result.setQueryRequestedAt(toLocalDateTime(source.get("queryRequestedAt")));
            result.setRequestedAt(toLocalDateTime(source.get("requestedAt")));
            result.setUrl(DfTypeUtil.toString(source.get("url")));
            result.setUserSessionId(DfTypeUtil.toString(source.get("userSessionId")));
            return updateEntity(source, result);

            result.setLastAccessTime(DfTypeUtil.toLong(source.get("lastAccessTime")));
            result.setThreadName(DfTypeUtil.toString(source.get("threadName")));
            result.setUrl(DfTypeUtil.toString(source.get("url")));
            return updateEntity(source, result);
        } catch (InstantiationException | IllegalAccessException e) {

        this.requestedAt = value;
    }

    public String getUrl() {
        checkSpecifiedProperty("url");
        return convertEmptyToNull(url);
    }

    public void setUrl(String value) {
        registerModifiedProperty("url");
        this.url = value;
    }

    public String getUserSessionId() {
        checkSpecifiedProperty("userSessionId");

	// Save listing...
	go func() {
		if err := saver.saveMetaCacheStream(listCtx, &meta, saveCh); err != nil {
			meta.setErr(err.Error())
		}
		cancel()
	}()

	// Do listing...
	go func(o listPathOptions) {
		err := z.listMerged(listCtx, o, inCh)
		if err != nil {
			meta.setErr(err.Error())
		}
		o.debugln("listAndSave: listing", o.ID, "finished with ", err)
	}(*o)

            return entity;
        }).orElseGet(() -> {
            final FailureUrl entity = new FailureUrl();
            entity.setErrorCount(1);
            entity.setUrl(url);
            if (crawlingConfig != null) {
                entity.setConfigId(crawlingConfig.getConfigId());
            }
            return entity;
        });

        policy.setUpdatePolicy("always");

        Repository repository = new Repository();
        repository.setId(RepositorySystem.DEFAULT_REMOTE_REPO_ID);
        repository.setUrl("file://" + repoDir.toURI().getPath());
        repository.setReleases(policy);
        repository.setSnapshots(policy);

        return Arrays.asList(repositorySystem.buildArtifactRepository(repository));
    }

//msgp:ignore metaCacheRPC
type metaCacheRPC struct {
	o      listPathOptions
	mu     sync.Mutex
	meta   *metacache
	rpc    *peerRESTClient
	cancel context.CancelFunc
}

func (m *metaCacheRPC) setErr(err string) {
	m.mu.Lock()
	defer m.mu.Unlock()
	meta := *m.meta
	if meta.status != scanStateError {
		meta.error = err
		meta.status = scanStateError
	} else {
		// An error is already set.
		return

        policy.setUpdatePolicy("always");

        Repository repository = new Repository();
        repository.setId(MavenRepositorySystem.DEFAULT_REMOTE_REPO_ID);
        repository.setUrl("file://" + repoDir.toURI().getPath());
        repository.setReleases(policy);
        repository.setSnapshots(policy);

        return Arrays.asList(mavenRepositorySystem.buildArtifactRepository(repository));
    }

        PrintStream originalErr = System.err;
        System.setErr(new PrintStream(errContent));

        try {
            String[] args = { "--invalidOption", "value" };
            Crawler.main(args);

            String error = errContent.toString();
            assertTrue(error.contains("invalidOption"));
        } finally {
            System.setErr(originalErr);
        }
    }

    // Test doCrawl method

                for (int i = 0; i < errorCount.get(); i++) {
                    FailureUrl failureUrl = new FailureUrl();
                    failureUrl.setId("E" + i);
                    failureUrl.setUrl("http://test.com/" + i + ".html");
                    failureUrl.setErrorCount(i);
                    failureUrl.setErrorName("TestError" + i);
                    list.add(failureUrl);
                }