Not sure if this will help but I thought I'd pass it on.

I experienced some problems with missing POST parameters.  I'm not sure
where the problem lay but I was using apache 2, tomcat 5.5, mod_ajp_proxy
and dwr.  I upgraded to tomcat 6 using mod_proxy and NIO and have not seen
the problem since.

Chris.


On 8/27/07, M4N - Arjan Tijms <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> Ben Souther wrote:
>
> >One thing that you've go on your side, as far as isolating the problem
> >is concerned, is that Tomcat is a busy project and has thousands of
> >users.  If it had a bug that caused it to miss or drop form parameters
> >hundreds or thousands of apps would be breaking right now and this, the
> >dev list, and bugzilla would be getting flooded with reports.
> >
> >
> I absolutely agree with you. It's the exact same line of reasoning that
> went on during our internal discussions about this problem.
>
> However, the thing is that by far not all post parameters are dropped. I
> happened to stumble about it at first when inspecting the log files
> manually for some other problems. There was a log line that showed an
> empty post was done, for a page of which I knew this was impossible. I
> did some grepping on the logs and discovered a few hundred of occasions
> where it happened. Between thousands upon thousands of requests
> something like this might go unnoticed for a long time.
>
> When post parameters are dropped, most users would either see nothing
> happening and simply click again, or some error page comes up, they use
> the back button and click again.
>
> >The fact that they're not, is a pretty good indicator telling you that
> >the problem is not with Tomcat.  If it is a problem with Tomcat, you're
> >doing something very rare to get this bug to surface.
> >
> >
> Indeed. I wonder what that could be. We're running on a quad core
> server. Maybe it's some race condition?
>
> Kind regards,
> Arjan Tijms
>
> --
> It's a cult. If you've coded for any length of time, you've run across
> someone from this warped brotherhood. Their creed: if you can write
> complicated code, you must be good.
>
>
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