Polish

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/thread/Threading.java

@@ -31,22 +31,25 @@ public enum Threading {
 	 * Platform threads. Active if virtual threads are not active.
 	 */
 	PLATFORM {
+
 		@Override
 		public boolean isActive(Environment environment) {
 			return !VIRTUAL.isActive(environment);
 		}
+
 	},
 	/**
 	 * Virtual threads. Active if {@code spring.threads.virtual.enabled} is {@code true}
 	 * and running on Java 21 or later.
 	 */
 	VIRTUAL {
+
 		@Override
 		public boolean isActive(Environment environment) {
-			boolean virtualThreadsEnabled = environment.getProperty("spring.threads.virtual.enabled", boolean.class,
-					false);
-			return virtualThreadsEnabled && JavaVersion.getJavaVersion().isEqualOrNewerThan(JavaVersion.TWENTY_ONE);
+			return environment.getProperty("spring.threads.virtual.enabled", boolean.class, false)
+					&& JavaVersion.getJavaVersion().isEqualOrNewerThan(JavaVersion.TWENTY_ONE);
 		}
+
 	};
 
 	/**

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jms/activemq/ActiveMQAutoConfigurationTests.java

@@ -289,6 +289,7 @@ class ActiveMQAutoConfigurationTests {
 		@Bean
 		ActiveMQConnectionDetails activemqConnectionDetails() {
 			return new ActiveMQConnectionDetails() {
+
 				@Override
 				public String getBrokerUrl() {
 					return "tcp://localhost:12345";
@@ -303,6 +304,7 @@ class ActiveMQAutoConfigurationTests {
 				public String getPassword() {
 					return "spring";
 				}
+
 			};
 		}
 

spring-boot-project/spring-boot-docs/src/docs/asciidoc/actuator/observability.adoc

@@ -67,6 +67,8 @@ include::code:MyObservationPredicate[]
 
 The preceding example will prevent all observations whose name contains "denied".
 
+
+
 [[actuator.observability.opentelemetry]]
 === OpenTelemetry Support
 Spring Boot's actuator module includes basic support for https://opentelemetry.io/[OpenTelemetry].

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/AbstractRunMojo.java

@@ -39,6 +39,7 @@ import org.apache.maven.project.MavenProject;
 import org.apache.maven.toolchain.ToolchainManager;
 
 import org.springframework.boot.loader.tools.FileUtils;
+import org.springframework.util.Assert;
 import org.springframework.util.ObjectUtils;
 
 /**
@@ -373,10 +374,8 @@ public abstract class AbstractRunMojo extends AbstractDependencyFilterMojo {
 
 	@SuppressWarnings("removal")
 	private void addAdditionalClasspathLocations(List<URL> urls) throws MalformedURLException {
-		if (!ObjectUtils.isEmpty(this.directories) && !ObjectUtils.isEmpty(this.additionalClasspathElements)) {
-			throw new IllegalStateException(
-					"Either additionalClasspathElements or directories (deprecated) should be set, not both");
-		}
+		Assert.state(ObjectUtils.isEmpty(this.directories) || ObjectUtils.isEmpty(this.additionalClasspathElements),
+				"Either additionalClasspathElements or directories (deprecated) should be set, not both");
 		String[] elements = !ObjectUtils.isEmpty(this.additionalClasspathElements) ? this.additionalClasspathElements
 				: this.directories;
 		if (elements != null) {