I have also been bugged by this several times and been forced to use dep (which works). This is the only package that I have had problems with (other than cgo symbols colliding, which is a similar problem).
On Monday, May 7, 2018 at 10:05:19 PM UTC-7, Alex Buchanan wrote: > > This panic has caused me trouble many times over the last year: > > panic: http: multiple registrations for /debug/requests > > goroutine 1 [running]: > net/http.(*ServeMux).Handle(0x5c47ba0, 0x511cbc5, 0xf, 0x5223160, > 0x515f730) > /usr/local/go/src/net/http/server.go:2353 +0x239 > net/http.(*ServeMux).HandleFunc(0x5c47ba0, 0x511cbc5, 0xf, 0x515f730) > /usr/local/go/src/net/http/server.go:2368 +0x55 > net/http.HandleFunc(0x511cbc5, 0xf, 0x515f730) > /usr/local/go/src/net/http/server.go:2380 +0x4b > golang.org/x/net/trace.init.0() > /Users/buchanae/src/golang.org/x/net/trace/trace.go:115 +0x42 > > This happens because more than one package is vendoring golang.org/x/net > and importing x/net/trace, which has a global handler registration in an > init() function. This has been discussed briefly here > https://github.com/golang/go/issues/20478 and here > https://github.com/golang/go/issues/24137 > > Unfortunately, we're using docker as a library (import > github.com/docker/docker/client) and docker also vendors golang.org/x/net. > The same is true for github.com/golang/gddo/httputil. We need to vendor > golang.org/x/net in our root application for other dependencies, to avoid > breaking changes such as > https://github.com/golang/net/commit/cbb82b59bc5199680c5bf34109e12097095dca9b > > I'm stuck. I have a PR with a useful feature which is blocked until I can > find a way around this. The new feature uses a package which imports > golang.org/x/net/trace. > > I've read that "dep" will flatten vendor trees and solve this issue. I > haven't tried it. Will "vgo" solve this issue as well? > > Can't we get rid of the global registrations in the trace package? I must > have fought this issue 10+ times in the last year. > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
