title: How can Univocity Parsers read a .csv file when the headers are not on the first line?
body: <p>How can Univocity Parsers read a .csv file when the headers are not on the first line? </p>
  
  <p>There are errors if the first line in the .csv file is not the headers.</p>
  
  <p>The code and stack trace are below.</p>
  
  <p>Any help would be greatly appreciated.</p>
  
  <pre><code>import com.univocity.parsers.csv.CsvParserSettings;
  import com.univocity.parsers.common.processor.*;
  import com.univocity.parsers.csv.*;
  import java.io.InputStreamReader;
  import java.io.Reader;
  import java.io.UnsupportedEncodingException;
  import java.lang.IllegalStateException;
  import java.lang.String;
  import java.util.List;
  
  
  public class UnivocityParsers {
  
  public Reader getReader(String relativePath) {
      try {
          return new InputStreamReader(this.getClass().getResourceAsStream(relativePath), "Windows-1252");
      } catch (UnsupportedEncodingException e) {
          throw new IllegalStateException("Unable to read input", e);
      }
  }
  
  
  public void columnSelection() {
      RowListProcessor rowProcessor = new RowListProcessor();
      CsvParserSettings parserSettings = new CsvParserSettings();
  
      parserSettings.setRowProcessor(rowProcessor);
      parserSettings.setHeaderExtractionEnabled(true);
      parserSettings.setLineSeparatorDetectionEnabled(true);
      parserSettings.setSkipEmptyLines(true);
  
      // Here we select only the columns "Price", "Year" and "Make".
      // The parser just skips the other fields
      parserSettings.selectFields("AUTHOR", "ISBN");
  
      CsvParser parser = new CsvParser(parserSettings);
      parser.parse(getReader("list2.csv"));
  
      List&lt;String[]&gt; rows = rowProcessor.getRows();
  
      String[] strings = rows.get(0);
  
      System.out.print(strings[0]);
  
  }
  
  
  public static void main(String arg[]) {
  
      UnivocityParsers univocityParsers = new UnivocityParsers();
  
      univocityParsers.columnSelection();
  
  
  }
  
  
  }
  </code></pre>
  
  <p>Stack trace:</p>
  
  <pre><code>    Exception in thread "main" com.univocity.parsers.common.TextParsingException: Error processing input: java.lang.IllegalStateException - Unknown field names: [author, isbn]. Available fields are: [list of books by author - created today]
  </code></pre>
  
  <p>Here is the file being parsed:</p>
  
  <pre><code>List of books by Author - Created today
  "REVIEW_DATE","AUTHOR","ISBN","DISCOUNTED_PRICE"
  "1985/01/21","Douglas Adams",0345391802,5.95
  "1990/01/12","Douglas Hofstadter",0465026567,9.95
  "1998/07/15","Timothy ""The Parser"" Campbell",0968411304,18.99
  "1999/12/03","Richard Friedman",0060630353,5.95
  "2001/09/19","Karen Armstrong",0345384563,9.95
  "2002/06/23","David Jones",0198504691,9.95
  "2002/06/23","Julian Jaynes",0618057072,12.50
  "2003/09/30","Scott Adams",0740721909,4.95
  "2004/10/04","Benjamin Radcliff",0804818088,4.95
  "2004/10/04","Randel Helms",0879755725,4.50
  </code></pre>