service.startAsync().awaitRunning();
    assertTrue(service.startUpCalled);
    assertEquals(Service.State.RUNNING, service.state());

    exitRun.countDown(); // the service will exit voluntarily
    executionThread.join();

    assertTrue(service.shutDownCalled);
    assertEquals(Service.State.TERMINATED, service.state());

    service.stopAsync().awaitTerminated(); // no-op

    /** Default job script type (Groovy). */
    public static final String DEFAULT_JOB_SCRIPT_TYPE = "groovy";

    /** Exit code for successful operation. */
    public static final int EXIT_OK = 0;

    /** Exit code for failed operation. */
    public static final int EXIT_FAIL = 1;

    /** Document crawler format identifier. */
    public static final String DCF = "dcf";

* fix kubectl taint e2e flake: add retries for removing taint ([#33872](https://github.com/kubernetes/kubernetes/pull/33872), [@kevin-wangzefeng](https://github.com/kevin-wangzefeng))
* portfordwardtester: avoid data loss during send+close+exit ([#37103](https://github.com/kubernetes/kubernetes/pull/37103), [@sttts](https://github.com/sttts))

        String result = suggestJob.execute();

        assertNotNull(result);
        assertTrue(result.contains("Session Id:"));
        // The actual execution catches exceptions so we can't guarantee Exit Code in output
    }

    // Test execute method with existing session ID
    public void test_execute_withExistingSessionId() {
        createRequiredDirectories();

 *
 * ```java
 * client.dispatcher().executorService().shutdown();
 * ```
 *
 * Clear the connection pool with [evictAll()][ConnectionPool.evictAll]. Note that the connection
 * pool's daemon thread may not exit immediately.
 *
 * ```java
 * client.connectionPool().evictAll();
 * ```
 *
 * If your client has a cache, call [close()][Cache.close]. Note that it is an error to create calls

- Kubeadm: do not exit with an error if the "super-admin.conf" cannot create a ClusterRoleBinding for the "cluster-admin" user, due to the ClusterRoleBInding already existing. ([#125821](https://github.com/kubernetes/kubernetes/pull/125821), [@neolit123](https://github.com/neolit123))...

* Make addon-manager cross-platform and use it with hyperkube ([#25631](https://github.com/kubernetes/kubernetes/pull/25631), [@luxas](https://github.com/luxas))
* kubelet: Optionally, have kubelet exit if lock file contention is observed, using --exit-on-lock-contention flag ([#25596](https://github.com/kubernetes/kubernetes/pull/25596), [@derekparker](https://github.com/derekparker))

   * with a satisfied guard (if one exists) whenever any thread occupying the monitor exits the
   * monitor, either by unlocking all of its held locks, or by starting to wait for a guard. This
   * includes exceptional exits, so all control paths involving signalling must be protected by a
   * finally block.
   *

  - Migrate `pkg/kubelet/(dockershim, network)` to structured logging
  Exit code changed from 255 to 1 ([#98939](https://github.com/kubernetes/kubernetes/pull/98939), [@yangjunmyfm192085](https://github.com/yangjunmyfm192085)) [SIG Network and Node]
  - Migrate `pkg/kubelet/certificate` to structured logging

- `kubeadm`: now respects user provided `kubeconfig` during discovery process ([#113998](https://github.com/kubernetes/kubernetes/pull/113998), [@SataQiu](https://github.com/SataQiu))
- `kubectl port-forward` now exits with exit code 1 when remote connection is
  lost ([#114460](https://github.com/kubernetes/kubernetes/pull/114460), [@brianpursley](https://github.com/brianpursley))