2:03 p.m.
hello undertow developers!
is there a way to start a http listener on a random free port? i have a test suite that
runs multithreaded so each untertow server uses a random port, that i get like this:
new ServerSocket(0).getLocalPort()
sometimes i run into a race condition when a different process grabs the port before
undertow listens on it. so a possible solution would be to just let undertow assign the
port, and then ask it what port its listening on. (or pass the socket instead of the port
number to undertow)
is that a worthwile feature? should i try to submit a pr that does that? or is it already
possible?
thanks!
10:24 p.m.
We don't support this at the moment, but it would be something that is
nice to have.
Stuart
On Wed, Nov 30, 2016 at 12:03 AM, Sascha Sadat-Guscheh <kid(a)bitkid.com> wrote:
hello undertow developers!
is there a way to start a http listener on a random free port? i have a test suite that
runs multithreaded so each untertow server uses a random port, that i get like this:
new ServerSocket(0).getLocalPort()
sometimes i run into a race condition when a different process grabs the port before
undertow listens on it. so a possible solution would be to just let undertow assign the
port, and then ask it what port its listening on. (or pass the socket instead of the port
number to undertow)
is that a worthwile feature? should i try to submit a pr that does that? or is it already
possible?
thanks!
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7:09 a.m.
Hi,
For what it's worth, we had the same issue. We worked around it by opening
a server socket ourselves, check the port that it grabbed and immediately
closing the socket and then assign that port to Undertow. This is very
unlikely to go into a race, as the kernel always assigns incrementing port
numbers. It's a bit of a hack, but works for us.
Friso
On Wed, Nov 30, 2016 at 10:24 PM, Stuart Douglas <sdouglas(a)redhat.com>
wrote:
We don't support this at the moment, but it would be something
that is
nice to have.
Stuart
On Wed, Nov 30, 2016 at 12:03 AM, Sascha Sadat-Guscheh <kid(a)bitkid.com>
wrote:
> hello undertow developers!
>
> is there a way to start a http listener on a random free port? i have a
test suite that runs multithreaded so each untertow server uses a random
port, that i get like this:
>
> new ServerSocket(0).getLocalPort()
>
> sometimes i run into a race condition when a different process grabs the
port before undertow listens on it. so a possible solution would be to
just let undertow assign the port, and then ask it what port its listening
on. (or pass the socket instead of the port number to undertow)
>
> is that a worthwile feature? should i try to submit a pr that does that?
or is it already possible?
>
> thanks!
>
> _______________________________________________
> undertow-dev mailing list
> undertow-dev(a)lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/undertow-dev
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2 comments
3 participants
participants (3)
-
Friso van Vollenhoven -
Sascha Sadat-Guscheh -
Stuart Douglas