client =
      OkHttpClient
        .Builder()
        .dns { hostname: String? -> throw UnknownHostException("reason") }
        .addInterceptor(applicationInterceptor)
        .build()
    try {
      client.newCall(request().build()).execute()
      fail<Any>()
    } catch (expected: UnknownHostException) {
    }
    applicationLogs
      .assertLogEqual("--> GET $url")

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.InetAddress;
import java.net.URLEncoder;
import java.net.UnknownHostException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.ArrayList;
import java.util.Calendar;

import java.io.InputStream;
import java.net.ConnectException;
import java.net.NoRouteToHostException;
import java.net.SocketException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.UnknownHostException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;

import static org.opensearch.core.action.ActionListener.wrap;

import java.io.File;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.nio.charset.StandardCharsets;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;