src/plugin/protocol-htmlunit/src/java/org/apache/nutch/protocol/htmlunit/HttpResponse.java [174:206]:
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      if (sockAddr != null
          && conf.getBoolean("store.ip.address", false) == true) {
        headers.add("_ip_", sockAddr.getAddress().getHostAddress());
      }

      // make request
      OutputStream req = socket.getOutputStream();

      StringBuffer reqStr = new StringBuffer("GET ");
      if (http.useProxy(url)) {
        reqStr.append(url.getProtocol() + "://" + host + portString + path);
      } else {
        reqStr.append(path);
      }

      reqStr.append(" HTTP/1.0\r\n");

      reqStr.append("Host: ");
      reqStr.append(host);
      reqStr.append(portString);
      reqStr.append("\r\n");

      reqStr.append("Accept-Encoding: x-gzip, gzip, deflate\r\n");

      String userAgent = http.getUserAgent();
      if ((userAgent == null) || (userAgent.length() == 0)) {
        if (Http.LOG.isErrorEnabled()) {
          Http.LOG.error("User-agent is not set!");
        }
      } else {
        reqStr.append("User-Agent: ");
        reqStr.append(userAgent);
        reqStr.append("\r\n");
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src/plugin/protocol-selenium/src/java/org/apache/nutch/protocol/selenium/HttpResponse.java [162:193]:
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      if (sockAddr != null
          && conf.getBoolean("store.ip.address", false) == true) {
        headers.add("_ip_", sockAddr.getAddress().getHostAddress());
      }
      // make request
      OutputStream req = socket.getOutputStream();

      StringBuffer reqStr = new StringBuffer("GET ");
      if (http.useProxy(url)) {
        reqStr.append(url.getProtocol() + "://" + host + portString + path);
      } else {
        reqStr.append(path);
      }

      reqStr.append(" HTTP/1.0\r\n");

      reqStr.append("Host: ");
      reqStr.append(host);
      reqStr.append(portString);
      reqStr.append("\r\n");

      reqStr.append("Accept-Encoding: x-gzip, gzip, deflate\r\n");

      String userAgent = http.getUserAgent();
      if ((userAgent == null) || (userAgent.length() == 0)) {
        if (Http.LOG.isErrorEnabled()) {
          Http.LOG.error("User-agent is not set!");
        }
      } else {
        reqStr.append("User-Agent: ");
        reqStr.append(userAgent);
        reqStr.append("\r\n");
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