Unable to install vue-cli using npm

Question

I have installed the latest version of npm and with that, I am trying to install vue-cli using the command

npm install --global vue-cli

But I am running into issues stated below:

    npm ERR! code EPROTO
npm ERR! errno EPROTO
npm ERR! request to http://registry.npmjs.org/vue-cli failed, reason: write EPROTO 101057795:error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol:openssl\ssl\s23_clnt.c:827:
npm ERR!

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\pd0ufv\AppData\Roaming\npm-cache\_logs\2018-02-02T17_02_16_113Z-debug.log

I have set my proxy setting as well using

npm set http-proxy <proxy>

npm set https-proxy <proxy>

but didn't work as well. I am using npm version 5.6.0.

try using http:// for your schema for both proxies. I'm betting your firewall isn't allowing SSL peering. — Ohgodwhy
– Ohgodwhy, Commented Feb 2, 2018 at 18:01
This is how I set it: npm config set http-proxy http://kjh-tyuik:3100, npm config set https-proxy https://kjh-tyuik:3100. I think this is what you meant to set, right? — CodeHunter
– CodeHunter, Commented Feb 2, 2018 at 18:19
Try setting the https- proxy to also use http://khj-tyuik:300 and not https — Ohgodwhy
– Ohgodwhy, Commented Feb 2, 2018 at 20:17
Wow! That worked like a charm. Thanks a ton! Please put this as answer and I will mark it as accepted! — CodeHunter
– CodeHunter, Commented Feb 2, 2018 at 20:53

Ohgodwhy · Accepted Answer · 2018-02-02 21:36:49Z

1

Most of the time this error is because the firewall you're behind doesn't actually support SSL peering but will mimic it if you use their http passthrough, so change your https-proxy definition accordingly:

npm set https-proxy http://example.com

answered Feb 2, 2018 at 21:36

Ohgodwhy

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shrikantbishoye · Accepted Answer · 2020-02-23 09:36:25Z

0

Use following steps :

npm cache clean --force

npm install -g @vue/cli

answered Feb 23, 2020 at 9:36

shrikantbishoye

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