jvanheesch

I worked out an example without docker and web: https://github.com/jvanheesch/spring-boot-isolation/tree/SpringBootTest

Using `Thread.run()` instead of `Thread.start()` was a sloppy and obvious mistake on my part. I've updated the reproducer and hope it can be reconsidered again.

@tomMoulard Thank you for the quick response! I am trying the second, i.e. replacing multiple (all) instances of a string in a single header value. I've created a reproducer, which...