My program-system throws an Exception. I can see it, when debugging it under Exclipse. But the thrown Exception is not displayed in the log. And when just runnig it, I see the program starting and stopping, without any reason. Same when running the built jar-file just from console, without Eclipse.

I'm running Java runtime V23, compiled as source level Java 21 with JDK 23 and Spring Boot 3.4.0. Logging with Logback. "application.properties" sets "logging.level.root=TRACE"

When opening the project with Intellij, it says that my "main"-calls is not runnable. Though it runs, when called from console, as said, just