Error while obtaining start requests Traceback (most recent call last):

报错如下

2020-05-03 12:36:12 [scrapy.core.engine] ERROR: Error while obtaining start requests
Traceback (most recent call last):
  File "e:\py_code\venv\lib\site-packages\scrapy\core\engine.py", line 129, in _next_request
    request = next(slot.start_requests)
  File "e:\py_code\venv\lib\site-packages\scrapy\spiders\__init__.py", line 77, in start_requests
    yield Request(url, dont_filter=True)
  File "e:\py_code\venv\lib\site-packages\scrapy\http\request\__init__.py", line 25, in __init__
    self._set_url(url)
  File "e:\py_code\venv\lib\site-packages\scrapy\http\request\__init__.py", line 69, in _set_url
    raise ValueError('Missing scheme in request url: %s' % self._url)
ValueError: Missing scheme in request url: www.itcast.cn/channel/teacher.shtml#ac

解决

• 首先检查你的start_urls是不是列表类型
• 然后检查你的url有没有https://,我这里就是少了https://