ue if successfully completed, false if not.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>org.apache.commons.net.ftp.FTPConnectionClosedException</code> - If the FTP server prematurely closes the connection as a result
      of the client being idle or some other reason causing the server
      to send FTP reply code 421.  This exception may be caught either
      as an IOException or independently as itself.</dd>
<dd><code><a href="http://java.sun.com/javase/6/docs/api/java/io/IOException.htm