#vulnerable code 
                             @Override
	public void contextInitialized(ServletContextEvent event) {
		checkCDIAvailable();

		try {
			EagerBeansRepository.getInstance().instantiateApplicationScoped();
			FacesViews.addMappings(event.getServletContext());
			CacheInitializer.loadProviderAndRegisterFilter(event.getServletContext());
		}
		catch (Throwable e) {
			logger.log(Level.SEVERE, "OmniFaces failed to initialize! Report an issue to OmniFaces.", e);
			throw e;
		}
	} 
                            #location 6 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                             @Override
	public void contextInitialized(ServletContextEvent event) {
		checkCDIAvailable();

		try {
			ServletContext servletContext = event.getServletContext();
			EagerBeansRepository.instantiateApplicationScopedAndRegisterListener(servletContext);
			FacesViews.addMappings(servletContext);
			CacheInitializer.loadProviderAndRegisterFilter(servletContext);
		}
		catch (Throwable e) {
			logger.log(Level.SEVERE, "OmniFaces failed to initialize! Report an issue to OmniFaces.", e);
			throw e;
		}
	}