* to create an exception instance with a message, a cause, or both.
 *
 * <p>Usage examples:</p>
 * <pre>
 * throw new SuggesterException("An error occurred");
 * throw new SuggesterException(new IOException("IO error"));
 * throw new SuggesterException("An error occurred", new IOException("IO error"));
 * </pre>
 *
 * @see RuntimeException
 */

        new AbstractLoadingCache<Object, Object>() {
          @Override
          public Object get(Object key) throws ExecutionException {
            Object v = valueRef.get();
            if (v == null) {
              throw new ExecutionException(cause);
            }
            return v;
          }

          @Override
          public @Nullable Object getIfPresent(Object key) {
            return valueRef.get();
          }

        try {
            server.start();
        } catch (final Exception e) {
            throw new CrawlerSystemException(e);
        }
    }

    public void stop() {
        try {
            server.stop();
            server.join();
        } catch (final Exception e) {
            throw new CrawlerSystemException(e);
        } finally {
            if (tempDocRoot) {
                docRoot.delete();

     * @param params The parameters.
     * @return The extracted data.
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        try {
            @SuppressWarnings("resource")
            final org.apache.poi.hssf.extractor.ExcelExtractor excelExtractor =

        br.addItem("Boundary Size");
        br.addElement(boundarySize);
        br.addItem("Limit Size");
        br.addElement(limitSize);
        final String msg = br.buildExceptionMessage();
        throw new Forced404NotFoundException(msg, UserMessages.empty()); // heavy attack!? so give no page to tell wasted action
    }

        if (isExceptPrivateAccessible(method)) {
            return;
        }
        try {
            method.setAccessible(true);
        } catch (RuntimeException e) {
            throw new BeanMethodSetAccessibleFailureException(beanDesc.getBeanClass(), method, e);
        }
    }

    private boolean isExceptPrivateAccessible(Method method) {
        // to avoid warning of JDK-internal access at Java11

            return createDependencyArtifact(artifactFactory, dependency, inheritedScope, inheritedFilter);
        } catch (InvalidVersionSpecificationException e) {
            throw new ArtifactMetadataRetrievalException(
                    "Invalid version for dependency " + dependency.getManagementKey() + ": " + e.getMessage(), e, pom);
        }
    }

    Map<String, @Nullable Integer> map = new HashMap<>();
    map.put("One", 1);
    map.put("Three", 3);
    map.put("Null", null);
    Function<String, @Nullable Integer> function = Functions.forMap(map);

    assertEquals(1, function.apply("One").intValue());
    assertEquals(3, function.apply("Three").intValue());
    assertNull(function.apply("Null"));

        assertThrows(TransportException.class, () -> {
            throw new TransportException(expectedMessage);
        });

        // Test throwing and catching with cause
        RuntimeException cause = new RuntimeException("Cause");
        TransportException thrown = assertThrows(TransportException.class, () -> {
            throw new TransportException(cause);
        });

    future.set(
        new Object() {
          @Override
          public String toString() {
            throw new OutOfMemoryError();
          }

          @Override
          public int hashCode() {
            throw new OutOfMemoryError();
          }
        });

    String unused = future.toString();