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From "Bill Barker" <wbar...@wilshire.com>
Subject Re: Ajp13 wrong Response
Date Tue, 03 Jul 2001 16:49:51 GMT
Actually, you don't need to load the system (that's the good news).  It's
not a synchronization problem.  It looks like it is a problem with error
handling, but I haven't tracked down where so I can't send a patch yet.  It
seems that when you get an error, the writer gets stuck in it's last
successful request and always sends that one.  I've reverted
HttpServletResponseFacade to always throwing away it's writer on recycle (so
that my developers can actually get work done)  as a stop-gap and that seems
to have made it go away.  Of course, this is far from ideal.  What you need
to start seeing this is something like:

public class BadServlet extends HttpServlet {

  protected void doGet(HttpServletRequest request, HttpServletResponse
response)
      throws ServletException, IOException {
         PrintWriter out = response.getWriter();
         out.println("Hello World");
         throw new IOException("Hi Mom!");
    }
}
----- Original Message -----
From: "GOMEZ Henri" <hgomez@slib.fr>
To: <tomcat-dev@jakarta.apache.org>
Sent: Tuesday, July 03, 2001 7:45 AM
Subject: RE: Ajp13 wrong Response


> Very difficult to reproduce a situation under heavy load.
> I stressed my Apache/TC with ab during nigths without
> any failures but It was against simple servlets
>
> -
> Henri Gomez                 ___[_]____
> EMAIL : hgomez@slib.fr        (. .)
> PGP KEY : 697ECEDD    ...oOOo..(_)..oOOo...
> PGP Fingerprint : 9DF8 1EA8 ED53 2F39 DC9B 904A 364F 80E6
>
>
>
> >-----Original Message-----
> >From: Angel Aray [mailto:aaray@conectium.com]
> >Sent: Tuesday, July 03, 2001 2:46 PM
> >To: tomcat-dev@jakarta.apache.org
> >Subject: RE: Ajp13 wrong Response
> >
> >
> >
> >I'll try that, but the problem I am seeing is with tomcat as late
> >as TC 3.3-M3.
> >
> >-----Original Message-----
> >From: GOMEZ Henri [mailto:hgomez@slib.fr]
> >Sent: Martes, 03 de Julio de 2001 04:10 a.m.
> >To: tomcat-dev@jakarta.apache.org
> >Subject: RE: Ajp13 wrong Response
> >
> >
> >>> I am having a problem which is very difficult to reproduce.
> >>Under certain
> >>> conditions some request get the response for some other
> >>request. It looks
> >>> like at some point probably due to some synchronization
> >issues tomcat
> >>> mixes de responses from different clients.
> >
> >It was a known problem in early age of TC 3.3, with RequestDispatcher.
> >Could you try a fresh install of TC 3.3-M4 ?
> >
> >>> I hadn't seen this behavior before, but since I moved  from
> >>using just
> >>> tomcat to using apache + mod_jk + tomcat it has occurred a couple of
> >>times.
> >>>
> >>> Has anyone seen this kind of behavior before?
> >>>
> >>>
> >>> I am using apache_1.3.20, tomcat33-m3.
> >>>
> >>>
> >>
> >
>
>


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