output: #fixed code
                                  private String getPortForwardUrl(final Set<HasMetadata> resources) throws Exception {
          LabelSelector selector = KubernetesResourceUtil.getPodLabelSelector(resources);
          if (selector == null) {
              log.warn("Unable to determine a selector for application pods");
              return null;
          }
  
          PortForwardService portForwardService = getContext().getFabric8ServiceHub().getPortForwardService();
          int port = IoUtil.getFreeRandomPort();
          portForwardService.forwardPortAsync(getContext().getLogger(), selector, 8080, port);
          return "http://localhost:" + port;
      }
input: #vulnerable code 
                                  private String getPortForwardUrl(final Set<HasMetadata> resources) throws Exception {
          LabelSelector selector = KubernetesResourceUtil.getPodLabelSelector(resources);
          if (selector == null) {
              log.warn("Unable to determine a selector for application pods");
              return null;
          }
  
          PortForwardService portForwardService = getContext().getFabric8ServiceHub().getPortForwardService();
          // TODO choose the right ports
          portForwardService.forwardPortAsync(getContext().getLogger(), selector, 8080, 20000);
          return "http://localhost:20000";
      } 
                              #location 10 
                              #vulnerability type RESOURCE_LEAK