# \#mjs **URL:** https://help.nextcloud.com/tag/mjs/506.md [Latest](https://help.nextcloud.com/latest.md) · [Categories](https://help.nextcloud.com/categories.md) · [Tags](https://help.nextcloud.com/tags.md) --- ## [Yunohost -- Webserver does not serve \`.mjs\` files](https://help.nextcloud.com/t/yunohost-webserver-does-not-serve-mjs-files/238780)
**Author:** [@folaht](https://help.nextcloud.com/u/folaht)\ **Replies:** 1\ **Last updated:** [February 12, 2026, 6:14pm UTC](https://help.nextcloud.com/t/yunohost-webserver-does-not-serve-mjs-files/238780 "2026-02-12T18:14:49Z")
The Basics Nextcloud Server version (e.g., 29.x.x): 32.0.4 Operating system and version (e.g., Ubuntu 24.04): Yunohost / Debian Web server and version (e.g, Apache 2.4.25): nginx? Reverse proxy and version \_(e… --- ## [Ihr Webserver liefert \`.mjs\`-Dateien nicht mit dem JavaScript MIME-Typ](https://help.nextcloud.com/t/ihr-webserver-liefert-mjs-dateien-nicht-mit-dem-javascript-mime-typ/212494)
**Author:** [@jomoku](https://help.nextcloud.com/u/jomoku)\ **Replies:** 5\ **Last updated:** [December 17, 2024, 8:30pm UTC](https://help.nextcloud.com/t/ihr-webserver-liefert-mjs-dateien-nicht-mit-dem-javascript-mime-typ/212494 "2024-12-17T20:30:49Z")
▶ Support intro Some or all of the below information will be requested if it isn’t supplied; for fastest response please provide as much as you can. :heart: The Basics Nextcloud Server version (e.g., 29.x.x): \[Nextclou… --- ## [404 when checking esm-test.mjs existence (Apache). Your webserver is not set up to serve \`.js.map\` files](https://help.nextcloud.com/t/404-when-checking-esm-test-mjs-existence-apache-your-webserver-is-not-set-up-to-serve-js-map-files/206150)
**Author:** [@junior466](https://help.nextcloud.com/u/junior466)\ **Replies:** 1\ **Last updated:** [October 6, 2024, 3:42pm UTC](https://help.nextcloud.com/t/404-when-checking-esm-test-mjs-existence-apache-your-webserver-is-not-set-up-to-serve-js-map-files/206150 "2024-10-06T15:42:59Z")
I have the following errors in my log: There are some warnings regarding your setup. Your webserver is not set up to serve \`.js.map\` files. Without these files, JavaScript Source Maps won't function properly, makin… --- ## [Could not check for JavaScript support. Please check manually if your webserver serves \`.mjs\` files using the JavaScript MIME type with other errors as per shows in picture](https://help.nextcloud.com/t/could-not-check-for-javascript-support-please-check-manually-if-your-webserver-serves-mjs-files-using-the-javascript-mime-type-with-other-errors-as-per-shows-in-picture/186893)
**Author:** [@Milan\_Patel](https://help.nextcloud.com/u/Milan_Patel)\ **Replies:** 7\ **Last updated:** [July 28, 2024, 9:17pm UTC](https://help.nextcloud.com/t/could-not-check-for-javascript-support-please-check-manually-if-your-webserver-serves-mjs-files-using-the-javascript-mime-type-with-other-errors-as-per-shows-in-picture/186893 "2024-07-28T21:17:51Z")
Support introSorry to hear you’re facing problems :slightly\_frowning\_face: help.nextcloud.com is for home/non-enterprise users. If you’re running a business, paid support can be accessed via portal.nextcloud.com where … --- ## [Mjs-warning after Nextcloud Update](https://help.nextcloud.com/t/mjs-warning-after-nextcloud-update/181578)
**Author:** [@Simon\_Felder](https://help.nextcloud.com/u/Simon_Felder)\ **Replies:** 11\ **Last updated:** [June 26, 2024, 2:20pm UTC](https://help.nextcloud.com/t/mjs-warning-after-nextcloud-update/181578 "2024-06-26T14:20:22Z")
Dear Community My Nexcloud runs in a Docker-Container on an Ubuntu 22.04 Server behind an NGINX-ReverseProxy. I’m using the docker-image nexcloud:latest, so i think i’m using apache (Sorry, i don’t know, where i can fi… --- ## [Nextcloud broken after adding mime types (js mjs)](https://help.nextcloud.com/t/nextcloud-broken-after-adding-mime-types-js-mjs/190884)
**Author:** [@omoan](https://help.nextcloud.com/u/omoan)\ **Replies:** 1\ **Last updated:** [May 7, 2024, 8:32pm UTC](https://help.nextcloud.com/t/nextcloud-broken-after-adding-mime-types-js-mjs/190884 "2024-05-07T20:32:49Z")
Server Management: Plesk Obsidian v18.0.60 Nextcloud version (eg, 20.0.5): 28.0.3 Operating system and version (eg, Ubuntu 20.04): Ubuntu 20.04.6 Apache or nginx version (eg, Apache 2.4.25): nginx/1.24.0 PHP versio… --- ## [DNS errors and Could not check for JavaScript support in docker instance](https://help.nextcloud.com/t/dns-errors-and-could-not-check-for-javascript-support-in-docker-instance/188438)
**Author:** [@Apfelwurm](https://help.nextcloud.com/u/Apfelwurm)\ **Replies:** 3\ **Last updated:** [April 19, 2024, 7:24pm UTC](https://help.nextcloud.com/t/dns-errors-and-could-not-check-for-javascript-support-in-docker-instance/188438 "2024-04-19T19:24:56Z")
Hey together! I recently took over the administration of an old NC 18 installation, which i migrated to a new server and into a docker setup. After that i upgraded every major to the current stable. At first glance ever… --- ## [Could not check for JavaScript support. Please check manually if your webserver serves \`.mjs\` files using the JavaScript MIME type](https://help.nextcloud.com/t/could-not-check-for-javascript-support-please-check-manually-if-your-webserver-serves-mjs-files-using-the-javascript-mime-type/182321)
**Author:** [@Anders\_Yuran](https://help.nextcloud.com/u/Anders_Yuran)\ **Replies:** 20\ **Last updated:** [March 20, 2024, 1:37am UTC](https://help.nextcloud.com/t/could-not-check-for-javascript-support-please-check-manually-if-your-webserver-serves-mjs-files-using-the-javascript-mime-type/182321 "2024-03-20T01:37:53Z")
Support introSorry to hear you’re facing problems :slightly\_frowning\_face: help.nextcloud.com is for home/non-enterprise users. If you’re running a business, paid support can be accessed via portal.nextcloud.com where … --- ## [Your webserver does not serve \`.mjs\` files using the JavaScript MIME type](https://help.nextcloud.com/t/your-webserver-does-not-serve-mjs-files-using-the-javascript-mime-type/184255)
**Author:** [@BenBenna](https://help.nextcloud.com/u/BenBenna)\ **Replies:** 2\ **Last updated:** [March 10, 2024, 6:05pm UTC](https://help.nextcloud.com/t/your-webserver-does-not-serve-mjs-files-using-the-javascript-mime-type/184255 "2024-03-10T18:05:26Z")
Nach dem update von 28.02 auf 28.03. erhielt ich diese Fehlermeldung: “Your webserver does not serve .mjs files using the JavaScript MIME type.” Welche Gefahren drohen jetzt? Danke Ich habe include mime.types; type… --- ## [Solved - Empty Logs when check Admin Overview](https://help.nextcloud.com/t/solved-empty-logs-when-check-admin-overview/177416)
**Author:** [@phreatic](https://help.nextcloud.com/u/phreatic)\ **Replies:** 16\ **Last updated:** [February 4, 2024, 11:37am UTC](https://help.nextcloud.com/t/solved-empty-logs-when-check-admin-overview/177416 "2024-02-04T11:37:25Z")
Edit, solved by 2 posts, but I can only flag one. Many thanks to all concerned. Hi, When I run the Administration Overview, it tells me that there are 44 (increasing) errors and to check for errors and warnings in the…