public void start_process_instance( HttpServletRequest request, HttpServletResponse response ) throws ServletException,
IOException {
String name = request.getParameter( "name" );
BusinessProcessID proc = graphManager.getGraphIDByName(name);
BusinessProcessInfo businessProcessInfo = graphManager.getInfoByID( proc );
List requiredVariables = businessProcessInfo.getRequiredVariables();
if( requiredVariables.size() > 0 ) {
request.setAttribute( "processName", name );
request.setAttribute( "businessProcessID", new Integer( proc.getID() ) );
request.setAttribute( "variables", requiredVariables );
request.setAttribute( "pageToDisplay", "/WEB-INF/view/initVars.jsp" );
} else {
startNewInstance( request, proc, name, new HashMap());