code: protected static void logParsingIssue(final String prefix, final SAXParseException e) {
  		final StringBuilder buffer = new StringBuilder();
  		buffer.append(prefix);
  		buffer.append(" while reading UAS data: ");
  		buffer.append(e.getMessage());
  		buffer.append(" (line: ");
  		buffer.append(e.getLineNumber());
  		if (e.getSystemId() != null) {
  			buffer.append(" uri: ");
  			buffer.append(e.getSystemId());
  		}
  		buffer.append(")");
  		LOG.warn(buffer.toString());
  	}
docs: Logs an issue while parsing XML.
  
  @param prefix
  log level as string to add at the beginning of the message
  @param e
  exception to log