phacility/phabricator · error · PhutilArgumentUsageException

You must launch at least one daemon.

Error message

You must launch at least one daemon.

What it means

Error "You must launch at least one daemon." thrown in phacility/phabricator.

Source

Thrown at src/applications/daemon/management/PhabricatorDaemonManagementLaunchWorkflow.php:36

        array(
          array(
            'name' => 'argv',
            'wildcard' => true,
          ),
        ));
  }

  public function execute(PhutilArgumentParser $args) {
    $argv = $args->getArg('argv');

    $daemon_count = 1;
    if ($argv) {
      if (is_numeric(head($argv))) {
        $daemon_count = array_shift($argv);
      }

      if ($daemon_count < 1) {
        throw new PhutilArgumentUsageException(
          pht('You must launch at least one daemon.'));
      }
    }

    if (!$argv) {
      throw new PhutilArgumentUsageException(
        pht('You must specify which daemon to launch.'));
    }

    $daemon = array();
    $daemon['class'] = array_shift($argv);
    $daemon['label'] = $daemon['class'];
    $daemon['argv'] = $argv;

    $daemons = array_fill(0, $daemon_count, $daemon);

    $this->launchDaemons($daemons, $is_debug = false);

View on GitHub (pinned to 5720a38cfe)

When it happens

Trigger: Thrown at src/applications/daemon/management/PhabricatorDaemonManagementLaunchWorkflow.php:36 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of phacility/phabricator@5720a38cfe (2026-08-21). Data as JSON: /api/errors/69a08cd817a5c3fa. Report an issue: GitHub.