code: public void setWebApp(WebApp app)
      {
          if (com.ibm.ejs.ras.TraceComponent.isAnyTracingEnabled()&&logger.isLoggable (Level.FINE)) {
              logger.logp(Level.FINE, CLASS_NAME,"setWebApp", "webapp -> "+ app +" ,this -> " + this);
          }
          
          this._webApp = app;
          if (reqContext != null)
          {
              reqContext.setCurrWebAppBoundary(app);
          }
      }
docs: /* (non-Javadoc)
  @see com.ibm.ws.webcontainer.webapp.IWebAppDispatcherContext#setWebApp(com.ibm.ws.webcontainer.webapp.WebApp)