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This repository was archived by the owner on Oct 10, 2026. It is now read-only.
globals.Headers is not a constructor #174
Description
I get this error on a production environment, not in development mode. When I acess to link with a nuxt link in page, error doesn't ocurrs, only ocurrs when I enter on the page with url directly (refreshing for example also ocurrs)
Error stack:
ERROR globals.Headers is not a constructor
at mergeHeaders (node_modules_dev/ky/index.js:52:0)
at deepMerge (node_modules_dev/ky/index.js:88:0)
at validateAndMerge (node_modules_dev/ky/index.js:509:0)
at Function.ky.<computed> [as get] (node_modules_dev/ky/index.js:516:0)
at http_HTTP.module.exports.http_HTTP.<computed> [as get] (.nuxt/http.js:95:0)
at http_HTTP.module.exports.http_HTTP.<computed> [as $get] (.nuxt/http.js:126:0)
at asyncData (pages/catalogue.vue:36:0)
at promisify (.nuxt/utils.js:278:0)
at server.js:72810:23
at Array.map (<anonymous>)
2021-04-13T02:52:13.304Z ERROR Unhandled Promise Rejection {"errorType":"Runtime.UnhandledPromiseRejection","errorMessage":"TypeError: globals.Headers is not a constructor","reason":{"errorType":"TypeError","errorMessage":"globals.Headers is not a constructor","stack":["TypeError: globals.Headers is not a constructor"," at mergeHeaders (node_modules_dev/ky/index.js:52:0)"," at deepMerge (node_modules_dev/ky/index.js:88:0)"," at validateAndMerge (node_modules_dev/ky/index.js:509:0)"," at Function.ky.<computed> [as get] (node_modules_dev/ky/index.js:516:0)"," at http_HTTP.module.exports.http_HTTP.<computed> [as get] (.nuxt/http.js:95:0)"," at http_HTTP.module.exports.http_HTTP.<computed> [as $get] (.nuxt/http.js:126:0)"," at asyncData (pages/catalogue.vue:36:0)"," at promisify (.nuxt/utils.js:278:0)"," at server.js:72810:23"," at Array.map (<anonymous>)"]},"promise":{},"stack":["Runtime.UnhandledPromiseRejection: TypeError: globals.Headers is not a constructor"," at process.<anonymous> (/var/runtime/index.js:35:15)"," at process.emit (events.js:327:22)"," at processEmit [as emit] (/var/task/node_modules/signal-exit/index.js:161:32)"," at processPromiseRejections (internal/process/promises.js:245:33)"," at processTicksAndRejections (internal/process/task_queues.js:94:32)"]}
Unknown application error occurred
error is on a page, in this part:
async asyncData({ $http }) {
const data = await $http.$get(`xxx`)
return { data }
}
nuxt.config.js
...
modules: [
'@nuxt/http'
]
...
http: {
baseUrl: process.env.API_URL,
},
Versions:
@nuxt/http: 0.6.4
nuxt: 2.14.12
Activity
oritwoen commentedon Apr 17, 2021
I also have this bug on production Vercel.
thezzisu commentedon May 3, 2021
+1 for Vercel.
varna commentedon Jun 14, 2021
Still doesn't work.
Might have something to do with sindresorhus/ky-universal#23
I tried to confirm that the latest release has https://github.com/nuxt/http/pull/121/files fix. But I can't wrap my head around which branch is 0.6.4
varna commentedon Jun 14, 2021
I started receiving this after upgrading
nuxtfrom2.14.12to2.15.6