If you follow the FAQ, it won't work.

Submitted by:	Erik Hatcher <jakarta-ant@ehatchersolutions.com>


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270137 13f79535-47bb-0310-9956-ffa450edef68

docs/faq.html

@@ -1560,7 +1560,7 @@ build.succeeded.email.subject=Nightly build succeeded!
       <tr>
         <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
         <td bgcolor="#ffffff"><pre>
-ant -listener BuildMonitor
+ant -listener BuildMonitor -logfile build.log
 </pre></td>
         <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
       </tr>

xdocs/faq.xml

@@ -798,7 +798,7 @@ build.succeeded.email.subject=Nightly build succeeded!
         invoke Ant like</p>
         
         <source><![CDATA[
-ant -listener BuildMonitor
+ant -listener BuildMonitor -logfile build.log
 ]]></source>
 
         <p>Make sure that <code>mail.jar</code> from JavaMail and