} catch (final InvalidKeyException e) {
                throw new InvalidKeyRuntimeException(e);
            } catch (final NoSuchAlgorithmException e) {
                throw new NoSuchAlgorithmRuntimeException(e);
            } catch (final NoSuchPaddingException e) {
                throw new NoSuchPaddingRuntimeException(e);
            } catch (final UnsupportedEncodingException e) {

      } catch (NoSuchElementException success) {
      }
      try {
        q.iterator().next();
        fail("Should throw exception");
      } catch (NoSuchElementException success) {
      }
      try {
        q.remove();
        fail("Should throw exception");
      } catch (NoSuchElementException success) {
      }
    } catch (InterruptedException ie) {

                } catch (final Exception e) {
                    logger.warn("Could not close a process error stream.", e);
                } finally {
                    latch.countDown();
                }
            }, "ProcessCloser-error-" + sessionId).start();
            new Thread(() -> {
                try {
                    CloseableUtil.closeQuietly(process.getOutputStream());
                } catch (final Exception e) {

                exitCode.set(1);
                latch.countDown();
            });

            try {
                latch.await();
            } catch (final InterruptedException ignore) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Interrupted.", ignore);
                }
                exitCode.set(1);
            }
        }

                    items.add(new StorageItem(fileName, prefix, false, s3Object.size(), lastModified, encodeId(objectKey)));
                }
            }
        } catch (final NoSuchBucketException e) {
            logger.info("Bucket does not exist: {}", bucket);
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to list objects in {}", bucket, e);
            }
        }

        } catch (Exception e) {
            fail("Should not throw exception in test setup");
        }

        // Execute and verify ChildUrlsException is thrown
        try {
            processor.process(responseData);
            fail("Should throw ChildUrlsException");
        } catch (ChildUrlsException e) {
            // Expected exception

            fail();
        } catch (ChildUrlsException e) {
            String[] values = e.getChildUrlList().stream().map(d -> d.getUrl()).sorted().toArray(n -> new String[n]);
            assertEquals(0, values.length);
        }
        try (final ResponseData responseData = gcsClient.doGet("")) {
            fail();
        } catch (CrawlerSystemException e) {
            // nothing
        }

                responseData.setCharSet(charset);
                responseData.setContentLength(0);
            }
        } catch (final CrawlerSystemException e) {
            CloseableUtil.closeQuietly(responseData);
            throw e;
        } catch (final SmbException e) {
            CloseableUtil.closeQuietly(responseData);
            throw new CrawlingAccessException("Could not access " + uri, e);

            if (blob == null) {
                throw new StorageException("Object not found: " + objectName);
            }
            blob.downloadTo(outputStream);
        } catch (final StorageException e) {
            throw e;
        } catch (final Exception e) {
            throw new StorageException("Failed to download " + objectName, e);
        }
    }

    @Override

    }

    public void test_preprocessUri_null() {
        try {
            fsClient.preprocessUri(null);
            fail();
        } catch (final CrawlerSystemException e) {}
        try {
            fsClient.preprocessUri("");
            fail();
        } catch (final CrawlerSystemException e) {}
    }

    public void test_doHead_file() throws Exception {