/v1/token Return Could not Exchange code for an access token

[zhanyajun]

Hello team

Read this document at Before you begin | Okta Developer and configured with a example

Request code: Could not Exchange code for an access token

The return is simply NULL

[erin.p]

Are you using this sample app and seeing this error or did you create your own?

[zhanyajun]

This example, has been tried, through the SDK, into the project has also been tried, into your own project in the local environment, not using protocols like HTTPS: Internet

example:

Create your own：

[zhanyajun]

Redirection to the login page: /v1/authorize. It is also possible to obtain code, but it is not possible to obtain token.
one：

two：

[zhanyajun]

Strictly follow the documents

1. Create application:Create an Okta app integration | Okta Developer

2. Update your environment variables to include the following: