phacility/phabricator · error · PhutilAggregateException

Unable to read device public key while attempting to make au

Error message

Unable to read device public key while attempting to make authenticated method call within the cluster. Use `%s` to register keys for this device. Exception: %s

What it means

Error "Unable to read device public key while attempting to make authenticated method call within the cluster. Use `%s` to register keys for this device. Exception: %s" thrown in phacility/phabricator.

Source

Thrown at src/applications/repository/storage/PhabricatorRepository.php:2209

      ));
    if ($uri === null) {
      return null;
    }

    $domain = id(new PhutilURI(PhabricatorEnv::getURI('/')))->getDomain();

    $client = id(new ConduitClient($uri))
      ->setHost($domain);

    if ($viewer->isOmnipotent()) {
      // If the caller is the omnipotent user (normally, a daemon), we will
      // sign the request with this host's asymmetric keypair.

      $public_path = AlmanacKeys::getKeyPath('device.pub');
      try {
        $public_key = Filesystem::readFile($public_path);
      } catch (Exception $ex) {
        throw new PhutilAggregateException(
          pht(
            'Unable to read device public key while attempting to make '.
            'authenticated method call within the cluster. '.
            'Use `%s` to register keys for this device. Exception: %s',
            'bin/almanac register',
            $ex->getMessage()),
          array($ex));
      }

      $private_path = AlmanacKeys::getKeyPath('device.key');
      try {
        $private_key = Filesystem::readFile($private_path);
        $private_key = new PhutilOpaqueEnvelope($private_key);
      } catch (Exception $ex) {
        throw new PhutilAggregateException(
          pht(
            'Unable to read device private key while attempting to make '.
            'authenticated method call within the cluster. '.

View on GitHub (pinned to 5720a38cfe)

When it happens

Trigger: Thrown at src/applications/repository/storage/PhabricatorRepository.php:2209 when the library encounters an invalid state.

Common situations: See trigger scenarios.

Understand the failure class

• Authentication and authorization failures — expired tokens, bad credentials, and missing scopes.

AI-assisted analysis of phacility/phabricator@5720a38cfe (2026-08-21). Data as JSON: /api/errors/32e272735eecc885. Report an issue: GitHub.