Barney,
Session,application server variables are not protected from simultaneous
read/write access. Therefore you should always use CFLOCK tag when
readin/writing to thyese variable scopes. If you don't, its possible that
several requests could occur at same time. This could corrupt data or
Depending on your use of variables within the site - it may cause "hanging"
of sessions variables, when people from the same network access the site.
For example, when we created a site in eleven different languages (using
session variables set via a log-in) people from the same company where
Don't locking your application, session and server vars means crashing your
cfserver, overwriting session and application information from other running
applications. You are messing up your shared memory. This is why locking is
that important.
-Original Message-
From: Barney Stevenson
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