Object bpObj = rtSvc.getVariable(execId,"jenkow_build_parent");
          Object bnObj = rtSvc.getVariable(execId,"jenkow_build_number");
          if (bpObj instanceof String && bnObj instanceof Integer){
            String parentJobName = (String)bpObj;
            int buildNum = ((Integer)bnObj).intValue();
            TopLevelItem it = Jenkins.getInstance().getItem(parentJobName);
            if (it instanceof Project){
              parentProj = (Project)it;
              Run build = parentProj.getLastBuild();
              if (build != null){
                if (build.getNumber() == buildNum){