This topic describes the FAQ about online prediction.

Where is the description of the online prediction feature?

Online prediction applies only to models, not the entire process. For more information, see Deployment and prediction of a Machine Learning Studio model.

Why does the AuthorizationFailed error occur?

This error occurs because you attempt to use the online prediction feature as a Resource Access Management (RAM) user. This feature is available only for Alibaba Cloud accounts.

Why does the kInvalidArgument error occur?

This error occurs because the Body field is invalid.

Why does the CanNotVisitTheRouter error occur?

This error occurs because the request URL for online prediction is invalid.