<artifactId>httpclient</artifactId>
			<version>${httpcomponents.version}</version>
		</dependency>
		<dependency>
			<groupId>org.apache.httpcomponents</groupId>
			<artifactId>httpmime</artifactId>
			<version>${httpcomponents.version}</version>
		</dependency>
		<dependency>
			<groupId>org.apache.httpcomponents</groupId>
			<artifactId>httpclient-cache</artifactId>

        ClassLoader customClassLoader = new URLClassLoader(new URL[0], null) {
            @Override
            public Class<?> loadClass(String name) throws ClassNotFoundException {
                if ("org.apache.commons.httpclient.MultiThreadedHttpConnectionManager".equals(name)) {
                    // Simulate class not found
                    throw new ClassNotFoundException(name);
                }
                return super.loadClass(name);

        final RequestHeaderService requestHeaderService = ComponentUtil.getComponent(RequestHeaderService.class);
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        // HttpClient Parameters
        final Map<String, Object> paramMap = new HashMap<>();
        factory.setInitParameterMap(paramMap);

        final Map<String, String> clientConfigMap = getConfigParameterMap(ConfigName.CLIENT);

					<artifactId>geo</artifactId>
				</exclusion>
			</exclusions>
		</dependency>
		<dependency>
			<groupId>org.codelibs.fesen.client</groupId>
			<artifactId>fesen-httpclient</artifactId>
			<version>${fesen.httpclient.version}</version>
		</dependency>
		<dependency>
			<groupId>org.ow2.asm</groupId>
			<artifactId>asm</artifactId>
			<version>${asm.version}</version>
		</dependency>

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.lang.ThreadUtil;
import org.codelibs.fesen.client.HttpClient;
import org.codelibs.fess.crawler.exception.OpenSearchAccessException;
import org.opensearch.OpenSearchException;
import org.opensearch.action.ActionRequest;
import org.opensearch.action.ActionType;

import jcifs.smb1.ntlmssp.Type3Message;
import jcifs.smb1.util.Base64;

/**
 * Wraps an <code>HttpURLConnection</code> to provide NTLM authentication
 * services.
 *
 * Please read <a href="../../../httpclient.html">Using jCIFS NTLM Authentication for HTTP Connections</a>.
 */
public class NtlmHttpURLConnection extends HttpURLConnection {

    private static final int MAX_REDIRECTS = Integer.getInteger("http.maxRedirects", 20);

     * @throws SearchEngineClientException if the client is not an HttpClient
     */
    public EngineInfo getEngineInfo() {
        if (client instanceof final HttpClient httpClient) {
            return httpClient.getEngineInfo();
        }
        throw new SearchEngineClientException("client is not HttpClient.");
    }

    //
    // Fesen Client
    //

    /**

import jcifs.ntlmssp.Type3Message;
import jcifs.smb.NtlmPasswordAuthentication;

/**
 * Wraps an <code>HttpURLConnection</code> to provide NTLM authentication
 * services.
 *
 * Please read <a href="../../../httpclient.html">Using jCIFS NTLM Authentication for HTTP Connections</a>.
 *
 * Warning: Do not use this if there is a chance that you might have multiple connections (even plain

  testImplementation(projects.mockwebserver3)
  testImplementation(projects.mockwebserver3Junit5)
  testImplementation(projects.okhttpTls)
  testImplementation(projects.okhttpTestingSupport)
  testImplementation(libs.httpClient5)
  testImplementation(libs.jettyClient)
  testImplementation(libs.junit)
  testImplementation(libs.assertk)
}

tasks.compileJava {
  options.isWarnings = false

import org.apache.hc.core5.http.ProtocolVersion
import org.junit.Assert
import org.junit.Test

/**
 * Simplified from
 * https://hc.apache.org/httpcomponents-client-5.0.x/httpclient5/examples/AsyncClientTlsAlpn.java
 *
 * Mainly intended to verify behaviour of popular clients across Android versions, similar
 * to observing Firefox or Chrome browser behaviour.
 */
class ApacheHttpClientHttp2Test {