Common HTTP code error causes and handling

Common HTTP errors can be categorized into the following four categories. Each class is subdivided into many small errors. When you do not open the site or open the site error, first check whether you entered the site is wrong, check the network is a problem or whether the DNS of the virtual host can be resolved. Check the following HTTP common error analysis when you are sure there are no problems:

1, 400 error

Cause: The page you are trying to open does not exist or the authentication information you have filled in is incorrect.

Workaround: Retry the submission of the ticket after the error is still incorrect.

2, 401 Error

The most common error hint: 401 Unauthorized
Issue reason: The Web site returned an HTTP 401 error when you tried to access a restricted page but was not authorized. A bad logon attempt is the main cause of this error.
Workaround: Contact the webmaster to get the correct account. Submit Work order contact technician for processing.

3, 403 error

The most common error hint: 403 FORBIDDEN
Problem reason: The site is usually not bound by default home page or binding default home page error.
Workaround: You check the default home page of your program, add the default home page in the background.

4, 404 error

The most common error hint: 404 Not FOUND
Cause: When you open a Web site, you cannot find the file you requested (that is, the Web page), the file may be moved somewhere else, or it will not exist at all.
Solution:
1) Please log in to FTP to check whether the file or webpage does not exist, to restore the missing Web files to the correct location.
2) Submit a ticket to recover your data for one day of the week.

5, 500 error

The most common error hint: SERVER error
Cause of the problem:
1) The server-side web design is problematic and the server does not open detailed error prompts.
Workaround:
1) Download the program to local, then check the program, upload the complete correct website program.
2) Submit work order to contact technician for processing.

6, 503 Error

Cause: The application pool is closed or the traffic is running out due to incompatible program configuration .

Workaround:
1) The Linux virtual host can be restored to normal by restarting the site in the background. If not, please submit a ticket.
2) Widows Virtual Host please submit work order Contact Technician.

Common HTTP code error causes and handling