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Well, since the guy who wrote that is in my Perlmongers group and I got the link from following a discussion on our mailing list, I feel qualified to say he is talking about any dynamic web programming.

I went back and read the rest of the stuff on his site, and you're right. He's either talking about Perl without saying so, or is talking in general. The funny thing is that the page you cited could have come right out of a J2EE discussion forum.

I disagree though, that the underlying issue is that using a session object equates to using global state, unless there's some peculiarity with the one he's using. Generally, session objects are kept in a hash keyed by session id, and themselves hold hashes (or the equivalent) for stuffing in session-specific data. Adding data to one session doesn't ipso facto make it available to others. The problem, or one of them, is that session object can become a dumping ground for cruft that isn't garbage collected until the session expires. One can look at that as clogging up the session's namespace, I suppose.

In reply to Re: Re^2: Falling for the same trap - since 1942 by dws
in thread Falling for the same trap since 1942 by Aristotle

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