Error: `pages/404` can not have getInitialProps/getServerSideProps #677

Danetag · 2020-04-03T17:53:23Z

Describe the bug

After setting up next-i18next, I have the following error in the terminal on every page (probably because it's looking for an not existing favicon.ico by default).

Error: `pages/404` can not have getInitialProps/getServerSideProps, https://err.sh/zeit/next.js/404-get-initial-props

But my 404 page is really simple, no getInitialProps/getServerSideProps

export default () => <h1>This is the 404 page</h1>

Note: i'm trying the setup the project for a potential future translation. Therefore, next-i18next provides a clean way for developers to use the system as string dictionary for UI texts, which later on could be translated.

Obviously, if I go to /404, I see the error in browser.

Thank you!

Occurs in next-i18next version

From the package-lock.json and other info

next-i18next: 4.2.1
i18next: 19.3.4
node JS: 13.9.0
npm: 6.13.7

Steps to reproduce

File structure

└── public
    └── static
        └── locales
            ├── en
               └── common.json
               └── homepage.json
└── src
     └── pages
     └── components

In i18n.js
Note: I needed to add those properties in the config to be able to make t('key) working

lng: 'en',
fallbackLng: 'en',
languages: ['en', 'not-existing-yet'],

More specifically lng: 'en', the fallbackLng is for later if we do add more languages, and languages to be able to access i18n.languages (otherwise it wasn't working)

const NextI18Next = require('next-i18next').default

const NextI18NextInstance = new NextI18Next({
  defaultLanguage: 'en',
  lng: 'en',
  fallbackLng: 'en',
  languages: ['en', 'not-existing-yet'],
  otherLanguages: ['not-existing-yet'],
})

module.exports = NextI18NextInstance;

In _app.js

import React from "react";
import App from "next/app";

// i18n
import { appWithTranslation } from '~/i18n'

class MyApp extends App {
  render() {
    const { Component, pageProps } = this.props;

    return (
      <>
            <Head>
              <title>NextJS Advanced Routing</title>
            </Head>
            
            <Component {...pageProps} />
      </>
    );
  }
}

export default appWithTranslation(MyApp);

In index.js (homepage)

import { withTranslation } from '~/i18n'

const Index = ({ data, t, ...props }) => {
   return (
     <h1>{ t('homepage:title') }</h1>
   )
}

Index.getInitialProps = async ({ query }) => {
  // get some data
  const data = await getData();
  return { data, namespacesRequired: ['common', 'homepage'], }
}

export default withTranslation('homepage')(Index)

Expected behaviour

404 should be working without triggering an error

Screenshots

OS (please complete the following information)

Device:MBP 2019 15"
Browser: Chrome 80.0.3987.149

Additional context

The text was updated successfully, but these errors were encountered:

felixmosh · 2020-04-20T16:29:41Z

Actually this Next's requirement is absurd, cause if you have translations you must translate your custom 404 as well.

isaachinman · 2020-04-20T17:17:40Z

Yeah, @Danetag this is probably an issue to raise with the NextJs team. There's not much that can be done on the next-i18next side of things - we have to get translations somehow.

RobinLebhar · 2020-06-13T14:34:35Z

Hello, you are right we should be able to translate the 404 page as well ! (great job on this repo btw)

Is it possible to disable the warning though ? Because all my other pages are correctly setup and I would like to avoid to be spamed by the warning when navigating to the 404 page.

Thank you !

isaachinman · 2020-07-11T14:29:23Z

Just to follow up: I don't think it's right to disable the warning. I think the correct thing to do is translate our 404 pages.

I can speak to the NextJs team about this.

ghost · 2020-07-21T14:34:10Z

Any updates?

Dynkin · 2020-08-03T16:15:44Z

Yeah. I'm facing the same issue now. I like to keep my console clean. But in this particular situation I get or warning from Next.js You should have custom 404 page because it's good to optimize its as static content either warning from next-18next You have not declared a namespacesRequired array on your page-level component: Custom404.

Frustrating 😞

anthonyrenard · 2020-08-20T14:59:34Z

@Dynkin, you can add your custom 404 page without the getInitialProps. Actually i'm running with this solution. it's not the best solution but it's working.

import PropTypes from 'prop-types';
import { withTranslation } from '../i18n';

function Custom404({ t }) {
  return (
    <div>
      <h1>{t('title-message')}</h1>
    </div>
  );
}

Custom404.propTypes = {
  t: PropTypes.func.isRequired,
};

export default withTranslation('404')(Custom404);

geryit · 2020-08-25T23:44:25Z

@Dynkin, you can add your custom 404 page without the getInitialProps. Actually i'm running with this solution. it's not the best solution but it's working.

import PropTypes from 'prop-types';
import { withTranslation } from '../i18n';

function Custom404({ t }) {
  return (
    <div>
      <h1>{t('title-message')}</h1>
    </div>
  );
}

Custom404.propTypes = {
  t: PropTypes.func.isRequired,
};

export default withTranslation('404')(Custom404);

I still see the error @anthonyrenard

Kerim-Willem · 2020-08-26T06:53:40Z

@Dynkin, I'm also still seeing the error if I use your method!

slava-lu · 2020-08-30T19:15:01Z

I tried default props instead of getInitialProps but it did not get the message away

kefimochi · 2020-09-01T18:27:45Z

Any updates on this? 👀

isaachinman · 2020-09-07T15:07:28Z

I haven't heard any updates from the Vercel team. Not much to be done in user land.

allan2 · 2020-09-11T01:43:55Z

Feature request opened at vercel/next.js#17004

mimimimichael · 2020-10-22T15:43:08Z

New to next.js and currently fiddling around to solve the same problem.

I noticed, that if I don't have a 404.js page, it will fallback to the _error.js page to display the 404 Error and inside _error.js it is possible to use "getInitialProps".

I am using that for now as a workaround. It solves the translation problem, but it does cause another warning:

"You have added a custom /_error page without a custom /404 page. This prevents the 404 page from being auto statically optimized."

apt-exploit · 2020-10-28T02:24:52Z

The same problem is happening to me, it without getInitialProps but it doesn't work.

morjanmihail · 2020-11-23T11:08:48Z

Ok, so basically we're getting errors having and not having getInitialProps. Any workarounds for getting rid of those errors?

CalebLovell · 2021-02-12T08:12:36Z

Any updates for this? Seems crazy to not be able to translate 404s...

isaachinman · 2021-02-12T11:55:19Z

@CalebLovell As next-i18next@beta supports other data-fetching methods, this should no longer be an issue. See #869.

isaachinman · 2021-02-24T16:46:30Z

This is now possible with next-i18next@8.0.0, by using getServerSideProps on your custom error page.

kachar · 2021-05-05T13:03:07Z

I've stumbled upon this discussion but couldn't find the solution right away here, so I'm posting it for future reference:

This solution uses "next-i18next": "^8.2.0" with "next": "^10.2.0"

// pages/404.tsx
import { GetStaticProps } from 'next'
import NextErrorComponent from 'next/error'
import { useTranslation } from 'next-i18next'
import { serverSideTranslations } from 'next-i18next/serverSideTranslations'

export const getStaticProps: GetStaticProps = async ({ locale }) => {
  return {
    props: {
      ...(await serverSideTranslations(locale ?? 'en', ['common'])),
    },
  }
}

const NotFoundPage = () => {
  const { t } = useTranslation()
  return <NextErrorComponent statusCode={404} title={t('error.title')} />
}

export default NotFoundPage

nicolasconnault · 2021-05-06T08:16:09Z

I've stumbled upon this discussion but couldn't find the solution right away here, so I'm posting it for future reference:

Apparently this is supposed to work for the 500 page too, but it's not working for me :(

lauriskuznecovs · 2021-05-21T08:41:38Z

Does not work for me either

"next": "^10.2.2",
"next-i18next": "^8.3.0",

In my case I am using this into custom error page inside getInitialProps

Getting this error in terminal:

error - ./node_modules/next-i18next/dist/commonjs/serverSideTranslations.js:48:0
Module not found: Can't resolve 'fs'

----- UPDATE
According to https://github.com/isaachinman/next-i18next#serversidetranslations serverSideTranslations works only with getStaticProps or getServerSideProps but in custom error page - "pages/_error.js" there are no support for those.

vitagon · 2021-06-16T02:25:31Z

I've stumbled upon this discussion but couldn't find the solution right away here, so I'm posting it for future reference:

This solution uses "next-i18next": "^8.2.0" with "next": "^10.2.0"

// pages/404.tsx
import { GetStaticProps } from 'next'
import NextErrorComponent from 'next/error'
import { useTranslation } from 'next-i18next'
import { serverSideTranslations } from 'next-i18next/serverSideTranslations'

export const getStaticProps: GetStaticProps = async ({ locale }) => {
  return {
    props: {
      ...(await serverSideTranslations(locale ?? 'en', ['common'])),
    },
  }
}

const NotFoundPage = () => {
  const { t } = useTranslation()
  return <NextErrorComponent statusCode={404} title={t('error.title')} />
}

export default NotFoundPage

I came from google. It works! Saved my time. Thank you. Hopefully we do not need getServerSideProps on 404 page.

chrillo · 2021-10-05T15:02:42Z

I spend an afternoon fiddling with this I managed to get the following to work

import { GetServerSideProps, NextPage } from 'next';
import { SSRConfig } from 'next-i18next';
import { serverSideTranslations } from 'next-i18next/serverSideTranslations';
import React, { useEffect, useState } from 'react';
import { useTranslation, withTranslation } from 'react-i18next';
import { Footer } from '../components/footer/footer';
import { Navigation } from '../components/navigation/navigation';
import { NotFoundHero } from '../components/not-found/notFoundHero';

export type NotFoundPageProps = SSRConfig & { locale: string };

const Page404Component: NextPage<NotFoundPageProps> = ({ locale }) => {
	const { t } = useTranslation();
	const [menus, setMenus] = useState([]);
	const loadMenus = async () => {
		const res = await fetch(`/api/menus?locale=${locale}`);
		const menus = await res.json();
		setMenus(menus);
	};
	useEffect(() => {
		loadMenus();
	}, []);
	return (
		<main>
			<Navigation menus={menus} slugs={{}} />

			<NotFoundHero
				title={t('notfound.title')}
				description={t('notfound.description')}
				imageDescription={t('notfound.imageDescription')}
			/>

			<Footer menus={menus} slugs={{}} />
		</main>
	);
};

export const getStaticProps: GetServerSideProps<NotFoundPageProps> = async ({
	locale,
	preview,
}) => {
	const translations = await serverSideTranslations(locale, ['common']);

	return {
		props: {
			locale,
			...translations,
		},
	};
};

const Translated404Page = withTranslation('translations')(Page404Component);

const Page404 = (props) => {
	return <Translated404Page {...props} useSuspense={false} />;
};

export default Page404;

the important part was to use withTranslation to get the translation context and to disable suspense as it is not yet supported. basically this allows a for a fully translated 404 page with client side data fetching for additional stuff like navigation etc.

andrevenancio · 2021-11-18T20:46:35Z

This works for me. On my specific case I need to import both footer and errors locale.

import { useTranslation } from 'next-i18next';
import { serverSideTranslations } from 'next-i18next/serverSideTranslations';

export default function Custom404() {
  const { t } = useTranslation('errors');

  return (
    <div>
      <h1>404</h1>
      <p>{t('404')}</p>
    </div>
  );
}

export async function getStaticProps(context: any) {
  let localisation = {};
  if (context.locale) {
    localisation = await serverSideTranslations(context.locale, ['errors', 'footer']);
  }

  return {
    props: {
      ...localisation,
    },
  };
}

nataliagoskapracuj · 2021-11-23T09:48:37Z

This works for me. On my specific case I need to import both footer and errors locale.

import { useTranslation } from 'next-i18next';
import { serverSideTranslations } from 'next-i18next/serverSideTranslations';

export default function Custom404() {
  const { t } = useTranslation('errors');

  return (
    <div>
      <h1>404</h1>
      <p>{t('404')}</p>
    </div>
  );
}

export async function getStaticProps(context: any) {
  let localisation = {};
  if (context.locale) {
    localisation = await serverSideTranslations(context.locale, ['errors', 'footer']);
  }

  return {
    props: {
      ...localisation,
    },
  };
}

On build I get an error

Error occurred prerendering page "/pl/404". Read more: https://nextjs.org/docs/messages/prerender-error
Error: Error serializing ._nextI18Next.userConfig.i18n.reloadOnPrerender returned from getStaticProps in "/404".
Reason: undefined cannot be serialized as JSON. Please use null or omit this value.c

marcelobitorical · 2022-06-28T23:09:58Z

Any updates on this? 👀

martinharyanto · 2023-06-27T18:19:55Z

Still having this issue using "next-i18next": "^13.2.2" and "next": "13.3.1"
I try to create pages/404.tsx

import Button from '@/components/ui/Button'
import { GetStaticProps, NextPage } from 'next'
import { serverSideTranslations } from 'next-i18next/serverSideTranslations'
import Image from 'next/image'

const Custom400Page: NextPage{}> = ({}) => {
  return (
    <div className='flex flex-col items-center justify-center'>
      <Image src='/images/500.svg' alt='500 Error Icon' width={200} height={135} />
      <h1 className=''>Internal System Error</h1>
      <span>Something went wrong at our end. Back to home to refresh your page.</span>
      <Button id='back-to-home' handleClick={() => {}} text='Home' />
    </div>
  )
}

export const getStaticProps: GetStaticProps = async ({ locale }) => {
  return {
    props: {
      ...(await serverSideTranslations(locale ?? 'en', ['common'])),
    },
  }
}

export default Custom400Page

upon building the app, it shows bunch of errors:

Error occurred prerendering page "/id/404". Read more: https://nextjs.org/docs/messages/prerender-error
Error occurred prerendering page "/en/404". Read more: https://nextjs.org/docs/messages/prerender-error

info  - Generating static pages (2/2)

> Export encountered errors on following paths:
        /404: /en/404
        /404: /id/404
error Command failed with exit code 1.

HimanshuBari21 · 2024-02-19T05:59:37Z

https://nextjs.org/docs/messages/404-get-initial-props - as per the docs by next.js - they says data fetching is not allowed in 404.js/.ts page and suggest to adopt to App Router incrementally. but its not feasible for me to do this.

I need to fetch data, because options in my menu are based on user login in status and user type. and menu is also there on 404 page.

StarpTech mentioned this issue Sep 14, 2020

Is it possible to create a custom localized 404 page with this library? StarpTech/next-localization#11

Closed

isaachinman closed this as completed Feb 24, 2021

isaachinman mentioned this issue Jun 16, 2021

Impossible to translate the _error page #1020

Closed

mattvanvoorst-contentful mentioned this issue Oct 20, 2022

fix: [] translations 404 pages contentful/template-marketing-webapp-nextjs#69

Merged

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Error: `pages/404` can not have getInitialProps/getServerSideProps #677

Error: `pages/404` can not have getInitialProps/getServerSideProps #677

Danetag commented Apr 3, 2020 •

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felixmosh commented Apr 20, 2020

isaachinman commented Apr 20, 2020

RobinLebhar commented Jun 13, 2020 •

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isaachinman commented Jul 11, 2020

ghost commented Jul 21, 2020

Dynkin commented Aug 3, 2020

anthonyrenard commented Aug 20, 2020

geryit commented Aug 25, 2020

Kerim-Willem commented Aug 26, 2020

slava-lu commented Aug 30, 2020

kefimochi commented Sep 1, 2020

isaachinman commented Sep 7, 2020

allan2 commented Sep 11, 2020

mimimimichael commented Oct 22, 2020

apt-exploit commented Oct 28, 2020

morjanmihail commented Nov 23, 2020 •

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CalebLovell commented Feb 12, 2021

isaachinman commented Feb 12, 2021

isaachinman commented Feb 24, 2021

kachar commented May 5, 2021 •

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nicolasconnault commented May 6, 2021

lauriskuznecovs commented May 21, 2021 •

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vitagon commented Jun 16, 2021

chrillo commented Oct 5, 2021

andrevenancio commented Nov 18, 2021 •

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nataliagoskapracuj commented Nov 23, 2021

marcelobitorical commented Jun 28, 2022

martinharyanto commented Jun 27, 2023 •

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HimanshuBari21 commented Feb 19, 2024 •

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Error: pages/404 can not have getInitialProps/getServerSideProps #677

Error: pages/404 can not have getInitialProps/getServerSideProps #677

Comments

Danetag commented Apr 3, 2020 • edited Loading

Describe the bug

Occurs in next-i18next version

Steps to reproduce

Expected behaviour

Screenshots

OS (please complete the following information)

Additional context

felixmosh commented Apr 20, 2020

isaachinman commented Apr 20, 2020

RobinLebhar commented Jun 13, 2020 • edited Loading

isaachinman commented Jul 11, 2020

ghost commented Jul 21, 2020

Dynkin commented Aug 3, 2020

anthonyrenard commented Aug 20, 2020

geryit commented Aug 25, 2020

Kerim-Willem commented Aug 26, 2020

slava-lu commented Aug 30, 2020

kefimochi commented Sep 1, 2020

isaachinman commented Sep 7, 2020

allan2 commented Sep 11, 2020

mimimimichael commented Oct 22, 2020

apt-exploit commented Oct 28, 2020

morjanmihail commented Nov 23, 2020 • edited Loading

CalebLovell commented Feb 12, 2021

isaachinman commented Feb 12, 2021

isaachinman commented Feb 24, 2021

kachar commented May 5, 2021 • edited Loading

nicolasconnault commented May 6, 2021

lauriskuznecovs commented May 21, 2021 • edited Loading

vitagon commented Jun 16, 2021

chrillo commented Oct 5, 2021

andrevenancio commented Nov 18, 2021 • edited Loading

nataliagoskapracuj commented Nov 23, 2021

marcelobitorical commented Jun 28, 2022

martinharyanto commented Jun 27, 2023 • edited Loading

HimanshuBari21 commented Feb 19, 2024 • edited Loading

Error: `pages/404` can not have getInitialProps/getServerSideProps #677

Error: `pages/404` can not have getInitialProps/getServerSideProps #677

Danetag commented Apr 3, 2020 •

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RobinLebhar commented Jun 13, 2020 •

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morjanmihail commented Nov 23, 2020 •

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kachar commented May 5, 2021 •

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lauriskuznecovs commented May 21, 2021 •

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andrevenancio commented Nov 18, 2021 •

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martinharyanto commented Jun 27, 2023 •

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HimanshuBari21 commented Feb 19, 2024 •

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