public static void sendAppUnavailableException ( HttpServletRequest req , HttpServletResponse res ) throws IOException { if ( ( req instanceof SRTServletRequest ) && ( res instanceof SRTServletResponse ) ) { IRequest ireq = ( ( SRTServletRequest ) req ) . getIRequest ( ) ; IResponse ires = ( ( SRTServletResponse ) res ) . getIResponse ( ) ; sendUnavailableException ( ireq , ires ) ; } }
and throw a NPE because we couldn t get the application s configuration