Polish "Upgrade to Micrometer 1.7.0-M1"

See gh-25707

spring-boot-project/spring-boot-actuator-autoconfigure/build.gradle

@@ -55,7 +55,6 @@ dependencies {
 	optional("io.micrometer:micrometer-registry-signalfx")
 	optional("io.micrometer:micrometer-registry-statsd")
 	optional("io.micrometer:micrometer-registry-wavefront")
-	optional("org.hibernate:hibernate-micrometer")
 	optional("io.projectreactor.netty:reactor-netty-http")
 	optional("io.r2dbc:r2dbc-pool")
 	optional("io.r2dbc:r2dbc-spi")
@@ -79,6 +78,7 @@ dependencies {
 	optional("org.glassfish.jersey.core:jersey-server")
 	optional("org.glassfish.jersey.containers:jersey-container-servlet-core")
 	optional("org.hibernate:hibernate-core")
+	optional("org.hibernate:hibernate-micrometer")
 	optional("org.hibernate.validator:hibernate-validator")
 	optional("org.influxdb:influxdb-java")
 	optional("org.jolokia:jolokia-core")

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/orm/jpa/HibernateMetricsAutoConfiguration.java

 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -48,7 +48,7 @@ import org.springframework.util.StringUtils;
 @Configuration(proxyBeanMethods = false)
 @AutoConfigureAfter({ MetricsAutoConfiguration.class, HibernateJpaAutoConfiguration.class,
 		SimpleMetricsExportAutoConfiguration.class })
-@ConditionalOnClass({ EntityManagerFactory.class, SessionFactory.class, MeterRegistry.class })
+@ConditionalOnClass({ EntityManagerFactory.class, SessionFactory.class, HibernateMetrics.class, MeterRegistry.class })
 @ConditionalOnBean({ EntityManagerFactory.class, MeterRegistry.class })
 public class HibernateMetricsAutoConfiguration implements SmartInitializingSingleton {
 

spring-boot-project/spring-boot-docs/src/docs/asciidoc/production-ready-features.adoc

@@ -2355,7 +2355,7 @@ Each metric is tagged by the name of the Pool (can be controlled with `spring.da
 
 [[production-ready-metrics-hibernate]]
 ==== Hibernate Metrics
-Auto-configuration enables the instrumentation of all available Hibernate `EntityManagerFactory` instances that have statistics enabled with a metric named `hibernate`.
+If `org.hibernate:hibernate-micrometer` is on the classpath, all available Hibernate `EntityManagerFactory` instances that have statistics enabled with a metric named `hibernate` are instrumented.
 
 Metrics are also tagged by the name of the `EntityManagerFactory` that is derived from the bean name.
 

spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-data-jpa/build.gradle

@@ -11,7 +11,6 @@ dependencies {
 	implementation(project(":spring-boot-project:spring-boot-starters:spring-boot-starter-actuator"))
 
 	runtimeOnly("com.h2database:h2")
-	runtimeOnly("org.hibernate:hibernate-micrometer")
 
 	testImplementation(project(":spring-boot-project:spring-boot-starters:spring-boot-starter-test"))
 }

spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-flyway/build.gradle

@@ -12,7 +12,6 @@ dependencies {
 
 	runtimeOnly("com.h2database:h2")
 	runtimeOnly("org.flywaydb:flyway-core")
-	runtimeOnly("org.hibernate:hibernate-micrometer")
 
 	testImplementation(project(":spring-boot-project:spring-boot-starters:spring-boot-starter-test"))
 }