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Is it printed wrongly?
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fang yuan
Greenhorn
Joined: Dec 19, 2007
Posts: 1
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I'm puzzled while reading the book "Head First Servlets&JSP" on page 21,
when i encountered a sentence as follow:Using one server app per port,a server can have up to 65536 diferent server apps running( although it's
possible to run more than one app on the same port if the apps use different protocols).
If so,could i deploy one app using FTP protocol and another one using HTTP,both on port 80? Is it printed wrongly or do i make a mistake?
i think the last sentence should be:
although it's
possible to run more than one app on the same port if the apps use the same protocol). 
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Pradeep bhatt
Ranch Hand
Joined: Feb 27, 2002
Posts: 8876
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It is possible to run more than one app on the same port at the same time.
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Groovy
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Joe Ess
Bartender
Joined: Oct 29, 2001
Posts: 8259
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Originally posted by Pradip Bhat:
It is possible to run more than one app on the same port at the same time.
No it is not. I'm curious to know what they mean by stating that different protocols would make it OK. I suppose one could make a proxy app to bind to a particular port and forward requests according to the protocol, but the downstream apps would still need to bind to their own ports.
Submit your find to the errata.
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"blabbing like a narcissistic fool with a superiority complex" ~ N.A.
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Pradeep bhatt
Ranch Hand
Joined: Feb 27, 2002
Posts: 8876
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Sorry, it was a typo. 
I had meant It is not possible to run more than one app on the same port at the same time. 
[ December 19, 2007: Message edited by: Pradip Bhat ]
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subject: Is it printed wrongly?
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