Building the project leads to fetch error

[timcouchoud]

Hi Jordan,

I try to npm run build and I am getting following error:

   ▲ Next.js 14.0.3
web:build: 
web:build:    Creating an optimized production build ...
web:build:  ✓ Compiled successfully
web:build:    Linting and checking validity of types ...
web:build:    Collecting page data ...
web:build:    Generating static pages (0/6) ...
   Generating static pages (1/6) 
   Generating static pages (2/6) 
   Generating static pages (4/6) 
web:build: TypeError: fetch failed
web:build:     at Object.fetch (node:internal/deps/undici/undici:11372:11)
web:build:     at process.processTicksAndRejections (node:internal/process/task_queues:95:5) {
web:build:   cause: Error: connect ECONNREFUSED 127.0.0.1:9991
web:build:       at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1595:16)
web:build:       at TCPConnectWrap.callbackTrampoline (node:internal/async_hooks:130:17) {
web:build:     errno: -111,
web:build:     code: 'ECONNREFUSED',
web:build:     syscall: 'connect',
web:build:     address: '127.0.0.1',
web:build:     port: 9991
web:build:   }
web:build: }
web:build: TypeError: fetch failed
web:build:     at Object.fetch (node:internal/deps/undici/undici:11372:11)
web:build:     at process.processTicksAndRejections (node:internal/process/task_queues:95:5) {
web:build:   cause: Error: connect ECONNREFUSED 127.0.0.1:9991
web:build:       at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1595:16)
web:build:       at TCPConnectWrap.callbackTrampoline (node:internal/async_hooks:130:17) {
web:build:     errno: -111,
web:build:     code: 'ECONNREFUSED',
web:build:     syscall: 'connect',
web:build:     address: '127.0.0.1',
web:build:     port: 9991
web:build:   }
web:build: }
web:build: 
web:build: Error occurred prerendering page "/countries". Read more: https://nextjs.org/docs/messages/prerender-error
web:build: TypeError: fetch failed
web:build:     at Object.fetch (node:internal/deps/undici/undici:11372:11)
web:build:     at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
 ✓ Generating static pages (6/6) 
web:build: 
web:build: > Export encountered errors on following paths:
web:build:      /countries/page: /countries
web:build: npm ERR! Lifecycle script `build` failed with error: 
web:build: npm ERR! Error: command failed 
web:build: npm ERR!   in workspace: web@0.1.0

It seems to be linked to the issue posted here:
vercel/next.js#54961 (comment)

Do you have the same issue on your side?

Cheers,
Tim