Client timeout exceeded while awaiting headers
I think it is due to DNS network timeout.
You can easily test this out by using the following steps (in Ubuntu)
- Select the IPv4 Settings tab.
Disable the “Automatic” toggle switch and enter the DNS resolvers' IP addresses, separated by a comma. We’ll use the Google DNS nameservers:
8.8.8.8,8.8.4.4
If it works, then you may be able to reset the DNS to "Automatic"
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Comments
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Bondhan Novandy over 3 years
I got below error, I am using go v1.10.4 linux/amd64.
I am not behind any firewall or whatsoever. New Relic in java server (same network segment) that we have runs fine.
We have tried:
- Increasing the timeout to 60 seconds
- Use http2 in the server
- Using Postman return 503 with response:
{"exception":{"message":"Server Error","error_type":"RuntimeError"}}
- troubleshooting with ./nrdiag says “No Issues Found”
Below is our code:
config := newrelic.NewConfig(os.Getenv("NEW_RELIC_APP_NAME"), os.Getenv("NEW_RELIC_KEY")) config.Logger = newrelic.NewDebugLogger(os.Stdout) app, err := newrelic.NewApplication(config) if err != nil { fmt.Println("Failed to create newrelic application", err) os.Exit(1) } ................. httpListener, err := net.Listen("tcp", *httpAddr) if err != nil { oldlog.Print("Error: ", err) logger.Log("transport", "HTTP", "during", "Listen", "err", err) os.Exit(1) } g.Add(func() error { logger.Log("transport", "HTTP", "addr", *httpAddr) return http.Serve(httpListener, nrgorilla.InstrumentRoutes(httpHandler, app)) }, func(error) { httpListener.Close() }) }
However this what we got,note some_key was removed:
(28422) 2019/07/29 18:08:50.058559 {"level":"warn","msg":"application connect failure","context":{"error":"Post https://collector-001.eu01.nr-data.net/agent_listener/invoke_raw_method?license_key=some_key\u0026marshal_format=json\u0026method=connect\u0026protocol_version=17: net/http: request canceled (Client.Timeout exceeded while awaiting headers)"}}
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Waqas Ali over 2 yearsI am using windows OS, this didn't work for me.