2.6 html format - "</table><br></body></html>" inserted in the middle of <TR> when restart tomcat

<tr>
<td>13942164</td>
<td title="http-bio-.....exec-49 thread">http-bio-.....</td>
<td title="Level">INFO</td>
<td title=" logger">ActionClass</td>
<td title="Message">......</td>
</tr>

</table>
<br>
</body></html>

<tr>
<td>13936096</td>
<td title=".....c-50 thread">http-bio.....50</td>
<td title="Level"><font color="#993300"><strong>WARN</strong></font></td>
<td title="logger">.....</td>
<td title="Message">.... </td>
</tr>

 <RollingFile name="debug_html"
                  fileName="@log4j.debug.html@"
                  filePattern="@log4j.debug.html@-%i.html">
        <HTMLLayout charset="UTF-8" title="....." />
        <Policies>
           <SizeBasedTriggeringPolicy size="5 MB" />
        </Policies>
     </RollingFile>


  <Logger name="action" level="info" additivity="false">
     <AppenderRef ref="debug_html"   />
  </Logger>