Shulou(Shulou.com)06/03 Report--

This article mainly introduces "what are the ways in which reptile agents report errors". In daily operation, I believe that many people have doubts about the ways in which reptiles report errors. The editor consulted all kinds of materials and sorted out simple and useful methods of operation. I hope it will be helpful for you to answer the doubts of "what are the ways of reporting errors by reptile agents?" Next, please follow the editor to study!

1 、 407 Proxy Authentication Required .

The agent authentication information is incorrect. The agent requires user authentication and needs to have the correct user authentication header.

2 、 429 Too Many Requests .

There are two possibilities for returning this status code:

Request is too fast. Request rate needs to be reduced.

The target website has an anti-crawling mechanism, which limits the crawler's request.

3. The 403 server rejects the request.

May be caused by the protection measures of the target website, it is recommended to upgrade the crawler policy, or replace the high-quality HTTP agent, the operator authorized to build their own computer room, low latency and high availability.

4 、 504 Proxy Gateway TimeoutLink .

There are two situations when returning 504:

Agent is switching IP. Just take a break and try again.

The target site is unreachable.

At this point, the study on "what are the ways in which reptile agents report errors" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.