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From "Andrew Zhang" <zhanghuang...@gmail.com>
Subject Re: [classlib][luni] java.net.ServerSocketTest fails - need help
Date Wed, 27 Dec 2006 15:30:00 GMT
On 12/27/06, Tim Ellison <t.p.ellison@gmail.com> wrote:
>
> Mikhail Markov wrote:
> > On 12/27/06, Tim Ellison <t.p.ellison@gmail.com> wrote:
> >>
> >> Mikhail Markov wrote:
> >> > Why not use ServerSocket(0) to just *obtain* some positive non-busy
> >> port
> >> > number (and close it after port number obtaining) and after that test
> >> > ServerSocket constructor with this obtained port number? In this case
> >> we'll
> >> > not require any reserved ports at all.
> >>
> >> There is obviously a race condition there, so you may have to make a
> >> number of attempts to get the port you think is now free before others
> >> take it.
> >
> > The only race condition i see here is that another process could take
> this
> > port between closing of 1-st ServerSocket and opening a new one.
> > Is this what you mean?
> > (But the same thing may happen if one of applications takes pre-defined
> > fixed port at any point during tests run when it's free.)
>
> Exactly -- that's why you may need a number of attempts.


Attempt if the port doesn't work? Is it caused by code bug or real port
confliction? :-)

Regards,
> Tim
>



-- 
Best regards,
Andrew Zhang

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