Simple sample to reproduce a 'LEAK: ' in a simple WebFlux application which is using Multipart.
Run test: kotlin/com/eleveo/webflux_leak_02/T10WebfluxLeakApplicationTests.kt
kotlin/com/eleveo/webflux_leak_02/MultipartController10Controller.kt
Simple serverside controller, that accepts multipart request.
kotlin/com/eleveo/webflux_leak_02/T10WebfluxLeakApplicationTests.kt
Test which simulate the leak.
kotlin/com/eleveo/webflux_leak_02/T10WebfluxLeakApplicationTests.01.txt
Sample output of the test, which contains 'LEAK: '.
Netty leak detection is set to leak-detection: paranoid in application.yml.