Docker environment: Docker Container, ubuntu:18.10, geckodriver-v0.23.0-linux64, selenium-3.14.1
Local environment: Mac OSX, geckodriver-v0.23.0-linux64, selenium-3.14.1
Why would executing JS work fine locally on my Mac, but not in a Docker container?
Python function that is triggering error on nfl.com:
def scroll_down(driver, value):
""" Scroll down some """
driver.execute_script("window.scrollBy(0,"+str(value)+")")
Traceback from nfl.com
Traceback (most recent call last):
File "/app/foo/foo.py", line 159, in <module>
main()
File "/app/foo/foo.py", line 150, in main
detect_full_html_loaded(driver)
File "/app/foo/foo.py", line 55, in detect_full_html_loaded
scroll_down(driver, 1000)
File "/app/foo/foo.py", line 45, in scroll_down
driver.execute_script("window.scrollBy(0,"+str(value)+")")
File "/usr/local/lib/python3.6/dist-packages/selenium/webdriver/remote/webdriver.py", line 636, in execute_script
'args': converted_args})['value']
File "/usr/local/lib/python3.6/dist-packages/selenium/webdriver/remote/webdriver.py", line 321, in execute
self.error_handler.check_response(response)
File "/usr/local/lib/python3.6/dist-packages/selenium/webdriver/remote/errorhandler.py", line 242, in check_response
raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.WebDriverException: Message: Failed to decode response from marionette
Python function that is triggering error on nytimes.com and sony.com:
def capture_screenshot(assets_dir, url, sleep, driver):
""" Take simple screenshot of above-the-fold """
driver.get(url)
time.sleep(sleep)
driver.set_window_size(1400, 700)
Image.open(BytesIO(driver.get_screenshot_as_png())).save(os.path.join(assets_dir,'screenshot.png'))
print('Created: "' + assets_dir + 'screenshot.png' + '"')
Traceback on nytimes.com:
Traceback (most recent call last):
File "/app/foo/foo.py", line 159, in <module>
main()
File "/app/foo/foo.py", line 152, in main
capture_element_pic(input_file, assets_dir, data['finalUrl'], sel, sleep, driver)
File "/app/foo/foo.py", line 89, in capture_element_pic
driver.set_window_size(1400, driver.execute_script("return document.body.parentNode.scrollHeight"))
File "/usr/local/lib/python3.6/dist-packages/selenium/webdriver/remote/webdriver.py", line 1090, in set_window_size
self.set_window_rect(width=int(width), height=int(height))
File "/usr/local/lib/python3.6/dist-packages/selenium/webdriver/remote/webdriver.py", line 1182, in set_window_rect
"height": height})['value']
File "/usr/local/lib/python3.6/dist-packages/selenium/webdriver/remote/webdriver.py", line 321, in execute
self.error_handler.check_response(response)
File "/usr/local/lib/python3.6/dist-packages/selenium/webdriver/remote/errorhandler.py", line 242, in check_response
raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.WebDriverException: Message: [Exception... "Failure" nsresult: "0x80004005 (NS_ERROR_FAILURE)" location: "JS frame :: chrome://marionette/content/browser.js :: get rect :: line 254" data: no]
Traceback from sony.com
Traceback (most recent call last):
File "/app/foo/foo.py", line 159, in <module>
main()
File "/app/foo/foo.py", line 149, in main
capture_screenshot(assets_dir, data['finalUrl'], sleep, driver)
File "/app/foo/foo.py", line 82, in capture_screenshot
Image.open(BytesIO(driver.get_screenshot_as_png())).save(os.path.join(assets_dir,'screenshot.png'))
File "/usr/local/lib/python3.6/dist-packages/selenium/webdriver/remote/webdriver.py", line 1064, in get_screenshot_as_png
return base64.b64decode(self.get_screenshot_as_base64().encode('ascii'))
AttributeError: 'NoneType' object has no attribute 'encode'
Again, this works fine locally.
