Rebuild and restart. Javalin itself starts in milliseconds (the test suite starts and stops servers across 600+ tests in less than 10 seconds). If you run in de

Rebuild and restart. Javalin itself starts in milliseconds (the test suite starts and stops servers across 600+ tests in less than 10 seconds). If you run in debug mode in IDEA, or use some hot-swapping tool like dcevm or jrebel, you won't always need to restart. I don't think there will ever be a dedicated tool provided by Javalin for this.