ut file will be placed in the directory given by the
    <code>directory</code> attribute. The name of the file is composed
    by concatenation of the configured <code>prefix</code>, timestamp and
    <code>suffix</code>. The format of the timestamp in the file name can be
    set using the <code>fileDateFormat</code> attribute. This timestamp will
    be omitted if the file rotation is switched off by setting
    <code>rotatable</code> to <code>false</code>.</p>

    <p><strong>Warning:</strong> If multip