
We've added ProxyBadHeader Ignore to our httpd configuration [Ref: 502 Proxy Error / Uploading from Apache (mod_proxy) to Tomcat 7] and still didn't see any errors in our Tomcat logs.
Have anyone seen this issue earlier?
We recently had this issue after upgrading one of our machines from Tomcat 6 to 7. Someone forgot to change the default apache-tomcat/conf/tomcat-users.xml file from our standard one and so the wrong password was getting checked by the server. Interestingly this results in the 502 Error you saw above. This can be avoided with some decent logging to determine it is actually an auth problem.