Issue

• OSE で Ruby アプリケーションを起動すると、以下のエラーが出力されます。

[Wed Apr 15 19:16:17 2015] [notice] Digest: generating secret for digest authentication ...
[Wed Apr 15 19:16:17 2015] [notice] Digest: done
[Wed Apr 15 19:16:17 2015] [notice] Apache/2.2.15 (Unix) Phusion_Passenger/3.0.21 configured -- resuming normal operations
/opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/helper-scripts/prespawn:105:in `initialize':Connection refused - connect(2) (Errno::ECONNREFUSED)
    from /opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/helper-scripts/prespawn:105:in `new'
    from /opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/helper-scripts/prespawn:105:in `connect'
    from /opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/helper-scripts/prespawn:86:in `socket'
    from /opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/helper-scripts/prespawn:90:in `head_request'
    from /opt/rh/ruby193/root/usr/share/gems/gems/passenger-3.0.21/helper-scripts/prespawn:145:in `<main>'

• Openshift で ruby 1.9 にアップグレードするとアプリケーションがクラッシュします。