output: #fixed code
                                  @Override
      @SuppressFBWarnings(value = "SWL_SLEEP_WITH_LOCK_HELD", justification = "This is fine")
      public synchronized void launch(SlaveComputer computer, TaskListener listener) {
          if (!(computer instanceof KubernetesComputer)) {
              throw new IllegalArgumentException("This Launcher can be used only with KubernetesComputer");
          }
          KubernetesComputer kubernetesComputer = (KubernetesComputer) computer;
          computer.setAcceptingTasks(false);
          KubernetesSlave slave = kubernetesComputer.getNode();
          if (slave == null) {
              throw new IllegalStateException("Node has been removed, cannot launch " + computer.getName());
          }
          if (launched) {
              LOGGER.log(INFO, "Agent has already been launched, activating: {0}", slave.getNodeName());
              computer.setAcceptingTasks(true);
              return;
          }
  
          final PodTemplate template = slave.getTemplate();
          try {
              KubernetesClient client = slave.getKubernetesCloud().connect();
              Pod pod = template.build(slave);
              slave.assignPod(pod);
  
              String podName = pod.getMetadata().getName();
  
              String namespace = Arrays.asList( //
                      pod.getMetadata().getNamespace(),
                      template.getNamespace(), client.getNamespace()) //
                      .stream().filter(s -> StringUtils.isNotBlank(s)).findFirst().orElse(null);
              slave.setNamespace(namespace);
  
              LOGGER.log(Level.FINE, "Creating Pod: {0}/{1}", new Object[] { namespace, podName });
              pod = client.pods().inNamespace(namespace).create(pod);
              LOGGER.log(INFO, "Created Pod: {0}/{1}", new Object[] { namespace, podName });
              listener.getLogger().printf("Created Pod: %s/%s%n", namespace, podName);
  
              TaskListener runListener = template.getListener();
              runListener.getLogger().printf("Created Pod: %s/%s%n", namespace, podName);
  
              template.getWorkspaceVolume().createVolume(client, pod.getMetadata());
              watcher = new AllContainersRunningPodWatcher(client, pod, runListener);
              try (Watch w1 = client.pods().inNamespace(namespace).withName(podName).watch(watcher);
                   Watch w2 = eventWatch(client, podName, namespace, runListener)) {
                  assert watcher != null; // assigned 3 lines above
                  watcher.await(template.getSlaveConnectTimeout(), TimeUnit.SECONDS);
              }
              LOGGER.log(INFO, "Pod is running: {0}/{1}", new Object[] { namespace, podName });
  
              // We need the pod to be running and connected before returning
              // otherwise this method keeps being called multiple times
              List<String> validStates = ImmutableList.of("Running");
  
              int waitForSlaveToConnect = template.getSlaveConnectTimeout();
              int waitedForSlave;
  
              // now wait for agent to be online
              SlaveComputer slaveComputer = null;
              String status = null;
              List<ContainerStatus> containerStatuses = null;
              long lastReportTimestamp = System.currentTimeMillis();
              for (waitedForSlave = 0; waitedForSlave < waitForSlaveToConnect; waitedForSlave++) {
                  slaveComputer = slave.getComputer();
                  if (slaveComputer == null) {
                      throw new IllegalStateException("Node was deleted, computer is null");
                  }
                  if (slaveComputer.isOnline()) {
                      break;
                  }
  
                  // Check that the pod hasn't failed already
                  pod = client.pods().inNamespace(namespace).withName(podName).get();
                  if (pod == null) {
                      throw new IllegalStateException("Pod no longer exists: " + podName);
                  }
                  status = pod.getStatus().getPhase();
                  if (!validStates.contains(status)) {
                      break;
                  }
  
                  containerStatuses = pod.getStatus().getContainerStatuses();
                  List<ContainerStatus> terminatedContainers = new ArrayList<>();
                  for (ContainerStatus info : containerStatuses) {
                      if (info != null) {
                          if (info.getState().getTerminated() != null) {
                              // Container has errored
                              LOGGER.log(INFO, "Container is terminated {0} [{2}]: {1}",
                                      new Object[] { podName, info.getState().getTerminated(), info.getName() });
                              listener.getLogger().printf("Container is terminated %1$s [%3$s]: %2$s%n", podName,
                                      info.getState().getTerminated(), info.getName());
                              terminatedContainers.add(info);
                          }
                      }
                  }
  
                  checkTerminatedContainers(terminatedContainers, podName, namespace, slave, client);
  
                  if (lastReportTimestamp + REPORT_INTERVAL < System.currentTimeMillis()) {
                      LOGGER.log(INFO, "Waiting for agent to connect ({1}/{2}): {0}",
                              new Object[]{podName, waitedForSlave, waitForSlaveToConnect});
                      listener.getLogger().printf("Waiting for agent to connect (%2$s/%3$s): %1$s%n", podName, waitedForSlave,
                              waitForSlaveToConnect);
                      lastReportTimestamp = System.currentTimeMillis();
                  }
                  Thread.sleep(1000);
              }
              if (slaveComputer == null || slaveComputer.isOffline()) {
                  logLastLines(containerStatuses, podName, namespace, slave, null, client);
                  throw new IllegalStateException(
                          "Agent is not connected after " + waitedForSlave + " seconds, status: " + status);
              }
  
              computer.setAcceptingTasks(true);
              launched = true;
              try {
                  // We need to persist the "launched" setting...
                  slave.save();
              } catch (IOException e) {
                  LOGGER.log(Level.WARNING, "Could not save() agent: " + e.getMessage(), e);
              }
          } catch (Throwable ex) {
              setProblem(ex);
              LOGGER.log(Level.WARNING, String.format("Error in provisioning; agent=%s, template=%s", slave, template), ex);
              LOGGER.log(Level.FINER, "Removing Jenkins node: {0}", slave.getNodeName());
              try {
                  slave.terminate();
              } catch (IOException | InterruptedException e) {
                  LOGGER.log(Level.WARNING, "Unable to remove Jenkins node", e);
              }
              throw Throwables.propagate(ex);
          }
      }
input: #vulnerable code 
                                  @Override
      @SuppressFBWarnings(value = "SWL_SLEEP_WITH_LOCK_HELD", justification = "This is fine")
      public synchronized void launch(SlaveComputer computer, TaskListener listener) {
          if (!(computer instanceof KubernetesComputer)) {
              throw new IllegalArgumentException("This Launcher can be used only with KubernetesComputer");
          }
          KubernetesComputer kubernetesComputer = (KubernetesComputer) computer;
          computer.setAcceptingTasks(false);
          KubernetesSlave slave = kubernetesComputer.getNode();
          if (slave == null) {
              throw new IllegalStateException("Node has been removed, cannot launch " + computer.getName());
          }
          if (launched) {
              LOGGER.log(INFO, "Agent has already been launched, activating: {0}", slave.getNodeName());
              computer.setAcceptingTasks(true);
              return;
          }
  
          final PodTemplate template = slave.getTemplate();
          try {
              KubernetesClient client = slave.getKubernetesCloud().connect();
              Pod pod = template.build(slave);
              slave.assignPod(pod);
  
              String podName = pod.getMetadata().getName();
  
              String namespace = Arrays.asList( //
                      pod.getMetadata().getNamespace(),
                      template.getNamespace(), client.getNamespace()) //
                      .stream().filter(s -> StringUtils.isNotBlank(s)).findFirst().orElse(null);
              slave.setNamespace(namespace);
  
              LOGGER.log(Level.FINE, "Creating Pod: {0}/{1}", new Object[] { namespace, podName });
              pod = client.pods().inNamespace(namespace).create(pod);
              LOGGER.log(INFO, "Created Pod: {0}/{1}", new Object[] { namespace, podName });
              listener.getLogger().printf("Created Pod: %s/%s%n", namespace, podName);
  
              TaskListener runListener = template.getListener();
              runListener.getLogger().printf("Created Pod: %s/%s%n", namespace, podName);
  
              template.getWorkspaceVolume().createVolume(client, pod.getMetadata());
              watcher = new AllContainersRunningPodWatcher(client, pod, runListener);
              try (Watch w1 = client.pods().inNamespace(namespace).withName(podName).watch(watcher);
                   Watch w2 = eventWatch(client, podName, namespace, runListener)) {
                  assert watcher != null; // assigned 3 lines above
                  watcher.await(template.getSlaveConnectTimeout(), TimeUnit.SECONDS);
              } catch (InvalidPodTemplateException e) {
                  LOGGER.info("Caught invalid pod template exception");
                  switch (e.getReason()) {
                      case "ImagePullBackOff":
                          runListener.getLogger().printf(e.getMessage());
                          PodUtils.cancelInvalidPodTemplateJob(pod, "ImagePullBackOff");
                          break;
                      default:
                          LOGGER.warning("Unknown reason for InvalidPodTemplateException : " + e.getReason());
                          break;
                  }
              }
              LOGGER.log(INFO, "Pod is running: {0}/{1}", new Object[] { namespace, podName });
  
              // We need the pod to be running and connected before returning
              // otherwise this method keeps being called multiple times
              List<String> validStates = ImmutableList.of("Running");
  
              int waitForSlaveToConnect = template.getSlaveConnectTimeout();
              int waitedForSlave;
  
              // now wait for agent to be online
              SlaveComputer slaveComputer = null;
              String status = null;
              List<ContainerStatus> containerStatuses = null;
              long lastReportTimestamp = System.currentTimeMillis();
              for (waitedForSlave = 0; waitedForSlave < waitForSlaveToConnect; waitedForSlave++) {
                  slaveComputer = slave.getComputer();
                  if (slaveComputer == null) {
                      throw new IllegalStateException("Node was deleted, computer is null");
                  }
                  if (slaveComputer.isOnline()) {
                      break;
                  }
  
                  // Check that the pod hasn't failed already
                  pod = client.pods().inNamespace(namespace).withName(podName).get();
                  if (pod == null) {
                      throw new IllegalStateException("Pod no longer exists: " + podName);
                  }
                  status = pod.getStatus().getPhase();
                  if (!validStates.contains(status)) {
                      break;
                  }
  
                  containerStatuses = pod.getStatus().getContainerStatuses();
                  List<ContainerStatus> terminatedContainers = new ArrayList<>();
                  for (ContainerStatus info : containerStatuses) {
                      if (info != null) {
                          if (info.getState().getTerminated() != null) {
                              // Container has errored
                              LOGGER.log(INFO, "Container is terminated {0} [{2}]: {1}",
                                      new Object[] { podName, info.getState().getTerminated(), info.getName() });
                              listener.getLogger().printf("Container is terminated %1$s [%3$s]: %2$s%n", podName,
                                      info.getState().getTerminated(), info.getName());
                              terminatedContainers.add(info);
                          }
                      }
                  }
  
                  checkTerminatedContainers(terminatedContainers, podName, namespace, slave, client);
  
                  if (lastReportTimestamp + REPORT_INTERVAL < System.currentTimeMillis()) {
                      LOGGER.log(INFO, "Waiting for agent to connect ({1}/{2}): {0}",
                              new Object[]{podName, waitedForSlave, waitForSlaveToConnect});
                      listener.getLogger().printf("Waiting for agent to connect (%2$s/%3$s): %1$s%n", podName, waitedForSlave,
                              waitForSlaveToConnect);
                      lastReportTimestamp = System.currentTimeMillis();
                  }
                  Thread.sleep(1000);
              }
              if (slaveComputer == null || slaveComputer.isOffline()) {
                  logLastLines(containerStatuses, podName, namespace, slave, null, client);
                  throw new IllegalStateException(
                          "Agent is not connected after " + waitedForSlave + " seconds, status: " + status);
              }
  
              computer.setAcceptingTasks(true);
              launched = true;
              try {
                  // We need to persist the "launched" setting...
                  slave.save();
              } catch (IOException e) {
                  LOGGER.log(Level.WARNING, "Could not save() agent: " + e.getMessage(), e);
              }
          } catch (Throwable ex) {
              setProblem(ex);
              LOGGER.log(Level.WARNING, String.format("Error in provisioning; agent=%s, template=%s", slave, template), ex);
              LOGGER.log(Level.FINER, "Removing Jenkins node: {0}", slave.getNodeName());
              try {
                  slave.terminate();
              } catch (IOException | InterruptedException e) {
                  LOGGER.log(Level.WARNING, "Unable to remove Jenkins node", e);
              }
              throw Throwables.propagate(ex);
          }
      } 
                              #location 51 
                              #vulnerability type CHECKERS_PRINTF_ARGS