Polish "Add 'threads' configuration group for embedded containers"

See gh-19475

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/ServerProperties.java

@@ -1146,7 +1146,7 @@ public class ServerProperties {
 		}
 
 		@Deprecated
-		@DeprecatedConfigurationProperty(replacement = "server.jetty.threads.maxQueueCapacity")
+		@DeprecatedConfigurationProperty(replacement = "server.jetty.threads.max-queue-capacity")
 		public Integer getMaxQueueCapacity() {
 			return this.getThreads().getMaxQueueCapacity();
 		}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/embedded/JettyWebServerFactoryCustomizer.java

@@ -76,8 +76,8 @@ public class JettyWebServerFactoryCustomizer
 	public void customize(ConfigurableJettyWebServerFactory factory) {
 		ServerProperties properties = this.serverProperties;
 		ServerProperties.Jetty jettyProperties = properties.getJetty();
-		ServerProperties.Jetty.Threads threadProperties = jettyProperties.getThreads();
 		factory.setUseForwardHeaders(getOrDeduceUseForwardHeaders());
+		ServerProperties.Jetty.Threads threadProperties = jettyProperties.getThreads();
 		factory.setThreadPool(determineThreadPool(jettyProperties.getThreads()));
 		PropertyMapper propertyMapper = PropertyMapper.get();
 		propertyMapper.from(threadProperties::getAcceptors).whenNonNull().to(factory::setAcceptors);
@@ -142,12 +142,12 @@ public class JettyWebServerFactoryCustomizer
 		});
 	}
 
-	private ThreadPool determineThreadPool(ServerProperties.Jetty.Threads threadProperties) {
-		BlockingQueue<Runnable> queue = determineBlockingQueue(threadProperties.getMaxQueueCapacity());
-		int maxThreadCount = (threadProperties.getMax() > 0) ? threadProperties.getMax() : 200;
-		int minThreadCount = (threadProperties.getMin() > 0) ? threadProperties.getMin() : 8;
-		int threadIdleTimeout = (threadProperties.getIdleTimeout() != null)
-				? (int) threadProperties.getIdleTimeout().toMillis() : 60000;
+	private ThreadPool determineThreadPool(ServerProperties.Jetty.Threads properties) {
+		BlockingQueue<Runnable> queue = determineBlockingQueue(properties.getMaxQueueCapacity());
+		int maxThreadCount = (properties.getMax() > 0) ? properties.getMax() : 200;
+		int minThreadCount = (properties.getMin() > 0) ? properties.getMin() : 8;
+		int threadIdleTimeout = (properties.getIdleTimeout() != null) ? (int) properties.getIdleTimeout().toMillis()
+				: 60000;
 		return new QueuedThreadPool(maxThreadCount, minThreadCount, threadIdleTimeout, queue);
 	}
 

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/embedded/TomcatWebServerFactoryCustomizer.java

@@ -79,12 +79,12 @@ public class TomcatWebServerFactoryCustomizer
 	public void customize(ConfigurableTomcatWebServerFactory factory) {
 		ServerProperties properties = this.serverProperties;
 		ServerProperties.Tomcat tomcatProperties = properties.getTomcat();
-		ServerProperties.Tomcat.Threads threadProperties = tomcatProperties.getThreads();
 		PropertyMapper propertyMapper = PropertyMapper.get();
 		propertyMapper.from(tomcatProperties::getBasedir).whenNonNull().to(factory::setBaseDirectory);
 		propertyMapper.from(tomcatProperties::getBackgroundProcessorDelay).whenNonNull().as(Duration::getSeconds)
 				.as(Long::intValue).to(factory::setBackgroundProcessorDelay);
 		customizeRemoteIpValve(factory);
+		ServerProperties.Tomcat.Threads threadProperties = tomcatProperties.getThreads();
 		propertyMapper.from(threadProperties::getMax).when(this::isPositive)
 				.to((maxThreads) -> customizeMaxThreads(factory, threadProperties.getMax()));
 		propertyMapper.from(threadProperties::getMinSpare).when(this::isPositive)

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/embedded/UndertowWebServerFactoryCustomizer.java

@@ -88,8 +88,8 @@ public class UndertowWebServerFactoryCustomizer
 	private void mapUndertowProperties(ConfigurableUndertowWebServerFactory factory, FactoryOptions options) {
 		PropertyMapper map = PropertyMapper.get().alwaysApplyingWhenNonNull();
 		Undertow properties = this.serverProperties.getUndertow();
-		ServerProperties.Undertow.Threads threadProperties = properties.getThreads();
 		map.from(properties::getBufferSize).whenNonNull().asInt(DataSize::toBytes).to(factory::setBufferSize);
+		ServerProperties.Undertow.Threads threadProperties = properties.getThreads();
 		map.from(threadProperties::getIo).to(factory::setIoThreads);
 		map.from(threadProperties::getWorker).to(factory::setWorkerThreads);
 		map.from(properties::getDirectBuffers).to(factory::setUseDirectBuffers);

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/ServerPropertiesTests.java

@@ -219,9 +219,6 @@ class ServerPropertiesTests {
 	@Test
 	void testCustomizeTomcatMaxThreadsDeprecated() {
 		bind("server.tomcat.maxThreads", "10");
-		assertThat(this.properties.getTomcat().getMaxThreads()).isEqualTo(10);
-		// Verify they are locked on same backing props to avoid further downstream
-		// deprecated testing
 		assertThat(this.properties.getTomcat().getThreads().getMax()).isEqualTo(10);
 	}
 
@@ -235,9 +232,6 @@ class ServerPropertiesTests {
 	@Test
 	void testCustomizeTomcatMinSpareThreadsDeprecated() {
 		bind("server.tomcat.min-spare-threads", "10");
-		assertThat(this.properties.getTomcat().getMinSpareThreads()).isEqualTo(10);
-		// Verify they are locked on same backing props to avoid further downstream
-		// deprecated testing
 		assertThat(this.properties.getTomcat().getThreads().getMinSpare()).isEqualTo(10);
 	}
 
@@ -251,9 +245,6 @@ class ServerPropertiesTests {
 	@Test
 	void testCustomizeJettyAcceptorsDeprecated() {
 		bind("server.jetty.acceptors", "10");
-		assertThat(this.properties.getJetty().getAcceptors()).isEqualTo(10);
-		// Verify they are locked on same backing props to avoid further downstream
-		// deprecated testing
 		assertThat(this.properties.getJetty().getThreads().getAcceptors()).isEqualTo(10);
 	}
 
@@ -268,8 +259,6 @@ class ServerPropertiesTests {
 	void testCustomizeJettySelectorsDeprecated() {
 		bind("server.jetty.selectors", "10");
 		assertThat(this.properties.getJetty().getSelectors()).isEqualTo(10);
-		// Verify they are locked on same backing props to avoid further downstream
-		// deprecated testing
 		assertThat(this.properties.getJetty().getThreads().getSelectors()).isEqualTo(10);
 	}
 
@@ -283,9 +272,6 @@ class ServerPropertiesTests {
 	@Test
 	void testCustomizeJettyMaxThreadsDeprecated() {
 		bind("server.jetty.maxThreads", "10");
-		assertThat(this.properties.getJetty().getMaxThreads()).isEqualTo(10);
-		// Verify they are locked on same backing props to avoid further downstream
-		// deprecated testing
 		assertThat(this.properties.getJetty().getThreads().getMax()).isEqualTo(10);
 	}
 
@@ -299,9 +285,6 @@ class ServerPropertiesTests {
 	@Test
 	void testCustomizeJettyMinThreadsDeprecated() {
 		bind("server.jetty.minThreads", "10");
-		assertThat(this.properties.getJetty().getMinThreads()).isEqualTo(10);
-		// Verify they are locked on same backing props to avoid further downstream
-		// deprecated testing
 		assertThat(this.properties.getJetty().getThreads().getMin()).isEqualTo(10);
 	}
 
@@ -315,9 +298,6 @@ class ServerPropertiesTests {
 	@Test
 	void testCustomizeJettyIdleTimeoutDeprecated() {
 		bind("server.jetty.thread-idle-timeout", "10s");
-		assertThat(this.properties.getJetty().getThreadIdleTimeout()).isEqualTo(Duration.ofSeconds(10));
-		// Verify they are locked on same backing props to avoid further downstream
-		// deprecated testing
 		assertThat(this.properties.getJetty().getThreads().getIdleTimeout()).hasSeconds(10);
 	}
 
@@ -331,9 +311,6 @@ class ServerPropertiesTests {
 	@Test
 	void testCustomizeJettyMaxQueueCapacityDeprecated() {
 		bind("server.jetty.max-queue-capacity", "5150");
-		assertThat(this.properties.getJetty().getMaxQueueCapacity()).isEqualTo(5150);
-		// Verify they are locked on same backing props to avoid further downstream
-		// deprecated testing
 		assertThat(this.properties.getJetty().getThreads().getMaxQueueCapacity()).isEqualTo(5150);
 	}
 
@@ -361,9 +338,6 @@ class ServerPropertiesTests {
 	@Test
 	void testCustomizeUndertowIoThreadsDeprecated() {
 		bind("server.undertow.ioThreads", "4");
-		assertThat(this.properties.getUndertow().getIoThreads()).isEqualTo(4);
-		// Verify they are locked on same backing props to avoid further downstream
-		// deprecated testing
 		assertThat(this.properties.getUndertow().getThreads().getIo()).isEqualTo(4);
 	}
 
@@ -377,9 +351,6 @@ class ServerPropertiesTests {
 	@Test
 	void testCustomizeUndertowWorkerThreadsDeprecated() {
 		bind("server.undertow.workerThreads", "10");
-		assertThat(this.properties.getUndertow().getWorkerThreads()).isEqualTo(10);
-		// Verify they are locked on same backing props to avoid further downstream
-		// deprecated testing
 		assertThat(this.properties.getUndertow().getThreads().getWorker()).isEqualTo(10);
 	}
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/embedded/JettyWebServerFactoryCustomizerTests.java

@@ -179,7 +179,7 @@ class JettyWebServerFactoryCustomizerTests {
 
 	@Test
 	void threadPoolIdleTimeoutCanBeCustomized() {
-		bind("server.jetty.thread-idle-timeout=100s");
+		bind("server.jetty.threads.idle-timeout=100s");
 		JettyWebServer server = customizeAndGetServer();
 		QueuedThreadPool threadPool = (QueuedThreadPool) server.getServer().getThreadPool();
 		assertThat(threadPool.getIdleTimeout()).isEqualTo(100000);
@@ -187,7 +187,7 @@ class JettyWebServerFactoryCustomizerTests {
 
 	@Test
 	void threadPoolWithMaxQueueCapacityEqualToZeroCreateSynchronousQueue() {
-		bind("server.jetty.max-queue-capacity=0");
+		bind("server.jetty.threads.max-queue-capacity=0");
 		JettyWebServer server = customizeAndGetServer();
 		ThreadPool threadPool = server.getServer().getThreadPool();
 		BlockingQueue<?> queue = getQueue(threadPool);
@@ -197,8 +197,8 @@ class JettyWebServerFactoryCustomizerTests {
 
 	@Test
 	void threadPoolWithMaxQueueCapacityEqualToZeroCustomizesThreadPool() {
-		bind("server.jetty.max-queue-capacity=0", "server.jetty.min-threads=100", "server.jetty.max-threads=100",
-				"server.jetty.thread-idle-timeout=6s");
+		bind("server.jetty.threads.max-queue-capacity=0", "server.jetty.min-threads=100",
+				"server.jetty.max-threads=100", "server.jetty.threads.idle-timeout=6s");
 		JettyWebServer server = customizeAndGetServer();
 		QueuedThreadPool threadPool = (QueuedThreadPool) server.getServer().getThreadPool();
 		assertThat(threadPool.getMinThreads()).isEqualTo(100);
@@ -208,7 +208,7 @@ class JettyWebServerFactoryCustomizerTests {
 
 	@Test
 	void threadPoolWithMaxQueueCapacityPositiveCreateBlockingArrayQueue() {
-		bind("server.jetty.max-queue-capacity=1234");
+		bind("server.jetty.threads.max-queue-capacity=1234");
 		JettyWebServer server = customizeAndGetServer();
 		ThreadPool threadPool = server.getServer().getThreadPool();
 		BlockingQueue<?> queue = getQueue(threadPool);
@@ -219,8 +219,8 @@ class JettyWebServerFactoryCustomizerTests {
 
 	@Test
 	void threadPoolWithMaxQueueCapacityPositiveCustomizesThreadPool() {
-		bind("server.jetty.max-queue-capacity=1234", "server.jetty.min-threads=10", "server.jetty.max-threads=150",
-				"server.jetty.thread-idle-timeout=3s");
+		bind("server.jetty.threads.max-queue-capacity=1234", "server.jetty.min-threads=10",
+				"server.jetty.max-threads=150", "server.jetty.threads.idle-timeout=3s");
 		JettyWebServer server = customizeAndGetServer();
 		QueuedThreadPool threadPool = (QueuedThreadPool) server.getServer().getThreadPool();
 		assertThat(threadPool.getMinThreads()).isEqualTo(10);

spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-jetty/src/main/resources/application.properties

 server.compression.enabled: true
 server.compression.min-response-size: 1
-server.jetty.acceptors=2
+server.jetty.threads.acceptors=2