Docker 环境： Docker Container、ubuntu:18.10、geckodriver-v0.23.0-linux64、selenium-3.14.1
本地环境： Mac OSX、geckodriver-v0.23.0-linux64、selenium-3.14.1
为什么在我的 Mac 本地执行 JS 可以正常工作，但在 Docker 容器中却不能？
在 nfl.com 上触发错误的 Python 函数：
def scroll_down(driver, value):
""" Scroll down some """
driver.execute_script("window.scrollBy(0,"+str(value)+")")
来自 nfl.com 的追溯
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
在 nytimes.com 和 sony.com 上触发错误的 Python 函数：
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' + '"')
同样，这在本地工作正常。
慕丝7291255
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