I was thinking that attribute in request or response is
thread safe ..but i read in the specs that they are not so when setting an attribute in request object we have to synchronize that code...I was thinking the only way request object is not thread safe is if we store its reference and use it later on ..But one another question how its possible to use the request reference after the
servlet life cycle is over...For reference pls go on page 28 SRV 2.3.3.3.3 in Servlet specs