运行一段时间后报500错误

[wallyperry]

ERROR in app: Exception on /api/v2/get_card [POST]
Traceback (most recent call last):
File "/usr/local/lib/python3.8/site-packages/flask/app.py", line 2447, in wsgi_app
response = self.full_dispatch_request()
File "/usr/local/lib/python3.8/site-packages/flask/app.py", line 1952, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/usr/local/lib/python3.8/site-packages/flask_cors/extension.py", line 165, in wrapped_function
return cors_after_request(app.make_response(f(*args, **kwargs)))
File "/usr/local/lib/python3.8/site-packages/flask/app.py", line 1821, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python3.8/site-packages/flask/_compat.py", line 39, in reraise
raise value
File "/usr/local/lib/python3.8/site-packages/flask/app.py", line 1950, in full_dispatch_request
rv = self.dispatch_request()
File "/usr/local/lib/python3.8/site-packages/flask/app.py", line 1936, in dispatch_request
return self.view_functionsrule.endpoint
File "/usr/src/app/service/api/user.py", line 409, in get_card
return jsonify(card.only_card()) #返回卡密和订单时间
AttributeError: 'NoneType' object has no attribute 'only_card'

[Baiyuetribe]

此处是机器自己查询的订单入口，如果出现，意味着你的订单没有及时创建，空白的内容，返回的肯定是异常的

[wallyperry]

不是在查询时发生的错误，是在用户付款后，get_card出现的500错误

[Baiyuetribe]

就是因为订单没有及时创建，系统查询不到，所以出错。正常情况下，卡密处理是瞬间的过程，请反馈一下你的卡密长度，机器配置。

[wallyperry]

卡密长度只有4，机器是2核4G的Centos7.9，Python 2.7.5/3.6.8

[Baiyuetribe]

那就只有一种可能，如果你升级过发卡系统，可能是版本不相同导致的。