title: Failed to launch chrome with selenium webdriver in python
body: <pre><code>import selenium
  from selenium import webdriver   
  webdriver.Chrome()
  </code></pre>
  
  <p>or</p>
  
  <p><strong><code>python -m pytest swim/tests/filename.py</code></strong>   </p>
  
  <p>give the error:-</p>
  
  <pre><code>Traceback (most recent call last):
    File "&lt;stdin&gt;", line 1, in &lt;module&gt;
    File "/home/ganesh/.virtualenvs/uniq/lib/python3.5/site-packages/selenium/webdriver/chrome/webdriver.py", line 69, in __init__
      desired_capabilities=desired_capabilities)
    File "/home/ganesh/.virtualenvs/uniq/lib/python3.5/site-packages/selenium/webdriver/remote/webdriver.py", line 151, in __init__
      self.start_session(desired_capabilities, browser_profile)
    File "/home/ganesh/.virtualenvs/uniq/lib/python3.5/site-packages/selenium/webdriver/remote/webdriver.py", line 240, in start_session
      response = self.execute(Command.NEW_SESSION, parameters)
    File "/home/ganesh/.virtualenvs/uniq/lib/python3.5/site-packages/selenium/webdriver/remote/webdriver.py", line 308, in execute
      self.error_handler.check_response(response)
    File "/home/ganesh/.virtualenvs/uniq/lib/python3.5/site-packages/selenium/webdriver/remote/errorhandler.py", line 194, in check_response
      raise exception_class(message, screen, stacktrace)
  selenium.common.exceptions.WebDriverException: Message: unknown error: Chrome failed to start: exited abnormally
    (Driver info: chrome-driver=2.30,platform=Linux 4.10.0-35-generic x86_64)
  </code></pre>
  
  <p>While running the test cases,browser is not getting launched and what are the things i tried was</p>
  
  <ul>
  <li>Tried Setting the path of chrome-driver and chromium-browser.</li>
  <li>Tried uninstalling the installing the chrome browser,chrome-driver and selenium in python.</li>
  <li>In lot of suggestions i have seen this Xvfb -ac :99 -screen 0 1280x1024x16 so i tried this too.</li>
  </ul>
  
  <p>Any help would be nice ??</p>