title: Syntax error, insert "... VariableDeclaratorId" to complete FormalParameterList
body: <p>I am facing some issues with this code:</p>
  
  <pre><code>import edu.uci.ics.crawler4j.crawler.CrawlConfig;
  import edu.uci.ics.crawler4j.crawler.CrawlController;
  import edu.uci.ics.crawler4j.fetcher.PageFetcher;
  import edu.uci.ics.crawler4j.robotstxt.RobotstxtConfig;
  import edu.uci.ics.crawler4j.robotstxt.RobotstxtServer;
  
  public class Controller {
  
       String crawlStorageFolder = "/data/crawl/root";
       int numberOfCrawlers = 7;
  
       CrawlConfig config = new CrawlConfig();
       config.setCrawlStorageFolder(crawlStorageFolder);
       /*
        * Instantiate the controller for this crawl.
        */
       PageFetcher pageFetcher = new PageFetcher(config);
       RobotstxtConfig robotstxtConfig = new RobotstxtConfig();
       RobotstxtServer robotstxtServer = new RobotstxtServer(robotstxtConfig, pageFetcher);
       CrawlController controller = new CrawlController(config, pageFetcher, robotstxtServer);
  
       /*
        * For each crawl, you need to add some seed urls. These are the first
        * URLs that are fetched and then the crawler starts following links
        * which are found in these pages
        */
       controller.addSeed("http://www.ics.uci.edu/~lopes/");
       controller.addSeed("http://www.ics.uci.edu/~welling/");
       controller.addSeed("http://www.ics.uci.edu/");
       /*
        * Start the crawl. This is a blocking operation, meaning that your code
        * will reach the line after this only when crawling is finished.
        */
       controller.start(MyCrawler.class, numberOfCrawlers);
   }
  </code></pre>
  
  <p>I am getting the following error:</p>
  
  <blockquote>
    <p>"Syntax error, insert "... VariableDeclaratorId" to complete
    FormalParameterList" on
    config.setCrawlStrorageFolder(crawlStorageFolder)</p>
  </blockquote>