#vulnerable code 
                                @Override
    public void watch(List<ImageConfiguration> configs, Set<HasMetadata> resources, PlatformMode mode) throws Exception {
        KubernetesClient kubernetes = getContext().getKubernetesClient();

        PodLogService.PodLogServiceContext logContext = new PodLogService.PodLogServiceContext.Builder()
                .log(log)
                .newPodLog(getContext().getNewPodLogger())
                .oldPodLog(getContext().getOldPodLogger())
                .build();

        new PodLogService(logContext).tailAppPodsLogs(kubernetes, getContext().getNamespace(), resources, false, null, true, null, false);

        long serviceUrlWaitTimeSeconds = Configs.asInt(getConfig(Config.serviceUrlWaitTimeSeconds));
        boolean serviceFound = false;
        for (HasMetadata entity : resources) {
            if (entity instanceof Service) {
                Service service = (Service) entity;
                String name = KubernetesHelper.getName(service);
                Resource<Service, DoneableService> serviceResource = kubernetes.services().inNamespace(getContext().getNamespace()).withName(name);
                String url = null;
                // lets wait a little while until there is a service URL in case the exposecontroller is running slow
                for (int i = 0; i < serviceUrlWaitTimeSeconds; i++) {
                    if (i > 0) {
                        Thread.sleep(1000);
                    }
                    Service s = serviceResource.get();
                    if (s != null) {
                        url = KubernetesHelper.getOrCreateAnnotations(s).get(Annotations.Service.EXPOSE_URL);
                        if (Strings.isNotBlank(url)) {
                            break;
                        }
                    }
                    if (!isExposeService(service)) {
                        break;
                    }
                }

                // lets not wait for other services
                serviceUrlWaitTimeSeconds = 1;
                if (Strings.isNotBlank(url) && url.startsWith("http")) {
                    serviceFound = true;
                    runRemoteSpringApplication(url);
                }
            }
        }
        if (!serviceFound) {
            throw new IllegalStateException("No external service found for this application! So cannot watch a remote container!");
        }
    } 
                            #location 40 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                                @Override
    public void watch(List<ImageConfiguration> configs, Set<HasMetadata> resources, PlatformMode mode) throws Exception {
        KubernetesClient kubernetes = getContext().getKubernetesClient();

        PodLogService.PodLogServiceContext logContext = new PodLogService.PodLogServiceContext.Builder()
                .log(log)
                .newPodLog(getContext().getNewPodLogger())
                .oldPodLog(getContext().getOldPodLogger())
                .build();

        new PodLogService(logContext).tailAppPodsLogs(kubernetes, getContext().getNamespace(), resources, false, null, true, null, false);

        String url = getServiceExposeUrl(kubernetes, resources);
        if (url == null) {
            url = getPortForwardUrl(resources);
        }

        if (url != null) {
            runRemoteSpringApplication(url);
        } else {
            throw new IllegalStateException("Unable to open a channel to the remote pod.");
        }
    }