Selenium hangs instantiating FirefoxDriver

Question

I try to get started with selenium (downloaded the current version today) and copied their example which opens a browser and performs a google search.

However, the program hangs forever in the 1st line WebDriver driver = new FirefoxDriver();.

I have Firefox 13 installed.

Thread dump:
Thread [main]
  Thread.sleep(long) line: not available [native method] [local variables unavailable]
  FirefoxBinary.sleep(long) line: 218
  FirefoxBinary.clean(FirefoxProfile, File) line: 234
  NewProfileExtensionConnection.start() line: 76
  FirefoxDriver.startClient() line: 200
  FirefoxDriver(RemoteWebDriver).(CommandExecutor, Capabilities) line: 94
  FirefoxDriver.(FirefoxBinary, FirefoxProfile) line: 147
  FirefoxDriver.() line: 85
  Test.main(String[]) line: 24

score 23 · Accepted Answer · edited May 23 '17 at 10:30

23

These cases are usually when Firefox & Selenium are a little "out of sync" in terms of compatibility.

You should try two things: update Selenium to the latest one and/or downgrade Firefox. Keeping an eye on the Selenium Release Notes

edited May 23 '17 at 10:30

Community

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answered May 23 '12 at 08:26

Arran

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Right, Selenium hasn't released support for Firefox 13 yet. – Ross Patterson May 23 '12 at 20:34
Selenium 2.23 includes Firefox 13 support. – JimEvans Jun 08 '12 at 10:46
My answer was before Firefox 13 even reached release stages, I've edited it to now. – Arran Jun 08 '12 at 10:52
There is also a pageLoadTimeout now. – Andrew Scott Evans Oct 12 '16 at 17:54

score 3 · Answer 2 · answered Jun 08 '12 at 11:25

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Firefox 13 support was added in Selenium 2.23. See http://code.google.com/p/selenium/source/browse/trunk/java/CHANGELOG

answered Jun 08 '12 at 11:25

user405935

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+1 Thanks. That did it for me. Updated Selenium via Package Manager. Bang! Fixed. – Ralph Lavelle Jul 28 '12 at 13:07

score 0 · Answer 3 · answered Jun 08 '12 at 05:46

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Normally a new browser's hot - I was looking for a problem elsewhere. Webdriver or selenium server. http://d.pr/i/Q5Dt

answered Jun 08 '12 at 05:46

RDPanek

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score 0 · Answer 4 · answered Feb 27 '13 at 07:00

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I've been working OK with Firefox 18, but I just got auto-updated to 19 which seems to break the webdriver. Mozilla isn't prominent with the links to prior versions:

https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/18.0b7/mac/en-US/

answered Feb 27 '13 at 07:00

Steve

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storm_m2138 · Answer 5 · 2017-08-09T21:06:17.497

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Saw this behavior when trying to instantiate the webdriver on a headless CentOS server without display being set.

Per https://serverfault.com/questions/363827/how-can-i-run-firefox-on-centos-with-no-display -- you can use Xvfb, which gives you an X server that doesn't require connection to a physical display

edited Aug 09 '17 at 21:06

answered Aug 09 '17 at 18:55

storm_m2138

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Whilst this may theoretically answer the question, [it would be preferable](//meta.stackoverflow.com/q/8259) to include the essential parts of the answer here, and provide the link for reference. – GhostCat Aug 09 '17 at 18:57

Selenium hangs instantiating FirefoxDriver

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