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Uncaught (in promise) TypeError: Request failed

I am creating a Progressive Web App for a university project, but when I checked the console I have this error:

Uncaught (in promise) TypeError: Request failed – serviceworker.js:1

I don’t understand where this error is coming from.

The HTML and CSS are showing on as expected, but when I do a PWA audit from the Chrome Dev Tools, it’s showing these failures. They are ‘no service worker’, ‘no 200 when offline’ and ‘user not prompted to install web app’.

Any help is appreciated!

Thanks in advance! 

*{
  padding: 0;
  margin: 0;
  font-family: "Roboto", sans-serif;
  color: #4E5863;
}

.indexLogo{
  height: 180px;
  text-align: center;
  padding: 36px 0;
  border-bottom: 1px solid #E5E9F2;
}

.intuPotteriesLogo, .manchesterAirportLogo{
  width: 252px;
  height: auto;
}

.indexTitle{
  text-align: center;
  padding: 36px 0;
  font-weight: 500;
  border-bottom: 1px solid #E5E9F2;
  font-size: 24px;
}

header{
  width: 100%;
  text-align: center;
}

#headerStokeCityOfCulture{
  width: 100%;
}

#container{
  width: 100%;
  text-align: center;
}

.hotLinks{
  border: 2px solid #ABB5C3;
  width: 22%;
  margin: 10px 10px;
  display: inline-block;
}

.hotLinksLogos{
  width: 100%;
}

.hotLinksTitle{
  text-align: center;
  padding: 10px;
  border-top: 2px solid #ABB5C3;
}

.searchBarContainer{
  text-align: center;
  padding: 20px 0;
  border-bottom: 1px solid #E5E9F2;
}

.searchBox{
  width: 90%;
  height: 30px;
  font-size: 18px;
  text-align: center;
  background-color: #E5E9F2;
  border: none;
  color: black;
}

.bookingItem{
  width: 100%;
  padding: 20px 0;
  border-bottom: 1px solid #E5E9F2;
  text-decoration: none;
  font-size: 20px;
}

.bookingItemIcon{
  height: 60px;
}

.bookingItemLeft{
  width: 25%;
  display: inline-block;
  text-align: center;
  vertical-align: middle;
}

.bookingItemRight{
  width: 65%;
  display: inline-block;
  vertical-align: middle;
  padding-left: 15px;
}

.bookingTitle{
  font-size: 20px;
  font-weight: 500;
}

.bookingAddress{
  font-size: 18px;
  font-weight: 400;
}

#searchPageContainer{
  height: 1200px;
  background-color: #F7F8F8;
  text-align: center;
}

.searchIdeas{
  padding: 10px;
  color: #515B64;
}

.searchIdeasFirstItem{
  padding-top: 40px;
}

.profileContainer{
  border-bottom: 1px solid #E5E9F2;
}

.profilePictureContainer{
  text-align: center;
  padding: 20px;
  display: inline-block;
}

#profilePicture{
  height: 100px;
}

#userName{
  padding-top: 5px;
}

.profileDetailsContainer{
  display: inline-block;
  vertical-align: top;
  padding: 20px;
  width: 55%;
}

#fullUserName{
  padding-bottom: 5px;
}

#usersHometown{
  padding-bottom: 15px;
}

.tripsFriendsPhotosContainer{
  width: 40%;
  display: inline-block;
}

.recentTripLogos{
  border: 2px solid #ABB5C3;
  width: 42%;
  margin: 20px 0 0 20px;
  display: inline-block;
}

fieldset{
  margin: 20px;
  border: none;
}

input[type=text]{
    width: 80%;
    padding: 10px;
    margin: 10px 0;
    display: inline-block;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

input[type=radio]{
  margin: 10px 0;
}

label{
  padding-right: 10px;
}

textarea{
  width: 80%;
  padding: 10px;
  margin: 10px 0;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.formTitles{
  font-size: 20px;
  font-weight: 500;
}

#reviewInstructions{
  margin: 20px;
}

#submitButton{
  border-radius: 10px;
  padding: 10px;
  background-color: #48525E;
  color: white;
}

footer{
  width: 100%;
  text-align: center;
  border: 2px solid #ABB5C3;
  background-color: white;
  clear: both;
}

.footerLinks{
  display: inline-block;
  padding: 20px;
  text-decoration: none;
  color: black;
}

.footerIcons{
  height: 30px;
}

.discoverContainer, .discoverDescription, .discoverDirections, .discoverTitle, .discoverDirectionsTitle, .discoverReviewHeading,
.discoverReview, .discoverReviewTitle, .discoverContentPhotos, .bookingQrCodesContainer, .profileContainer, .container{
  width: 90%;
  margin: 0 auto;
}

.discoverContainer, .bookingQrCodesContainer, .profileContainer{
  text-align: center;
  margin-bottom: 20px;
}

.discoverPhotos{
  width: 40%;
}

.recentTripsContainer a img{
  width: 25%;
}

h1{
  font-size: 20px;
  padding: 10px 0;
}

h2{
  font-size: 16px;
}





@media screen
  and (max-width: 600px) {

  .profileContainer, .container{
    text-align: left;
    width: 100%;
  }

  body{
    margin-bottom: 70px;
  }

  .hotLinks{
    border: 2px solid #ABB5C3;
    width: 43%;
    margin: 20px 10px;
    display: inline-block;
  }

  .footerLinks{
    display: inline;
    padding: 0;
  }

  .footerIconsContainer{
    display: inline-block;
    text-align: center;
    width: 24%;
  }

  .footerIcons{
    height: 20px;
    padding: 10px 0 0;
  }

  .footerIconText{
    font-size: 16px;
    padding: 5px;
  }

  footer{
    width: 100%;
    text-align: center;
    border: 2px solid #ABB5C3;
    background-color: white;
    clear: both;
    position: fixed;
    bottom: 0;
  }

  .discoverContainer{
    width: 100%;
    text-align: center;
  }

  .discoverLogo{
    padding: 20px 10px;
    width: 40%;
    float: left;
  }

  .discoverAddress{
    padding: 20px;
    font-size: 20px;
    font-weight: 500;
  }

  .discoverDescription, .discoverDirections, .discoverReview{
    clear: both;
    padding: 0 20px;
  }

  .discoverDirectionsTitle, .discoverTitle, .memberSinceTitle, .reviewsTitle{
    font-size: 18px;
    font-weight: 500;
    padding: 20px 20px 0 20px;
  }

  .discoverReviewTitle{
    font-size: 16px;
    font-weight: 500;
    padding: 10px 20px 0 20px;
  }

  #map{
    width: 90%;
    height: 600px;
    margin: 20px auto;
    background-color: grey;
  }

  .discoverContentPhotos{
    width: 100%;
    text-align: center;
  }

  .discoverTitle{
    text-align: left;
  }

  .discoverPhotos{
    width: 46%;
    padding-top: 10px;
  }

  .bookingQrCodesContainer{
    text-align: center;
    padding-bottom: 30px;
  }

  .aboutUserTitle{
    font-size: 20px;
    padding-top: 20px;
  }

  .aboutUserText, .aboutUserTitle, .usersReview{
    padding-left: 20px;
    padding-right: 20px;
  }

  .reviewTitles{
    font-size: 16px;
    font-weight: 500;
    padding: 0 20px;
  }

  #submitReviewsButton{
    margin: 10px 0 0 20px;
    border-radius: 10px;
    padding: 10px;
    background-color: #48525E;
    color: white;
  }

  .reviewForm{
    margin-left: 20px;
  }

  #todaysWeatherTitle{
    margin-bottom: 15px;
  }

  #container-openweathermap-widget-12 > div{
    margin: 0 auto 100px;
  }

  .weather-left-card__wind, .weather-left-card__link, .weather-left-card__links span, .weather-left-card__rising{
    font-size: 16px !important;
  }
}
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="theme-color" content="#000000">
    <meta name="description" content="An application to learn about Stoke on Trent's events and places to visit!">
    <title>Voyage App</title>
    <link rel="stylesheet" href="style.css">
    <link rel="manifest" href="manifest.json">
    <link rel="icon" type="image/png" href="images/favicons.ico/favicon.ico" />
  </head>
  <body>
    <header>
      <h1 class="indexTitle">Discover Stoke-on-Trent</h1>
    </header>
    <picture id="headerStokeCityOfCulture">
      <source class="full-width" media="(min-width: 600px)" srcset="images/cityOfCulture-large.jpg">
      <source class="full-width" media="(min-width: 420px)" srcset="images/cityOfCulture-medium.jpg">
      <img src="images/cityOfCulture-small.jpg" alt="Stoke City of Culture" style="width:100%;">
    </picture>
    <div id="container">
      <a href="intupotteries.html">
        <div class="hotLinks">
          <img class="hotLinksLogos" src="images/intuPotteries.jpg" alt="intu Potteries Shopping Centre Logo">
          <h4 class="hotLinksTitle">intu Potteries</h4>
        </div>
      </a>
      <a href="emmabridgewater.html">
        <div class="hotLinks">
          <img class="hotLinksLogos" src="images/emmaBridgewater.jpg" alt="Emma Bridgewater Pottery Logo">
          <h4 class="hotLinksTitle">Emma Bridgewater</h4>
        </div>
      </a>
      <a href="altontowers.html">
        <div class="hotLinks">
          <img class="hotLinksLogos" src="images/altonTowers.jpg" alt="Alton Towers Theme Park Logo">
          <h4 class="hotLinksTitle">Alton Towers</h4>
        </div>
      </a>
      <a href="trenthamEstate.html">
        <div class="hotLinks">
          <img class="hotLinksLogos" src="images/trenthamEstate.jpg" alt="Trentham Estate Logo">
          <h4 class="hotLinksTitle">Trentham Estate</h4>
        </div>
      </a>
      <a href="bet365.html">
        <div class="hotLinks">
          <img class="hotLinksLogos" src="images/bet365.jpg" alt="Bet365 Stadium Logo - The home of Stoke City Football Club">
          <h4 class="hotLinksTitle">Bet365 Stadium</h4>
        </div>
      </a>
      <a href="freeportTalke.html">
        <div class="hotLinks">
          <img class="hotLinksLogos" src="images/freeportTalke.jpg" alt="Freeport Talke Shopping Centre Logo">
          <h4 class="hotLinksTitle">Freeport Talke</h4>
        </div>
      </a>
      <h4 id="todaysWeatherTitle">Todays Weather</h4>
      <div id="weatherContainer"></div>
    </div>
    <footer>
      <a class="footerLinks" href="index.html">
        <div id="discover" class="footerIconsContainer">
          <img class="footerIcons" src="images/binoculars.jpg" alt="Binoculars icon">
          <p class="footerIconText">Discover</p>
        </div>
      </a>
      <a class="footerLinks" href="bookings.html">
        <div id="bookings" class="footerIconsContainer">
          <img class="footerIcons" src="images/ticket.jpg" alt="Binoculars icon">
          <p class="footerIconText">Bookings</p>
        </div>
      </a>
      <a class="footerLinks" href="search.html">
        <div id="search" class="footerIconsContainer">
          <img class="footerIcons" src="images/search.jpg" alt="Binoculars icon">
          <p class="footerIconText">Search</p>
        </div>
      </a>
      <a class="footerLinks" href="account.html">
        <div id="account" class="footerIconsContainer">
          <img class="footerIcons" src="images/person.jpg" alt="Binoculars icon">
          <p class="footerIconText">Account</p>
        </div>
      </a>
    </footer>
    <script>
      if ('serviceWorker' in navigator) {
          navigator.serviceWorker.register('serviceworker.js').then(function(registration) {
          console.log('Service worker registered successfully', registration);
        }).catch(function(err) {
          console.log('Service worker registration failed: ', err);
        });
      };
    </script>
    <script src="https://www.gstatic.com/firebasejs/4.10.0/firebase.js"></script>
    <script src="serviceworker.js"></script>
    <script src="scripts.js"></script>
  </body>
</html>

var cache_name = 'gih-cache';
var cached_urls = [
  'offline.html',
  'fourohfour.html',
  'account.html',
  'altontowers.html',
  'bet365.html',
  'booking-altonTowers.html',
  'booking-manchesterAirport.html',
  'booking-northStaffsHotel.html',
  'bookings.html',
  'emmabridgewater.html',
  'freeportTalke.html',
  'index.html',
  'intupotteries.html',
  'search.html',
  'trenthamEstate.html',
  'style.css'
];

self.addEventListener('install', function(event) {
  event.waitUntil(
    caches.open(cache_name)
    .then(function(cache) {
      return cache.addAll(cached_urls);
    })
  );
});

self.addEventListener('activate', function(event) {
  event.waitUntil(
    caches.keys().then(function(cacheNames) {
      return Promise.all(
        cacheNames.map(function(cacheName) {
          if (cacheName.startsWith('pages-cache-') && staticCacheName !== cacheName) {
            return caches.delete(cacheName);
          }
        })
      );
    })
  );
});

self.addEventListener('fetch', function(event) {
    console.log('Fetch event for ', event.request.url);
    event.respondWith(
      caches.match(event.request).then(function(response) {
        if (response) {
          console.log('Found ', event.request.url, ' in cache');
          return response;
        }
        console.log('Network request for ', event.request.url);
        return fetch(event.request).then(function(response) {
          if (response.status === 404) {
            return caches.match('fourohfour.html');
          }
          return caches.open(cached_urls).then(function(cache) {
           cache.put(event.request.url, response.clone());
            return response;
          });
        });
      }).catch(function(error) {
        console.log('Error, ', error);
        return caches.match('offline.html');
      })
    );
  });

Advertisement

Answer

Remove this line:

<script src="serviceworker.js"></script>

You’re not supposed to include your SW as a script in the page. You’re only supposed to interact with it by calling the navigator.serviceWorker.register() as you do in your script above.

Lighthouse is not reporting it but I’m making sure: you’re serving the website overt HTTPS right?

ata
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