I’m working on a Spring Boot application where I’m trying to implement a file download feature using reactive programming. I have a little experience in this area, so please bear with me. I am able to download the file, but its content is encoded in base64 like this:

Suppose I have 2 fluxes:

I’m currently working on a project where I need to handle blocking I/O operations efficiently without tying up essential system resources. I’m using Project Reactor and specifically the Schedulers.boundedElastic() scheduler. I understand that starting from version 3.6.0, boundedElastic() offers two different implementations based on the setup:

I have a Flux operation that goes like this:

I’m currently troubleshooting an intermittent issue that appears in our logs. Users connect to our application to receive real-time preview updates from backend services. However, when this issue occurs, the flux is unexpectedly cancelled, necessitating a restart of the application.