selenium.common.exceptions.WebDriverException：消息：无法加载配置文件

Question

I'm using selenium with python to do some automated testing

my code was working correctly until this morning, when I run it it gave me this exception

     driver = fwb.WebDriver(firefox_profile=ff_profile, firefox_binary=ff_bin)
  File "/usr/lib/python2.6/site-packages/selenium/webdriver/firefox/webdriver.py", line 59, in __init__
    self.binary, timeout),
  File "/usr/lib/python2.6/site-packages/selenium/webdriver/firefox/extension_connection.py", line 47, in __init__
    self.binary.launch_browser(self.profile)
  File "/usr/lib/python2.6/site-packages/selenium/webdriver/firefox/firefox_binary.py", line 66, in launch_browser
    self._wait_until_connectable()
  File "/usr/lib/python2.6/site-packages/selenium/webdriver/firefox/firefox_binary.py", line 105, in _wait_until_connectable
    raise WebDriverException("Can't load the profile. Profile "
selenium.common.exceptions.WebDriverException: Message: Can't load the profile. Profile Dir: %s If you specified a log_file in the FirefoxBinary constructor, check it for details.

I'm working on CentOS release 6.7 (Final), firefox 38.6.0, selenium 2.52

PS: YESTERDAY it was working perfectly, I didn't do any changes, today it crashes

any ideas ?

Answer 1

I found a workaround. The problem appears because the compatibility check for FF extensions takes more than 30 secounds. Installing the FF extension "Disable Add-on Compatibility Checks" skips this and everything is fine.

Answer 2

The problem was 127.0.0.1 blocked in the firewall of the server. I don't know how it's blocked, but when I removed it from the firewall, it worked