Exception with Selenium RemoteDriver: SessionNotCreatedException: Unable to create new remote session

[cyrille-leclerc]

docker run -it cleclerc/java-build-tools bash

python

from selenium import webdriver
from selenium.webdriver.common.desired_capabilities import DesiredCapabilities

driver = webdriver.Remote(
   command_executor='http://127.0.0.1:4444/wd/hub',
   desired_capabilities=DesiredCapabilities.FIREFOX)

driver.get('http://python.org')

Caused by: org.openqa.selenium.SessionNotCreatedException: Unable to create new remote session. desired capabilities = Capabilities [{marionette=true, firefoxOptions=org.openqa.selenium.firefox.FirefoxOptions@3b18878b, browserName=firefox, javascriptEnabled=true, moz:firefoxOptions=org.openqa.selenium.firefox.FirefoxOptions@3b18878b, version=, platform=ANY}], required capabilities = Capabilities [{}]
Build info: version: '3.0.1', revision: '1969d75', time: '2016-10-18 09:48:19 -0700'
System info: host: '4f3027ccce2e', ip: '172.17.0.3', os.name: 'Linux', os.arch: 'amd64', os.version: '4.4.41-moby', java.version: '1.8.0_45-internal'
Driver info: driver.version: FirefoxDriver
	at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:91)
	at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:141)
	at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:82)
	at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:601)
	at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:241)
	at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:128)
	at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:259)
	at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:247)
	at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:242)
	at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:135)
	... 14 more

$ env
SELENIUM_VERSION=3.0.1
SCREEN_HEIGHT=1020
HOSTNAME=6c8117c08371
TERM=xterm
SCREEN_WIDTH=1360
ANT_HOME=/usr/share/ant
GEOMETRY=1360x1020x24
LS_COLORS=rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.axv=01;35:*.anx=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.axa=00;36:*.oga=00;36:*.spx=00;36:*.xspf=00;36:
MAVEN_VERSION=3.3.9
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
MAVEN_HOME=/usr/share/maven
SELENIUM_MAJOR_VERSION=3.0
PWD=/
SCREEN_DEPTH=24
AZURE_CLI_VERSION=0.10.8
HOME=/home/jenkins
SHLVL=1
no_proxy=*.local, 169.254/16
LESSOPEN=| /usr/bin/lesspipe %s
ANT_VERSION=1.9.8
DISPLAY=:99.0
LESSCLOSE=/usr/bin/lesspipe %s %s
_=/usr/bin/env

ps -aux
USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
jenkins     11  0.0  0.0   4472  1652 ?        S    19:06   0:00 /bin/sh /usr/bin/xvfb-run -n 99 --server-args=-screen 0 1360x1020x24 -ac +extension RANDR java -jar /opt/selenium/selenium-server-standalone.jar
jenkins     31  0.5  1.2 187328 26436 ?        Sl   19:06   0:00 Xvfb :99 -screen 0 1360x1020x24 -ac +extension RANDR -nolisten tcp -auth /tmp/xvfb-run.vcnnzl/Xauthority
jenkins     38  3.3  2.3 3431180 47404 ?       Sl   19:06   0:02 java -jar /opt/selenium/selenium-server-standalone.jar

http://selenium-python.readthedocs.io/installation.html

[cyrille-leclerc]

I cannot reproduce the problem with the selenium/standalone-firefox docker image.

docker run -it selenium/standalone-firefox bash
nohup /opt/bin/entry_point.sh  &
[1] 61
seluser@27fc2cf63136:/$ nohup: ignoring input and appending output to '/home/seluser/nohup.out'
 
ps -aux

USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
seluser     19  0.0  0.0   4508  1248 ?        S    11:00   0:00 /bin/sh /usr/bin/xvfb-run -n 99 --server-args=-screen 0 1360x1020x24 -ac +extension RANDR java -jar /opt/selenium/selenium-server-standalone.jar
seluser     30  0.0  1.6 211256 33788 ?        Sl   11:00   0:00 Xvfb :99 -screen 0 1360x1020x24 -ac +extension RANDR -nolisten tcp -auth /tmp/xvfb-run.FnUGGw/Xauthority
seluser     37  0.4  2.3 3431336 47360 ?       Sl   11:00   0:01 java -jar /opt/selenium/selenium-server-standalone.jar

cat /home/seluser/nohup.out

11:00:48.544 INFO - Selenium build info: version: '3.0.1', revision: '1969d75'
11:00:48.545 INFO - Launching a standalone Selenium Server
2017-01-20 11:00:48.579:INFO::main: Logging initialized @375ms
11:00:48.677 INFO - Driver provider org.openqa.selenium.ie.InternetExplorerDriver registration is skipped:
 registration capabilities Capabilities [{ensureCleanSession=true, browserName=internet explorer, version=, platform=WINDOWS}] does not match the current platform LINUX
11:00:48.677 INFO - Driver provider org.openqa.selenium.edge.EdgeDriver registration is skipped:
 registration capabilities Capabilities [{browserName=MicrosoftEdge, version=, platform=WINDOWS}] does not match the current platform LINUX
11:00:48.677 INFO - Driver class not found: com.opera.core.systems.OperaDriver
11:00:48.678 INFO - Driver provider com.opera.core.systems.OperaDriver registration is skipped:
Unable to create new instances on this machine.
11:00:48.678 INFO - Driver class not found: com.opera.core.systems.OperaDriver
11:00:48.678 INFO - Driver provider com.opera.core.systems.OperaDriver is not registered
11:00:48.679 INFO - Driver provider org.openqa.selenium.safari.SafariDriver registration is skipped:
 registration capabilities Capabilities [{browserName=safari, version=, platform=MAC}] does not match the current platform LINUX
2017-01-20 11:00:48.730:INFO:osjs.Server:main: jetty-9.2.15.v20160210
2017-01-20 11:00:48.760:INFO:osjsh.ContextHandler:main: Started o.s.j.s.ServletContextHandler@5d5eef3d{/,null,AVAILABLE}
2017-01-20 11:00:48.787:INFO:osjs.ServerConnector:main: Started ServerConnector@1b604f19{HTTP/1.1}{0.0.0.0:4444}
2017-01-20 11:00:48.787:INFO:osjs.Server:main: Started @584ms
11:00:48.787 INFO - Selenium Server is up and running

env

SCREEN_HEIGHT=1020
HOSTNAME=63f203939202
DEBCONF_NONINTERACTIVE_SEEN=true
TERM=xterm
SCREEN_WIDTH=1360
LS_COLORS=rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36:
NODE_MAX_INSTANCES=1
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
NODE_MAX_SESSION=1
PWD=/
SCREEN_DEPTH=24
TZ=US/Pacific
SHLVL=1
HOME=/home/seluser
no_proxy=*.local, 169.254/16
DEBIAN_FRONTEND=noninteractive
NODE_REGISTER_CYCLE=5000
DISPLAY=:99.0
_=/usr/bin/env