John Bateman wrote:
>
> The problem, we found accidentally, is if there are two concurrent requests
> to the servlet "DraftServlet" then the page show the 'gm' request but with
> the listing of players from BOTH gm's clicked on.
>
> ...
>
> I have no static methods and no static variables so shouldn't the object (in
> the ArrayList) be unique copies with no information being shared (I.E.
> through static or class variables/methods)?
>
The terminology gets tricky, but:
- There is (probably) only one copy of your servlet
object (is it declared as single threaded?)
- So there will be multiple threads executing through
your servlet object simultaneously.
- So it's not just class statics you have to worry
about, any plain-old class members will be shared
between threads.
I'd double check where exactly the array of players
is being declared, but that's just one possibility. Any
real diagnosis would probably require posting some of
your code.
-cks
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