failureUrlPager.id = "testId";
        failureUrlPager.url = "http://test.example.com";
        failureUrlPager.threadName = "crawler-1";
        failureUrlPager.errorCount = "5";
        failureUrlPager.errorName = "ConnectionTimeout";
        failureUrlPager.setAllRecordCount(100);
        failureUrlPager.setAllPageCount(10);
        failureUrlPager.setExistPrePage(true);
        failureUrlPager.setExistNextPage(true);

        }
    }

    /**
     * Sets the connection timeout in milliseconds.
     *
     * @param connectionTimeout The connection timeout
     */
    public void setConnectionTimeout(final Integer connectionTimeout) {
        this.connectionTimeout = connectionTimeout;
    }

    /**
     * Sets the maximum total number of connections.
     *

        }
    }

    /**
     * Sets the connection timeout in milliseconds.
     *
     * @param connectionTimeout The connection timeout
     */
    public void setConnectionTimeout(final Integer connectionTimeout) {
        this.connectionTimeout = connectionTimeout;
    }

    /**
     * Sets the maximum total number of connections.
     *

HcHttpClient (abstract base class)
    ├── Hc4HttpClient
    └── Hc5HttpClient
```

Switch via system property: `-Dfess.crawler.http.client=hc4` or `hc5` (default)

**Key Properties**: `connectionTimeout`, `soTimeout`, `proxyHost`, `proxyPort`, `userAgent`, `robotsTxtEnabled`, `ignoreSslCertificate`, `maxTotalConnection`, `defaultMaxConnectionPerRoute`

### CrawlerClientFactory

                        if (httpConfigurationAll != null) {
                            connectTimeoutXml = httpConfigurationAll.getChild("connectionTimeout", false);
                            if (connectTimeoutXml != null) {
                                connectTimeout = Integer.parseInt(connectTimeoutXml.getValue());

        // Given
        SmbOperationException.RetryPolicy policy = new SmbOperationException.RetryPolicy(3, 1000, 10000, 2.0, true);

        exception = new SmbOperationException(SmbOperationException.ErrorCode.CONNECTION_TIMEOUT, "Timeout occurred", null, policy, null);

        // When/Then - Should retry for attempts 1 and 2
        assertTrue(exception.shouldRetry(1));
        assertTrue(exception.shouldRetry(2));

    }

    /**
     * Standard SMB error codes
     */
    public enum ErrorCode {
        // Network errors
        CONNECTION_FAILED("Network connection failed", ErrorCategory.NETWORK, true), CONNECTION_TIMEOUT("Connection timed out",
                ErrorCategory.NETWORK, true), CONNECTION_RESET("Connection reset by peer", ErrorCategory.NETWORK,