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SpringApplication logger uses mainApplicationClass logger with confusing line numbers

calendar_today June 10, 2026 person Simon Hutchinson domain spring-boot

c.c.r.r.boot.ReferenceRestApplication:54 - Starting ReferenceRestApplication using Java 25.0.2 with PID 30226 c.c.r.r.boot.ReferenceRestApplication:55 - Running with Spring Boot v4.0.6, Spring v7.0.72026-06-10 08:42:37.251 INFO [main] [reference.boot:refboot-rest:] c.c.r.r.boot.ReferenceRestApplication:658 - The following 2 profiles are active: “local”, “personal” The log output shown above is from our application startup. The logs are written by e.g SpringApplication ; however, the mainApplicationClass, ReferenceRestApplication is shown as the logging class, which means that the line number f

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