Quoting iostrym <[email protected]>:
Hi,
We have a TCL script that has a GUI that is executed by Jenkins using a
shell script in the job.
Then we have to use :
export DISPLAY=:<PORT_NUMBER>
I used things like that to try to avoid the use of a port number that is
already used by someone else or by another job :
export DISPLAY=:`expr "$BUILD_NUMBER" + "100"`
Is there a clean way in the jenkins shell script to get a port_number that
is free ? so that the job will never fail because of a port_number already
existant...
thanks a lot.
Try this: https://wiki.jenkins-ci.org/display/JENKINS/Port+Allocator+Plugin
Sorry, you asked for a free port number, but that's not really what you want.
As suggested, you should use
https://wiki.jenkins-ci.org/display/JENKINS/Xvfb+Plugin
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