I try to run firefox in headless mode for selenium.
$xvfb-run firefox seems to work.
I run firefox through selenium so i cannot run xvfb-run directly.
So i start
Xvfb :1 -screen 0 1024x768x24 &
and then
set DISPLAY:=1
env DISPLAY:=1
Still when i run firefox i get
Error: no display specified
I run on centos 6 and firefox 38 ESR.
What can be done?
can you try that?
export DISPLAY=:1
start firefox with --display arg
/usr/bin/firefox --display=:1
Related
I successfully installed nssm with the command: PS C:\Users\MyUser> nssm install selenium-server java -jar "C:\selenium\selenium-server-standalone-3.141.59.jar
Then I try to proceed to run my Behat tests, the tests appear to be running when I see the steps pass in the command line. Strangely, I do not see Chrome open up as the test progresses.
If I run selenium-server manually (without nssm), then I can see Chrome running the test fine.
This is not about viewport. The viewport is ok. One thing is the viewport size of the screen, width and height, and another is the graphical interface browser (window), that is opened when you run casperjs test.js --engine=slimerjs.
It's ok that the browser opens when I run casperjs test.js --engine=slimerjs, very useful for testing purposes. But when I stopped testing and want to do something bigger I don't want that browser window open 10 times or 100 times.
I've been reading a while and couldn't find any in the documentation, google or here.
If this is possible, throw the command, I will be very grateful for that. Thank you very much.
Had the same requirement. xvfb (virtual frame buffer) does this work easily
Install xvfb with this command.
sudo apt-get install xvfb
Then run it using this prefix.
xvfb-run -a
So run the command like
xvfb-run -a casperjs tests.js --engine=slimerjs
This will run the application in the headless mode.
Yes, it`s possible, you can hidden window with xvfb util. How to do it. Docs
I have setup the xvfb server on my headless server and when I m running the
DISPLAY=:99 firefox
I am getting this exception missing RANDR extension
Many of them said to disable some xinerna from the xorg.conf file but this file is not getting created in my case.
So I am searching for how to add the missing RANDR extension.
I am seeing this error message when I run Firefox headless through selenium using xvfb. It turns out that the message was a red herring for me. The message is only a warning, not an error. It is not why Firefox was not starting correctly.
The reason that Firefox was not starting for me was that it had been updated to a version that was no longer compatible with the Selenium drivers that I was using. I upgraded the selenium drivers to the latest and Firefox starts up fine again (even with this warning message about RANDR).
New releases of Firefox are often only compatible with one or two versions of Selenium. Occasionally Firefox is released with NO compatible version of Selenium. When that happens, it may take a week or two for a new version of Selenium to get released. Because of this, I now keep a version of Firefox that is known to work with the version of Selenium that I have installed. In addition to the version of Firefox that is kept up to date by my package manager, I have a version installed in /opt/ (eg /opt/firefox31/). The Selenium Java API takes an argument for the location of the Firefox binary to be used. The downside is that older versions of Firefox have known security vulnerabilities and shouldn't be used with untrusted content.
First off, Xvfb doesn't read configuration from xorg.conf. Xvfb is a variant of the KDrive X servers and like all members of that family gets its configuration from the command line.
It is true that XRandR and Xinerama are mutually exclusive, but in the case of Xvfb there's no Xinerama in the first place. You can enable the XRandR extension by starting Xvfb using at least the following command line options
Xvfb +extension RANDR [further options]
I had the same problem with Firefox 30 + Selenium 2.49 + Ubuntu 15.04.
It worked fine with Ubuntu 14 but after upgrade to 15.04 I got same RANDR warning and problem at starting Firefox using Xfvb.
After adding +extension RANDR it worked again.
$ vim /etc/init/xvfb.conf
#!upstart
description "Xvfb Server as a daemon"
start on filesystem and started networking
stop on shutdown
respawn
env XVFB=/usr/bin/Xvfb
env XVFBARGS=":10 -screen 1 1024x768x24 -ac +extension GLX +extension RANDR +render -noreset"
env PIDFILE=/var/run/xvfb.pid
exec start-stop-daemon --start --quiet --make-pidfile --pidfile $PIDFILE --exec $XVFB -- $XVFBARGS >> /var/log/xvfb.log 2>&1
I am trying to setup a linux box (no display connected) to run as a selenium server. If I connect a monitor and login on the box then I can run the selenium tests no problem. If I try to run the tests via ssh then the tests fail with
Failed to start new browser session, shutdown browser and clear all session data
java.lang.RuntimeException: Timed out waiting for profile to be created!
at org.openqa.selenium.server.browserlaunchers.FirefoxChromeLauncher.waitForFullProfileToBeCreated(FirefoxChromeLauncher.java:360)
at org.openqa.selenium.server.browserlaunchers.FirefoxChromeLauncher.populateCustomProfileDirectory(FirefoxChromeLauncher.java:114)
I think it has something to do with the display's absence / presence. Any ideas?
PS the browser is firefox 5, the OS is Ubuntu 11.04
I got it to work by using xvfb. So first install xvfb:
sudo apt-get install xvfb
then run it
Xvfb :99 -ac
and then start the selenium server
DISPLAY=:99 java -jar selenium-server-standalone-2.4.0.jar
Here is my answer.
You get this error because there is no monitor to open firefox on, it is getting confused.
Install Xvfb, which pretends to be a monitor, but doesn't show up anywhere.
sudo apt-get install xvfb
If you want less errors add these fonts, but those warning aren't important.
sudo apt-get install xfonts-100dpi xfonts-75dpi xfonts-scalable xfonts-cyrillic
Then start it running and set your display to something the system won't use. Here is what I do, remeber the & makes the terminal run something in the background.
Xvfb :99 -ac &
export DISPLAY=:99
firefox &
Also I was having problems with a ruby on rails server disconnecting when I quit the ssh terminal. To fix that problem use Screen. Screen runs another terminal without being affected by the ssh.
sudo apt-get install screen
Then just start screen before you you do the stuff above.
screen
To get out of the current screen window just click "Ctrl + A" and to get back in type screen -r.
There is a good way to test using imagemagick screen shoot
Install mozilla firefox headless(no GUI)
yum install xorg-x11-server-Xvfb.x86_64 xfonts-base xfonts-75dpi xfonts-100dpi firefox ImageMagick.x86_64
Starts firefox on virtual gui
DISPLAY=:1 firefox http://google.com &
– test and check
Xvfb :1 -screen 1 1024x768x24 &
ps -ef |grep firefox
Uses imagemagic to get a printscreen, to make sure its working.
DISPLAY=:1 import -window root google.com.png
(Optional) Set proxy in firefox profile
vi /root/.mozilla/firefox/ns11i9xo.default/prefs.js
user_pref(“network.proxy.http”, “proxyserver”);
user_pref(“network.proxy.http_port”, 8080);
user_pref(“network.proxy.no_proxies_on”, “localhost, 127.0.0.1, 172.17.0.0/16, 10.5.0.0/16″);
http://felipeferreira.net/?p=1220
I'm setting up to cron a web scraping job, using xvfb, firefox, and watir on my Mac OS X.
In testing the script so far, firefox pops up visibly on the local desktop, the watir script executes, and then firefox exits (I quit firefox in my script).
I'd like to set the xvfb DISPLAY such that firefox will run, but won't be seen on the local desktop, running 'in the background' so to speak.
Nothing I've been able to find online discusses such a possibility - nor explains that it's not possible.
Is it possible? If so, what do I need to do to make it work?
This is what we use to build packages whose testsuite require running Xserver in Linux:
#############################################
### Launch a virtual framebuffer X server ###
#############################################
export DISPLAY=":98"
Xvfb $DISPLAY >& Xvfb.log &
trap "kill $! || true" EXIT
sleep 10
...
# start your application/testsuite here
I tried it with firefox in a script. And does what you need (if your firefox in OSX also uses X11 of course).
there's a gem called Headless for this kind of stuff.
I've tried it with Selenium in my Ubuntu and works fine.