Online Store client does not map application errors #4481

Expected Behavior

In a feast application that has a remote Online Store configured, when a feast client invokes an API on the Online Store that throws an error, the expectation is that the client will raises the same error that the online store threw

Current Behavior

When an error occurs a response with status code = 500 and error_message=Internal Server Error is returned from the server

Steps to reproduce

See Expected Behavior section.

Specifications

• Version: 0.40.0
• Platform: any
• Subsystem: online store server

Possible Solution

The online store server can wrap the original exception in an error status message that the remote online store client can catch and translate into the original exception: