This was the explination given in support of the said answer
Implementation of the request and response objects are "not guaranteed" to be thread safe. They should only be used within the scope of the request handling thread.
References to the request and response objects must not be given to objects executing in other threads as the resulting behaviour may be non-deterministic.
Regards<br />Sandy<br />[SCJP 5.0 - 75%]<br />[SCWCD 1.4 - 85%]<br />------------------<br />Tiger, Tiger burning bright,<br />Like a geek who works all night,<br />What new-fangled bit or byte,<br />Could ease the hacker's weary plight?