public void sleepMillis(final long millis){
  try {
    Thread.sleep(millis);
  }
 catch (  final InterruptedException e) {
    logger.error(e,e);
  }
}

public void sleepMillis ( final long millis ) { try { Thread . sleep ( millis ) ; } catch ( final InterruptedException e ) { logger . error ( e , e ) ; } }
waits the specified number of milliseconds .
