Gerald Richter wrote:
Ok - I've done that. The SES: message always comes from the
parent process so it is not always easy to match the SESSION
data to the child process that is actually performing the request.
The question is, what are you seeing in case of the problem you have. Could
you quote the SES: messages from the log for this case?
I don't see any problem with the SES messages. They show the cookies
coming in, being modified and being sent normally. The actual data in
the some of the cookies are sometimes inconsistent and incorrect, and
they often have changing IP addresses AND changing AGENT s(although
this can and does change often even for valid sessions). I do have an
example of a single session being used by both a Windows XP box and a
Max OS/X box. Pretty cool trick.
The problem seems directly attributable to a 500 configuration error
occuring with a request that was using the session. These configuration
errors were occuring because of an error in our code which was causing
Storable to fail. It seems like the next connection to a process that
has sufferered a 500 error, inherits the session data that is currently
in udat. Since we overwrite a lot of the session data, the session now
contains data from the original session and whatever we overwrite from
the current request..
Of course, now we have two users of the same session, and the
udat/session routines do not handle this multi-user activity well.
We have fixed some issues with our code that caused 500 errors, which is
good in any case. Hopefully you will also modify the Embperl code to
emit a 404 error when a file is not found instead of a 500 error. I am
not sure if this can cause a similar situation.
Perhaps some of the Session exceptions are not clearing udat, which
causes the next connection to that process to inherit the existing
session data. If you agree, I will send a note regarding this to the
developer of Apache::Session.
Cliff
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