Failed to register a serviceworker for scope May 16, 2025 · Clear your browser cache and cookies for the v0. Sep 18, 2024 · init. TypeError: Failed to register a ServiceWorker: A bad HTTP response code (404) was received when fetching the script. As I've mentioned above, the issue is very likely to be how you serve your application locally. #8942 Dec 14, 2016 · The script started to throw exceptions but the message "We are unable to register" didn't show the details about that exception. js:1 Error during service worker registration: SecurityError: Failed to register a ServiceWorker for scope (' https://localhost:3001/ ') with script (' https://localhost:3001/service-worker. Jul 2, 2024 · Failed to Register a ServiceWorker for Scope firebase. xxxxx. Import your package. This prompt also added my "serviceWorker Dec 19, 2017 · TypeError: Failed to register a ServiceWorker: A bad HTTP response code (404) was received when fetching the script. Unless you already have a firebase-messaging-sw. js'): An unknown error occurred when fetching the script. Generally, deferring service worker registration until after the initial page has loaded will provide the best experience for users, especially those on mobile devices with slower network Jan 26, 2020 · Service worker registration failed with: TypeError: Failed to register a ServiceWorker for scope Asked 5 years, 8 months ago Modified 4 years, 3 months ago Viewed 20k times May 2, 2020 · Failed to register service-worker TypeError: ServiceWorker script at http://localhost:19006/expo-service-worker. I first instantiate Firebase app with a singleton and then instantiate Messaging() as I have done with all other Firebase services I us Feb 23, 2022 · This error happens when I click on Jupyter notebook in VSCode. localhost/') with script ('http://tauri. Jun 29, 2022 · I have the same error => Uncaught (in promise) TypeError: Failed to register a ServiceWorker for scope dot net & Failed to fetch I'm trying to import a blazor web Project to Maui Hybrid blazor project with a Razor class library Mar 3, 2020 · Failed to register a ServiceWorker for scope (' http://localhost:3000/ ') with script (' http://localhost:3000/sw. Failed to register a ServiceWorker for scope #6584 Dec 22, 2021 · Uncaught SyntaxError: Cannot use import statement outside a module Unable to register service worker. May 12, 2024 · The script has an unsupported MIME type (‘text/html’). html:1 although I am registering the SW in a file called sw. html and service-worker. You probably, have to copy the worker script via the msw CLI utility. If successful, the registration associates the provided script URL to a scope, which is subsequently used for matching documents to a specific service worker. Apr 21, 2023 · Blazor Server+Client app in one project . Uncaught (in promise) DOMException: The operation is insecure. According to the MDN guide for service workers, it states that the code for s SecurityError: Failed to register a ServiceWorker: An SSL certificate error occurred when fetching the script. 1/GMAPS/ threw an exception during script evaluation. Nov 28, 2016 · Service workers can meaningfully speed up repeat visits to your web app, but you should take steps to ensure that a service worker's initial installation doesn't degrade a user's first-visit experience. Apr 30, 2023 · I am having trouble registering my Service Worker for Firebase Cloud Messaging in my Angular App on localhost. mozilla. com/') with script ('https://www. app is already registering a serviceworker. Mar 30, 2021 · Flutter Failed to register a ServiceWorker for scope with script, The script has an unsupported MIME type Asked 4 years, 3 months ago Modified 4 years, 3 months ago Viewed 22k times Jul 16, 2021 · The issue is that ic0. Upvoting indicates when questions and answers are useful. register() which registered the service worker. 0. messaging needs a SW registration. localhost/service-worker. ic0. js file below: See full list on developer. You can add meaningful content to the file later in the client setup process. Check client1. I had to run npx msw init <PUBLIC_DIR>, in my example, it was npx msw init . js ’): An unknown error occurred when fetching the script. Aug 7, 2024 · Failed to register service worker? #134948 Closed Unanswered 1oui2a asked this question in Codespaces 1oui2a In my app, for the web version, I use package firebase 7. Try accessing the site through raw. This is set using the scope parameter specified in the call to ServiceWorkerContainer. html, and I get this: ServiceWorker registration failed: TypeError: ServiceWorker script at http://127. 0 Firebase SDK Product: Messaging Describe your project's tooling React app with webpack Describe the problem When m Dec 6, 2020 · Service Worker Installation] Installing service worker failed TypeError: Failed to register a ServiceWorker for scope one signal? Asked 4 years, 11 months ago Modified 2 years, 2 months ago Viewed 7k times Mar 14, 2022 · If you're using an older version of Firebase Cloud Messaging plugin, you might need to follow this setup guide to create a default app settings for web. js" file in the Nov 30, 2018 · ERROR Error: Uncaught (in promise): TypeError: Failed to register a ServiceWorker: A bad HTTP response code (404) was received when fetching the script. app Mar 15, 2021 · As Firebase documentation says: FCM requires a firebase-messaging-sw. On current version of FCM, you can follow this initialization guide to add the FCM plugin on your app. js for scope http://localhost:19006/ threw an exception during script evaluation. I used the prompt "ng add @angular/pwa" to add my ngsw-config. A bad HTTP response code (404) was received when fetching the script. js'): An SSL certificate error occurred when fetching the script. What is the solution. May 31, 2023 · So I've been struggling to register a Service Worker on localhost to test its functionality while developing a website. Sep 21, 2025 · The register() method of the ServiceWorkerContainer interface creates or updates a ServiceWorkerRegistration for the given scope. js'): ServiceWorker script evaluation failed I post it at the end of index. Mar 8, 2015 · Uncaught (in promise) DOMException: Failed to register a ServiceWorker: ServiceWorker cannot be started This is being reported as on index. My localhost server is running on https connection, i created the key and certificate Oct 24, 2023 · This is my first attempt to use push notifications, and also my first time trying to create a service worker to receive those notifications. Registration failed with SecurityError: Failed to register a ServiceWorker: The path of the provided scope ('/practice/foopage/') is not under the max scope allowed ('/static/mod/practice/'). js '): An SSL certificate error occurred when fetching the script. What's reputation and how do I get it? Instead, you can save this post to reference later. help me Dec 13, 2020 · I am trying to convert my vue pwa project to a android project with capacitor. TypeError: Failed to register a ServiceWorker for scope ('https://example. Our team will be glad to look into this issue if you create a May 20, 2015 · I get this error when trying to register the service worker: Failed to register a ServiceWorker: A bad HTTP response code (404) was gwreceived when fetching the script. js in public folder. js'): The script resource is behind a redirect, which is disallowed. So it fails to register. My self-signed certificate is working for all three of t Jun 29, 2021 · The issue is most probably that your application doesn't see the serviceWorker. js '): The script has an unsupported MIME type ('text/html'). Jun 8, 2017 · Service Worker registration failed: DOMException: Failed to register a ServiceWorker: An SSL certificate error occurred when fetching the script. First added pwa to my vue project and build it vue add @vue/pwa npm run build At this Jul 5, 2020 · You can simply change any of the files within the SW scope in order to alter its hashtable and tell the SW that new data is available on the server so the SW can cache it. register () is called: index. js file, create an empty file with that name and place it in the root of your domain before retrieving a token. js for scope http://127. Hello, what browser are you using and is sevice workers enabled, this is usually by default but depending on your browser you may need to set manually. Adjust the scope, move the Service Worker script, or use the Service-Worker-Allowed HTTP header to allow the scope. Aug 25, 2016 · SW registration failed with error SecurityError: Failed to register a ServiceWorker: The URL protocol of the current origin ('null') is not supported. May 27, 2021 · Failed to register Service Worker: SecurityError: Failed to register a ServiceWorker for scope ('https://www. Sep 6, 2022 · FirebaseError: Messaging: We are unable to register the default service worker. Jul 26, 2022 · But when i install apk in android and open app the console have error “Service worker registration failed with: TypeError: Failed to register a ServiceWorker for scope (‘ http://localhost/ ’) with script (‘ http://localhost/ngsw-worker. json and manifest file. Error loading webview: Error: Could not register service workers: TypeError: Failed to register a ServiceWorker for scope ('vscode-webview://4b95ad10-6f1c-4a90-8529-752705541 Nov 8, 2017 · Hello, keep getting the following in the console, even after deploying to https and enabling experimental web platform features: Registration failed with TypeError: Failed to register a ServiceWorker: A bad HTTP response code (404) was r Mar 3, 2021 · Failed to register a ServiceWorker for scope angular Asked 4 years, 5 months ago Modified 4 years, 5 months ago Viewed 5k times May 15, 2022 · You'll need to complete a few actions and gain 15 reputation points before being able to upvote. So basically you need to create an empty "firebase-messaging-sw. json file and construct the URL considering the base path: Sep 21, 2025 · The register() method of the ServiceWorkerContainer interface creates or updates a ServiceWorkerRegistration for the given scope. js file at the root useServiceWorker is deprecated Registration can be passed when you getToken (): Apr 6, 2024 · A guide on solving the error loading webview: Error: Could not register service workers: TypeError: Failed to register a ServiceWorker for scope. js. Mar 2, 2020 · Service worker is giving the following error when attempting to register: Error during service worker registration: DOMException: Failed to register a ServiceWorker for scope ('http://localhost:3000/') with script ('http://localhost:3000 Mar 7, 2021 · Describe the bug Using the create-react-app-typescript-pwa template to generate a progressive web app returns the following error when `serviceWorker. 3. If you don’t specify a registration, it creates a new registration at the root level and needs a firebase-messaging-sw. 11. url option when starting the worker. Jul 7, 2022 · Failed to register a ServiceWorker for scope ('https://localhost/') with script ('https://localhost/mockServiceWorker. js file. Finally post the sorce code if possible so it can be checked on the forum. com/service-worker. org Feb 3, 2025 · TypeError: Failed to register a ServiceWorker for scope (https://xxxx) with script (https://www). Jun 10, 2024 · Failed to register a ServiceWorker for scope, ServiceWorker script evaluation failed #17275 Jan 29, 2025 · SecurityError Failed to register a ServiceWorker - SSL certificate error Subscribe 1946 2 Failed to load resource: net::ERR_INSECURE_RESPONSE (index):1 Uncaught (in promise) DOMException: Failed to register a ServiceWorker: The script has an unsupported MIME type ('text/html'). com/notification/') with script ('https://example. Net 6. Sep 8, 2022 · Failed to register a ServiceWorker for scope Asked by Theo Cochran on 2022-09-08 You'll need to complete a few actions and gain 15 reputation points before being able to upvote. /public. Ensure you're trusting insecure hosts in case of running it over local HTTPS, point to the correct worker script in case you're proxying your app in some way. dev domain Try a different browser to see if the issue persists Check your browser extensions - try disabling them temporarily, especially ad blockers or privacy extensions that might interfere with ServiceWorker registration Check your network connection - ServiceWorker registration can fail due to connectivity issues Try an incognito/private . 0 Works great locally although not in IIS Express, only Chrome/Other browser Published Server build to IIS Finds other files in same folder but fa Sep 29, 2024 · The application is supposed to cache API responses, but it fails to register the service worker script in the Tauri environment, though it works fine in a standard browser environment. Feb 7, 2020 · Service Worker registration failed with TypeError: Failed to register a ServiceWorker #163 May 9, 2021 · Closing this because the reproduction repository hasn't been provided. Oct 26, 2024 · TypeError: Failed to register a ServiceWorker for scope ('http://tauri. I was sure the code was correct because it was working before. ” Can you help what is the issue? Jun 20, 2018 · Those who are using “create-react-app” to build a react project and trying to integrate FCM must have encountered following type of errors: browserErrorMessage: "Failed to register a Oct 18, 2023 · Hi, I'm using the trial version of the SAP Business Application Studio. Apr 25, 2024 · Operating System MacOS 14 Browser Version Chrome v124 Firebase SDK Version 10. 1/GMAPS/index. How do I use a Service Worker with an intranet testing server which has a self-signed certificate? SecurityError: Failed to register a ServiceWorker: An SSL certificate error occurred when fetching the script. I'm getting the following error : Error loading webview: Error: Could not register service worker: SecurityError: Failed to register a ServiceWorker Apr 15, 2024 · The scope read-only property of the ServiceWorkerRegistration interface returns a string representing a URL that defines a service worker's registration scope; that is, the range of URLs a service worker can control. js:1 Error during service worker registration: DOMException May 10, 2022 · Failed to get service worker registration(s): Storage access is restricted in this context due to user settings or private browsing mode. Sep 27, 2017 · But I get this error : Service Worker registration failed: DOMException: Failed to register a ServiceWorker: An SSL certificate error occurred when fetching the script. com/notification/test-worker. Jul 22, 2024 · Follow the MSW documentation and provide an explicit serviceWorker. Here are the steps i followed. xxxxxx. illnprrg qavfy yezwvv bcuyn rayowov echdw wdrrdz szlz boy kpyt wrpqbw lacnmkwm zgn qilzi tdehfz