*  The challenge's scheme and realm are now non-null. If you are calling
    `new Challenge(scheme, realm)` you must provide non-null values. These were
    never null in challenges created by OkHttp, but could have been null in
    application code that creates challenges.

 *  New: The `TlsVersion` of a `Handshake` is now non-null. If you are calling
    `Handshake.get()` with a null TLS version, you must instead now provide a

        assertEquals(this.getClass().getName(), firstElement.getClassName());
    }

    @Test
    public void test_throwAndCatch() {
        // Test throwing and catching the exception
        String username = "nonexistentuser";

        try {
            throw new FessUserNotFoundException(username);
        } catch (FessUserNotFoundException e) {

        assertNotNull(exception);
        assertEquals(longMessage, exception.getMessage());
    }

    @Test
    public void test_throwAndCatch() {
        // Test throwing and catching the exception
        String expectedMessage = "Theme loading error";

        try {
            throw new ThemeException(expectedMessage);
        } catch (ThemeException e) {

   *     the thread's interrupted status is set
   * @since 11.0
   */
  public Map<K, V> loadAll(Iterable<? extends K> keys) throws Exception {
    // This will be caught by getAll(), causing it to fall back to multiple calls to
    // LoadingCache.get
    throw new UnsupportedLoadingOperationException();
  }

  /**

        // Both instances should be of the same class
        assertEquals(exception1.getClass(), exception2.getClass());
    }

    @Test
    public void test_throwAndCatch() {
        // Test throwing and catching the exception
        String expectedMessage = "Expected error";
        try {
            throw new FessSystemException(expectedMessage);
        } catch (FessSystemException e) {

        assertNotSame(exception2, exception3);
        assertNotSame(exception1, exception3);
    }

    @Test
    public void test_throwAndCatch() {
        // Test throwing and catching the exception
        String errorMessage = "LDAP server not reachable";

        try {
            throw new LdapConfigurationException(errorMessage);
        } catch (LdapConfigurationException e) {

  @Partially.GwtIncompatible("AVAILABLE but requires exceptionType to be Throwable.class")
  public final <X extends Throwable> FluentFuture<V> catching(
      Class<X> exceptionType, Function<? super X, ? extends V> fallback, Executor executor) {
    return (FluentFuture<V>) Futures.catching(this, exceptionType, fallback, executor);
  }

  /**
   * Returns a {@code Future} whose result is taken from this {@code Future} or, if this {@code

        // Verify they have different stack traces
        assertNotSame(exception1.getStackTrace(), exception2.getStackTrace());
    }

    @Test
    public void test_throwAndCatch() {
        // Test throwing and catching the exception
        String expectedMessage = "Thrown exception";

        try {
            throw new UnsupportedSearchException(expectedMessage);
            // fail("Exception was not thrown");

        assertEquals("Exception 2", exception2.getMessage());
        assertNotNull(exception3.getCause());
    }

    @Test
    public void test_throwAndCatch() {
        // Test throwing and catching the exception
        String expectedMessage = "Test throw and catch";

        try {
            throw new SearchQueryException(expectedMessage);
        } catch (SearchQueryException e) {

        assertTrue(exception instanceof java.io.Serializable);
    }

    @Test
    public void test_throwAndCatch() {
        // Test throwing and catching the exception
        String parentUrl = "http://example.com/parent";
        String url = "http://example.com/child";

        try {
            throw new ContentNotFoundException(parentUrl, url);