go编译报错https://proxy.golang.org/github.com/ i/o timeout

报错信息

go build
go: github.com/docopt/docopt-go@v0.0.0-20180111231733-ee0de3bc6815: Get https://proxy.golang.org/github.com/docopt/docopt-go/@v/v0.0.0-20180111231733-ee0de3bc6815.mod: dial tcp 142.251.42.241:443: i/o timeout

 

解决方法

go env -w GOPROXY=https://goproxy.cn,direct

成功执行日志

devuser@ubuntu2004:~/CLionProjects/snmp-mqtt$ go build
go: github.com/docopt/docopt-go@v0.0.0-20180111231733-ee0de3bc6815: Get https://proxy.golang.org/github.com/docopt/docopt-go/@v/v0.0.0-20180111231733-ee0de3bc6815.mod: dial tcp 142.251.42.241:443: i/o timeout
devuser@ubuntu2004:~/CLionProjects/snmp-mqtt$ go env -w GOPROXY=https://goproxy.cn,direct
devuser@ubuntu2004:~/CLionProjects/snmp-mqtt$ go build
go: downloading github.com/eclipse/paho.mqtt.golang v1.2.0
go: downloading github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815
go: extracting github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815
go: extracting github.com/eclipse/paho.mqtt.golang v1.2.0
go: downloading github.com/soniah/gosnmp v1.22.0
go: extracting github.com/soniah/gosnmp v1.22.0
go: downloading github.com/golang/mock v1.2.0
go: downloading golang.org/x/net v0.0.0-20191014212845-da9a3fd4c582
go: extracting github.com/golang/mock v1.2.0
go: extracting golang.org/x/net v0.0.0-20191014212845-da9a3fd4c582
go: finding github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815
go: finding github.com/eclipse/paho.mqtt.golang v1.2.0
go: finding github.com/soniah/gosnmp v1.22.0
go: finding golang.org/x/net v0.0.0-20191014212845-da9a3fd4c582
go: finding github.com/golang/mock v1.2.0

参考来源：

https://blog.csdn.net/leyangjun/article/details/124467683

https://blog.csdn.net/nlcexiyue/article/details/121098353