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About SingleThreadModei Interface

chandra kunchala

Joined: Aug 06, 2008
Posts: 17
Dear ALL,

can you tell me the main purpuse of SingleThreadModel Interface.
i think so it was deprecated from servlet 2.3 version
till yet there is no alterenative for SingleThreadModel Interface i mean to say upto servlet 2.5 v right?

i want to know that what is the main puropuse of SingleThreadModel Interface. why it was deprecated from servlet 2.3 version

chandra SCJP5.0 97%

Thanks & Regards
Chandra SCJP5.0
Ulf Dittmer

Joined: Mar 22, 2005
Posts: 42965
The STM interface was meant to make servlets thread-safe by making sure that no two threads ran the same servlet instance at the same time. But over time it became clear that this is not sufficient to make web apps thread-safe; there are other concurrency issues (having to do with sessions and context attributes). So it was decided to abandon this nonfunctional approach to thread safety. The burden to make web apps thread-safe now lies solely with the application developer.
I agree. Here's the link:
subject: About SingleThreadModei Interface
It's not a secret anymore!