The fundamental point here is that we simply do not know what the scheme is. After doing my request in the end it fails with: I debugged the library a bit and printed the URL.Scheme content. This will probably apply to very, very few who arrive here: but my problem was that a RoundTripper was overriding the Host field with an empty string. I don't know why this reverse proxy is not working. A system software / performance engineer's home. AlistV2APIV3V3API GIthubKuingsmilePOST. i also replaced traefik with an nginx in the otherwise same context, everything works as expected in this case. The scheme is used when a client interprets a URL for the client to decide which language to use when talking to the server, there's no point where the client is mandate to tell the server what "language" is being used to talk to to it (there's an . I figured this out by reading: https://github.com/golang/go/issues/14413. Just put the scheme (e.g. @DisposaBoy @tcolgate Of course how did I not think of that. registrator 3.1 Gliderlabs/Registrator3.2 3, , api curl Just need to set http.Request.Host [and scheme] in the Director to get this I tried to reproduce it, but it seems to be lowercase: Closing this but can reopen if you add more details. import java.io.IOException; But I got the below error: 2009/11/10 23:00:00 Get "barcode=6287029390129": unsupported protocol scheme "" UPDATE Based on some comments recieved, I changed resp, err := http.Get(req.URL.RawQuery) to be: resp, err := http.Get(req.URL.String()), also I used it as: resp, err := http.DefaultClient.Do(req) Go Playground - The Go Programming Language What was the expected result? do you think the configuration validation can be improved to spot a single table where an array of such is expected? How to Fix The Cors Error with a Reverse Proxy, Deploy OpenID Connect and OAuth 2.0 with a Reverse Proxy Architecture - June 26 | Identiverse 2019, Golang Error Handling is TRASH!!! . privacy statement. if you want to check ws: vs wss: then you can do both the check for an existing TLS negotiation (or X-Forwarded-For-Scheme), and the upgrade headers. Sg efter jobs der relaterer sig til Golang unsupported protocol scheme localhost, eller anst p verdens strste freelance-markedsplads med 22m+ jobs. indeed it was one configuration error, everything else is due to my faulty redaction of the provided data. No alternative way present to get request url scheme. FOSDEM 2019: How to write a reverse proxy with Go in 25 minutes. golang http proxy error: unsupported protocol scheme. how to describe the feeling of grass. The nginx 1.16 web and proxy server, which provides a number of new features and enhancements over version 1.14, is now available. We likely will not provide an alternative method since it's redundant to do so given the current solution. os.Exit(1. Each value is // represented by an IP address prefix . For fmt.Fprintf(os.Stderr, "fetch: Reading %v\n", err) I guess url.Parse could lowercase the proto, but I don't think this happens very often, so wondering if it's worth it. L'inscription et faire des offres sont gratuits. if err != nil { "os" to your account. The problem was not the call to YouTube itself. GitHub Gist: instantly share code, notes, and snippets. What happened instead? New replies are no longer allowed. I tried to reproduce it, but it seems to be lowercase: Server: 1060 NetKernel v3.3 - Powered by Jetty, Content-Type: text/html; charset=iso-8859-1, , The resource requested is available referer=http://:3000/dashboard/new?panelId=2&edit&fullscreen&orgId=1 error=http: proxy error: unsupported protocol scheme i run a simple http server as test service: that responds to requests from the host itself: and also to a client in the trfik container: but through trfik, this is the response: can anyone point me to what i may be missing? These new images superseded the existing images [2]. I'm sure others have use cases for other schemes as well. I am new to golang and I found the URL API very confusing. Do roots of these polynomials approach the negative of the Euler-Mascheroni constant? @lthibault websockets start off as a normal HTTP(S) GET requests that come with headers that look like: @DisposaBoy Right, but I was hoping to route requests at a given endpoint (e.g. You signed in with another tab or window. Where does this (supposedly) Gibson quote come from? ZapSugared LoggerLogger Well occasionally send you account related emails. = "unsupported protocal scheme "+req.URL.Scheme: http.Error(wr, msg, http.StatusBadRequest) log.Println(msg) . } // TLS-enabled connections before invoking a handler; // This field is ignored by the HTTP client. // most requests, fields other than Path and RawQuery will be defined otherwise by the scheme (see Section 6.2.3). the contents of requested html file to a client browser upon request .for instance client send following request . When using http package in golang, you should use the full domain name, For example: Add http:// before www.google.com, then executing it. to Laurent Le Goff, golang-nuts I guess url.Parse could lowercase the proto, but I don't think this happens very often, so wondering if it's worth it. fmt.Println(err) Rekisterityminen ja tarjoaminen on ilmaista. Show file. https://golang.org/src/net/http/transport.go on line 288 is the location where the error is thrown. needs more info Issue needs more information, like query results, dashboard or panel json, . Here's how to fix it. http.Client rejects request with >unsupported protocol scheme ""< even if it's set, https://golang.org/src/net/http/transport.go, https://godoc.org/google.golang.org/api/youtube/v3, How Intuit democratizes AI development across teams through reusability. Thanks for the products and your hard work LoggerSugaredLogger. An unsupported protocol or use google uses cookies do you or read our website uses cookies to see if this field will need to disable it. Powered by Discourse, best viewed with JavaScript enabled, [SOLVED] Hitting a 500 Internal Server Error caused by unsupported protocol scheme \"\" with a file config. Previously, the dnf-automatic.timer timer units used the monotonic clock, which resulted in unpredictable activation time after the system boot. A Computer Science portal for geeks. fwiw, the behaviour is the same when i leave out the http-to-https-redirect. @ChrisSalisbury the scheme simply doesn't exist as part of the HTTP protocol. go get -u go.uber.org/zap Is it suspicious or odd to stand by the gate of a GA airport watching the planes? protocol version 1.2 and earlier allow to start a negotiation with a Client Hello message . This field is not filled in by ReadRequest. Kaydolmak ve ilere teklif vermek cretsizdir. Could you please share the full code how it is working, package main After installation while creating a dashboard and selcting metrics on the screen seeing BAD Gateway error. Originally published at https://dev.to on December 5, 2019. For example, to proxy to example.com: Alternatively you can set req.Host to "" and it will use the value of req.URL.Host. Existence seems to be a paradox of self-causality. Search for jobs related to Golang unsupported protocol scheme localhost or hire on the world's largest freelancing marketplace with 22m+ jobs. in the grafana logs I can see below error: golang http proxy error: unsupported protocol scheme. @AnikHasibul I'd suggest closing this, it is not a bug. If so, how close was it? Since under the hood ReverseProxy is using this Request to make a client request (after ReverseProxy.Director optionally modifies it), if the Host is set it will override the Host header. Checkout How to troubleshoot metric query issues. does anyone have a hint where that empty string that represents a scheme is stemming from? Go Toolset, which provides the Go (golang) programming language tools and libraries, to version 1.12.8 . By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Ensuring there is a valid URL fixed the problem. golang http proxy error: unsupported protocol schemeeaton canyon trail. Un. As a string the result is https and in []byte [104 116 116 112 115]. I have Installed latest Grafana 6.7.3 on a CENT OS machine. As r.URL.Host has an alternative r.Host. . Then I can read "stackoverflow.com" in the log, but I still get the same 404 page reporting that I am trying to access "mylocalhost.com". if err != nil { It specifies a string that contains comma-separated values // specifying hosts that should be excluded from proxying. Have a question about this project? = "unsupported protocal scheme " + req.URL.Scheme http.Error(wr, msg, http.StatusBadRequest) log.Println(msg) return } i think this part is . import ( With this update, the timer units run between 6 a.m. and 7 a.m. It's free to sign up and bid on jobs. Making statements based on opinion; back them up with references or personal experience. One of the JSON fields was populated from config and the JSON field was empty since there was no value in the config. I try to upload some videos to youtube.