if (childUrlSet != null) {
            // add an url
            try {
                storeChildUrls(childUrlSet.stream().filter(rd -> StringUtil.isNotBlank(rd.getUrl())).collect(Collectors.toSet()),
                        urlQueue.getUrl(), urlQueue.getDepth() != null ? urlQueue.getDepth() + 1 : 1);
            } catch (final Throwable t) {
                if (!ComponentUtil.available()) {

            synchronized (artifacts) {
                ArtifactTransferResource artifact = artifacts.get(resource);

                if (artifact == null) {
                    artifact = new MavenArtifact(repository.getUrl(), resource);
                    artifacts.put(resource, artifact);
                }

                return artifact;
            }
        }
    }

        assertEquals(1, result.size());

        RequestData requestData = result.iterator().next();
        assertEquals("http://example.com", requestData.getUrl());
    }

    /**
     * Test getAnchorSet with blank string
     */
    @Test
    public void test_getAnchorSet_withBlankString() {
        FessCrawlerThread crawlerThread = new FessCrawlerThread();

        }
        final Extractor extractor = extractorFactory.getExtractor(responseData.getMimeType());
        if (logger.isDebugEnabled()) {
            logger.debug("url={}, extractor={}", responseData.getUrl(), extractor);
        }
        return extractor;
    }

        assertEquals(l.getUNCPath(), copy.getUNCPath());
        assertEquals(l.getShare(), copy.getShare());
        assertEquals(l.getType(), copy.getType());
        assertSame(l.getURL(), copy.getURL());
    }

    @ParameterizedTest
    @DisplayName("queryLookup extracts values case-insensitively")
    @CsvSource({ "a=1&b=2,a,1", "A=1&a=2,a,1", // first match before next param

    }

    public static RemoteRepository toRemoteRepository(Repository repository) {
        RemoteRepository.Builder builder =
                new RemoteRepository.Builder(repository.getId(), repository.getLayout(), repository.getUrl());
        builder.setSnapshotPolicy(toRepositoryPolicy(repository.getSnapshots()));
        builder.setReleasePolicy(toRepositoryPolicy(repository.getReleases()));
        return builder.build();
    }

                                && (attributes.get("Fess-WebAppJar") != null || attributes.getValue("Fess-WebAppJar") != null)) {
                            createWebResourceSet(ResourceSetType.CLASSES_JAR, "/WEB-INF/classes", possibleJar.getURL(), "/");
                        }
                    }
                } catch (final Exception e) {
                    logger.log(Level.WARNING, e, () -> {

            org.eclipse.aether.repository.RemoteRepository rr = defaultRemoteRepository.getRepository();

            try {
                return mavenRepositorySystem.createRepository(
                        rr.getUrl(),
                        rr.getId(),
                        rr.getPolicy(false).isEnabled(),
                        rr.getPolicy(false).getUpdatePolicy(),
                        rr.getPolicy(true).isEnabled(),

                throw new FessSystemException("Could not find tikaExtractor.");
            }
        }

        if (logger.isDebugEnabled()) {
            logger.debug("url={}, extractor={}", responseData.getUrl(), extractor);
        }
        return extractor;
    }

                            try {
                                w.wait();
                            } catch (final InterruptedException ie) {
                                throw new SmbException(dest.getURL().toString(), ie);
                            }
                        }
                        w.checkException();

                        if (read <= 0) {
                            break;