* non-null, it should be reported to the user should all further attempts fail.
   *
   * The two values are independent: results can contain both (recoverable error), neither
   * (success), just an exception (permanent failure), or just a plan (non-exceptional retry).
   */
  data class ConnectResult(
    val plan: Plan,
    val nextPlan: Plan? = null,
    val throwable: Throwable? = null,
  ) {
    val isSuccess: Boolean

* Fix kubectl describe CronJobs error of `Successful Job History Limit`. ([#77347](https://github.com/kubernetes/kubernetes/pull/77347), [@danielqsj](https://github.com/danielqsj))
* Remove extra pod creation exceptions when daemonset fails to create pods in batches. ([#74856](https://github.com/kubernetes/kubernetes/pull/74856), [@draveness](https://github.com/draveness))

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertNotNull(exception.getCause());
        assertEquals(middleCause, exception.getCause());
        assertEquals("Middle cause", exception.getCause().getMessage());
        assertNotNull(exception.getCause().getCause());
        assertEquals(rootCause, exception.getCause().getCause());

        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    public void test_serialization() {
        // Test that the exception has serialVersionUID defined
        JobNotFoundException exception = new JobNotFoundException("test");

        assertEquals(cause, exception.getCause());
    }

    public void test_constructor_withNullMessage() {
        // Test constructor with null message
        PluginException exception = new PluginException(null);

        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withNullMessageAndCause() {

        assertThat(toSqlDateJdbcEscape(null), is(nullValue()));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToSqlDate_EmptyString() throws Exception {
        assertThat(toSqlDateJdbcEscape(""), is(nullValue()));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToSqlDate_ShortStyle() throws Exception {

        assertEquals(cause, exception.getCause());
        assertEquals("Root cause exception", exception.getCause().getMessage());
    }

    public void test_constructorWithNullMessage() {
        // Test constructor with null message
        ScheduledJobException exception = new ScheduledJobException(null);

        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    Exception exception = new RuntimeException("test");
    UncheckedExecutionException e =
        assertThrows(
            UncheckedExecutionException.class,
            () -> timeLimiter.callWithTimeout(callableThrowing(exception), DELAY_MS, MILLISECONDS));
    assertThat(e).hasCauseThat().isEqualTo(exception);
  }

  public void testCallUninterruptiblyWithTimeout_propagatesReturnValue() throws Exception {
    String result =

        CurlException exception = new CurlException(message, cause);

        assertEquals(message, exception.getMessage());
        assertSame(cause, exception.getCause());
        assertTrue(exception instanceof RuntimeException);
    }

    @Test
    public void testConstructorWithNullMessage() {
        CurlException exception = new CurlException(null);

  }

  public void testSetFailure() throws Exception {
    assertTrue(future.setException(new Exception("failure")));
    tester.testFailedFuture("failure");
  }

  public void testSetFailureNull() throws Exception {
    assertThrows(NullPointerException.class, () -> future.setException(null));
    assertFalse(future.isDone());
    assertTrue(future.setException(new Exception("failure")));
    tester.testFailedFuture("failure");
  }