Fix Spring Boot 4 Micrometer auto-configuration and add actuator metrics smoke coverage#4672

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xiang17 wants to merge 19 commits intomicrosoft:mainfrom

xiang17:xiang17/SpringBoot4-ActuatorMetrics

Commits on Apr 4, 2026

Created a new smoke test to validate Micrometer/ActuatorMetrics instrumentation for Spring Boot 4
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fixed the startup blocker: 1. adding module-local version forcing for Boot 4 logging so the test can reach the intended Micrometer failure path. 2. making one small adjustment so the app boots with…
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Fix the incompatible bug due to Spring Boot 4 metrics auto-config rename to org.springframework.boot.micrometer.metrics.autoconfigure.* (different module/package)
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Add additional JDK versions for the smoke tests
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Remove unused empty file
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./gradlew spotlessApply
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Commits on Apr 8, 2026

Added Java 17 in smoke tests. Minimum supported Java version by Spring Boot 4.0 is Java 17. https://github.com/spring-projects/spring-boot/wiki/Spring-Boot-4.0-Migration-Guide
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Commits on Apr 9, 2026

revert fix
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Commits on Apr 20, 2026

Commits on Apr 21, 2026

add missed file for auto-config classes
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