Thank you for reply.

This can easily reproduce with a simple servlet handling HttpSession.
like this:

public void doGet(HttpServletRequest request, HttpServletResponse response)
  |  throws ServletException, IOException {
  |     
  |     HttpSession session = request.getSession();
  |     Integer value = (Integer)session.getAttribute("COUNT");
  |     if (value == null) {
  |             value = new Integer(0);
  |     }
  |     session.setAttribute("COUNT", new Integer(value.intValue() + 1));
  | 
  |     /* building html  */
  | }

and stress the servlet using JMeter(100threads or more...).
mod_jk2 is not necessary requirement for this problem.

I found this problem only with 4.0.0.
With 3.2.6, this didn't occur.

This is not log4j issue. The duplicate commit message is found only for the TX 
which ends up with the error log.

View the original post : 
http://www.jboss.org/index.html?module=bb&op=viewtopic&p=3857904#3857904

Reply to the post : 
http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=3857904


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