Stacktraces in response bodies are useful for quick debugging in development and test environments. However in production, showing stracktraces can leak sensitive information to the client.
To disable this particular functionality, the display-source-fragment directive must be set to false.
The following resource is also helpful.
This security hardening control applies to the following category of controls within NIST 800-53: System and Information Integrity.This control applies to the following type of system Unix.