404.html

---
layout: error
title: Page not found
---

<!-- TEMP -->

<!-- Reload page -->
<script data-prettify-ignore>

  function redirectFrom404(theLocation) {
    // trailing slash
    if (theLocation.pathname[theLocation.pathname.length - 1] === '/') {
      return `${theLocation.pathname.slice(0, -1)}${theLocation.search}${theLocation.hash}`;
    }

    // trailing /index.html
    if (theLocation.pathname.indexOf('/index.html') > -1) {
      return `${theLocation.pathname.replace('/index.html', '')}${theLocation.search}${theLocation.hash}`;
    }

    return null;
  }

  function is404(err) {
    if (err) {
      window.Sentry.captureException(err, {
        tags: {
          section: '404'
        }
      });
    }
    else {
      window.Sentry.captureMessage(location.href, {
        tags: {
          section: '404'
        }
      });
    }

    // error message
    document
      .getElementById('error-404')
      .classList.remove("hide");

    // latest documentation link
    if (window
        .location
        .href
        .includes('/docs/')) {
      document
        .getElementById('notfound-docs')
        .classList.remove("hide");
    }
  }

  window.addEventListener('DOMContentLoaded', () => {
    var redirectToUrl = redirectFrom404(window.location);

    // Trailing slash
    if (redirectToUrl) {
      fetch(redirectToUrl, {
        method: 'HEAD'
      }).then(() => {
        try {
          window.location.replace(redirectToUrl);
        } catch (err) {
          window.location.href = redirectToUrl;
        } finally {
          window.history.replaceState({}, '', redirectToUrl);
        }
      }).catch((err) => {
        is404(err);
      });
    }
    // 404
    else {
      is404();
    }
  });

</script>

<script>
  /**
   * Lops off the last point so that point releases will overwrite (i.e., update) the
   * existing docs for that major release. So docs for 40.3 will update the existing docs for 40.
   * @param {String} version
   * @returns {String}
   */
  function squashVersion(version) {
    const versionPattern = new RegExp(/v\d+\.\d+\./);
    if (version.search(versionPattern) < 0) {
      return version;
    }
    else {
      return version
        .split('.')
        .slice(0, 2)
        .join('.');
    }
  }

  // Redirect EE versions to latest
  if (window
      .location
      .href
      .includes('/docs/v1.')) {
    window.location.replace(window
      .location
      .href
      .replace(/docs\/v1\.[^\/]+/, 'docs/latest'));
  }

  // Redirect links to old docs versions (v0.x.x) to the corresponding major version.
  // E.g., v0.40.2 or v0.40.0-SNAPSHOT to v0.40
  const pointVersionFormat = new RegExp(/\/docs\/v\d+\.\d+\.[^\/]+/);
  const version = window
    .location
    .href
    .match(pointVersionFormat);
  if (version && version.length > 0) {
    const majorVersion = squashVersion(version[0]);
    window.location.replace(window
      .location
      .href
      .replace(version, majorVersion));
  }
</script>

<div class="text-center">
  <img
  height="128"
  src="/images/not_found.svg"
  width="128"
  title="Not found" />

  <div id="error-404" class="text-center hide">
    <h1 class="fs-5 m-0 mt-3">We're a little lost...</h1>
    <p class="m-0 mt-2">The page you asked for couldn't be found</p>
    <div class="align-center d-flex flex-column justify-center mt-7 w-100">
      <a
        class="Button hide"
        href="/docs/latest/"
        id="notfound-docs">Go to the latest version of the documentation</a>
      <a class="Button m-0 mt-2" href="/">Go to Metabase homepage</a>
    </div>
  </div>
</div>