Twitter Stream API using Pablo's Scribe library

TwitterStreamOAuth.java

import org.scribe.builder.ServiceBuilder;
import org.scribe.builder.api.TwitterApi;
import org.scribe.model.Token;
import org.scribe.model.Verifier;
import org.scribe.oauth.OAuthService;

public class TwitterStreamOAuth {

  private final static String ACCESS_TOKEN_KEY = "273014559-FevjK1FCxmHqXe1QIPcA4CnHFe6TAsJ0YefpITts";
  private final static String ACCESS_TOKEN_SECRET = "PRNXlURgfEcCU6Fs4s7kG9QU6yyhJ8SNzGCDUf1mgI";
  private final static String CONSUMER_KEY = "EJ79G5cmeb5e7mRX0WV3iA";
  private final static String CONSUMER_SECRET = "RxfXjFcf8f3dsmc2bunJu0qgpGz6SXhUISHzgpeo9Zw";
  private final static String URL = "https://stream.twitter.com/1/statuses/sample.json";
  
  
  public static void main(String[] args){
    OAuthService service = new ServiceBuilder().
        provider(TwitterApi.class).
        apiKey(CONSUMER_KEY).
        apiSecret(CONSUMER_SECRET).
        build();
    
    Token requestToken = service.getRequestToken();
    String authUrl = service.getAuthorizationUrl(requestToken);
    Verifier verifier = new Verifier(authUrl);
    
    System.out.println(requestToken);
    Token accessToken = service.getAccessToken(requestToken, verifier); //this line gives error.
    
  }
}