Why Does Three.js Throw a 'Cross Origin Requests Only Supported for HTTP' Error When Loading Local 3D Models?

File Loading Error in Three.js: "Cross Origin Requests Only Supported for HTTP"

When attempting to incorporate a local 3D model into your Three.js application using JSONLoader, you may encounter the "Cross origin requests are only supported for HTTP" error. This error arises due to the discrepancy between the model's location and the HTTP protocol employed by the web browser.

Origin of the Error

Your model is likely being loaded using a non-HTTP protocol, such as file:// or C:/, which violates the browser's origin policy. The security policy mandates that requests from one origin (e.g., your website's domain) cannot access resources from a different origin (e.g., your local computer's file system).

Possible Solutions

To resolve this issue, consider the following options:

• Install a local web server: Set up a web server on your computer and host the model using an HTTP-based URL.
• Upload the model elsewhere: Upload the model to an accessible website or cloud storage service and load it using its HTTP URL.
• Adjust the loading URL: Ensure that you are loading the model using an HTTP URL (e.g., http://example.com/path/to/model).

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