Why is there sometimes no callback when qiniu uploads a video?

Source: Internet
Author: User
Why is there sometimes no callback when qiniu uploads a video? Why is there sometimes no callback when qiniu uploads a video?

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Why is there sometimes no callback when qiniu uploads a video?

From qiniu

Upload Process
Note 【],()

In qiniu cloud storage, the entire upload process is divided into several steps: the business server issues an upload credential to the client (end user) after the client uploads a file to qiniu with the upload credential and obtains complete data from qiniu, it initiates an HTTP request and calls back the file to the Business Server to save the relevant information, and return some information to qiniu to forward the information to the client (end user). Note that [the callback process to the Service server is (optional )], it depends on the upload credential issued by the Business Server. If there is no callback, qiniu will return some standard information (such as the file hash) to the client. If the upload occurs on the Business Server, the above process can be simplified to: The Business Server generates an uptoken (callback is not set, and it does not make sense to callback to itself) upload a file to qiniu with the upload credential. For example, save the relevant information. The server generates the upload credential Code as follows:

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