HttpServlet is not thread safe. Synchronize your code where needed
----- Original Message -----
From: "Sebastian Schulz" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, June 14, 2001 11:08 AM
Subject: MultiThreadModel-Problem?
> hi,
>
> i use a servlet in MultiThreadModel-mode (default).
> when 2 users at the same time makes the same request
> to the servlet (a operation that needs a bit) it seams, that
> only the request of the user who was perhaps a millisecond
> earlier is responded correct, the other seams to be ignored.
>
> (i think, this is perhaps a concurency-problem, but i do not use
> static variables and could not find an error)
>
> the second question is: data-container like HashMap or HashSet
> are considered to be not Thread-save. Can i use such containers
> in a MultiThreadModel-Servlet or must i use only slower structures
> like Vector?
>
> your help is realy needed, many thanks
> in advance!
>
> basti
>
