When the underlying functions required for the rest/api/2/search to complete timeout, the response code is a 500 - Internal Server Error

Summary

In certain conditions, the underlying functions required for the `rest/api/2/search` to complete will time out.
When that happens the response code is a 500 with Internal Server Error as message.

Steps to Reproduce

This can usually be reproduced in significantly big sites.

Expected Results

The request returns a status code corresponding to a timeout (for example a 408).

Actual Results

The request returns a 500 status code with Internal Server Error as message.

Notes

Known conditions leading to this:

• https://jira.atlassian.com/browse/JRACLOUD-76460

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available