try {
                if (dirents[i].getType() == SmbConstants.TYPE_NAMED_PIPE) {
                    continue;
                }
            } catch (final SmbAuthException sae) {
                log.warn("Auth failed", sae);
            } catch (final SmbException se) {
                log.warn("Connection failed", se);
                if (se.getNtStatus() != NtStatus.NT_STATUS_UNSUCCESSFUL) {

                    Files.delete(artifactPath.getParent());
                    Files.delete(artifactPath.getParent().getParent());
                } catch (DirectoryNotEmptyException e) {
                    // ignore
                }
            }
        } catch (IOException e) {
            LOGGER.error("Error while cleaning project local repository", e);
        }
    }

    /**

      list.add("5");
      fail("transformed list is addable");
    } catch (UnsupportedOperationException expected) {
    }
    list.remove(0);
    assertEquals(asList("2", "3", "4"), list);
    list.remove("3");
    assertEquals(asList("2", "4"), list);
    try {
      list.set(0, "5");
      fail("transformed list is setable");
    } catch (UnsupportedOperationException expected) {
    }
    list.clear();

        // Should throw CrawlerSystemException
        try {
            controller.delay(IntervalController.PRE_PROCESSING);
            fail("Expected CrawlerSystemException to be thrown");
        } catch (final CrawlerSystemException e) {
            // Expected
            assertTrue(e.getMessage().contains("Could not stop a process"));
        }
    }

    /**

          }
        }
      } else {
        exchange.noRequestBody()
      }

      if (requestBody == null || !requestBody.isDuplex()) {
        exchange.finishRequest()
      }
    } catch (e: IOException) {
      if (e is ConnectionShutdownException) {
        throw e // No request was sent so there's no response to read.
      }
      if (!exchange.hasFailure) {

        this.opad = hmac.opad;
        this.md5 = (MessageDigest) hmac.md5.clone();
    }

    @Override
    public Object clone() {
        try {
            return new HMACT64(this);
        } catch (final CloneNotSupportedException ex) {
            throw new IllegalStateException(ex.getMessage());
        }
    }

    @Override
    protected byte[] engineDigest() {

            return new Metadata();
        }

        try (InputStream input = Files.newInputStream(metadataPath)) {
            return new Metadata(new MetadataStaxReader().read(input, false));
        } catch (IOException | XMLStreamException e) {
            throw new RepositoryException("Could not parse metadata " + metadataPath + ": " + e.getMessage(), e);
        }
    }

     */
    public void begin(final Object keyObj) {
        getCacheKey(keyObj).ifPresent(key -> {
            try {
                statsCache.get(key);
            } catch (final Exception e) {
                final StringBuilder buf = createStringBuffer(keyObj, getCurrentTimeMillis());
                buf.append('\t').append("action:begin");

            productVersion = majorVersion + "." + minorVersion;
            System.setProperty("fess.version", version);
            System.setProperty("fess.product.version", productVersion);
        } catch (final Exception e) {
            throw new FessSystemException("Failed to parse project.properties.", e);
        }
    }

    /**
     * Destroys the SystemHelper and executes shutdown hooks.
     */

            } else if (this.server.encryptedPasswords) {
                // encrypted
                try {
                    this.password = pwAuth.getAnsiHash(this.ctx, this.server.encryptionKey);
                } catch (final GeneralSecurityException e) {
                    throw new RuntimeCIFSException("Failed to encrypt password", e);
                }
                this.passwordLength = this.password.length;