nnotations.
The workaround is providing the jars with these implementations (like JAXBs <tt>@XmlType</tt>, ...)
to &lt;javadoc&gt; using <tt>classpath</tt>, <tt>classpathref</tt> attributes or nested
&lt;classpath&gt; element.</p>

<p><b>Note:</b> many problems with running javadoc stem from command
  lines that have become too long - even though the error message
  doesn't give the slightest hint this may be the problem.  If you
  encounter problems with the task, try to set
  the <code>useexternalfile</co