Merge branch 'gh-21271'

Closes gh-21271

buildSrc/src/main/java/org/springframework/boot/build/JavaConventions.java

@@ -25,6 +25,7 @@ import java.util.function.Consumer;
 
 import io.spring.javaformat.gradle.FormatTask;
 import io.spring.javaformat.gradle.SpringJavaFormatPlugin;
+import org.gradle.api.JavaVersion;
 import org.gradle.api.Project;
 import org.gradle.api.artifacts.Configuration;
 import org.gradle.api.artifacts.ConfigurationContainer;
@@ -56,7 +57,13 @@ import org.springframework.boot.build.testing.TestFailuresPlugin;
  * <li>{@link Test} tasks are configured to use JUnit Platform and use a max heap of 1024M
  * <li>{@link JavaCompile}, {@link Javadoc}, and {@link FormatTask} tasks are configured
  * to use UTF-8 encoding
- * <li>{@link JavaCompile} tasks are configured to use {@code -parameters}
+ * <li>{@link JavaCompile} tasks are configured to use {@code -parameters} and, when
+ * compiling with Java 8, to:
+ * <ul>
+ * <li>Treat warnings as errors
+ * <li>Enable {@code unchecked}, {@code deprecation}, {@code rawtypes}, and {@code varags}
+ * warnings
+ * </ul>
  * <li>{@link Jar} tasks are configured to produce jars with LICENSE.txt and NOTICE.txt
  * files and the following manifest entries:
  * <ul>
@@ -149,6 +156,10 @@ class JavaConventions {
 			if (!args.contains("-parameters")) {
 				args.add("-parameters");
 			}
+			if (JavaVersion.current() == JavaVersion.VERSION_1_8) {
+				args.addAll(Arrays.asList("-Werror", "-Xlint:unchecked", "-Xlint:deprecation", "-Xlint:rawtypes",
+						"-Xlint:varargs"));
+			}
 		});
 	}
 

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/health/CompositeHealthIndicatorConfiguration.java

@@ -19,16 +19,12 @@ package org.springframework.boot.actuate.autoconfigure.health;
 import java.util.Map;
 
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.actuate.health.CompositeHealthIndicator;
-import org.springframework.boot.actuate.health.DefaultHealthIndicatorRegistry;
-import org.springframework.boot.actuate.health.HealthAggregator;
 import org.springframework.boot.actuate.health.HealthIndicator;
-import org.springframework.boot.actuate.health.HealthIndicatorRegistry;
 import org.springframework.core.ResolvableType;
 
 /**
  * Base class for configurations that can combine source beans using a
- * {@link CompositeHealthIndicator}.
+ * {@link org.springframework.boot.actuate.health.CompositeHealthIndicator}.
  *
  * @param <H> the health indicator type
  * @param <S> the bean source type
@@ -40,15 +36,15 @@ import org.springframework.core.ResolvableType;
 public abstract class CompositeHealthIndicatorConfiguration<H extends HealthIndicator, S> {
 
 	@Autowired
-	private HealthAggregator healthAggregator;
+	private org.springframework.boot.actuate.health.HealthAggregator healthAggregator;
 
 	protected HealthIndicator createHealthIndicator(Map<String, S> beans) {
 		if (beans.size() == 1) {
 			return createHealthIndicator(beans.values().iterator().next());
 		}
-		HealthIndicatorRegistry registry = new DefaultHealthIndicatorRegistry();
+		org.springframework.boot.actuate.health.HealthIndicatorRegistry registry = new org.springframework.boot.actuate.health.DefaultHealthIndicatorRegistry();
 		beans.forEach((name, source) -> registry.register(name, createHealthIndicator(source)));
-		return new CompositeHealthIndicator(this.healthAggregator, registry);
+		return new org.springframework.boot.actuate.health.CompositeHealthIndicator(this.healthAggregator, registry);
 	}
 
 	@SuppressWarnings("unchecked")

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/health/CompositeReactiveHealthIndicatorConfiguration.java

@@ -19,11 +19,7 @@ package org.springframework.boot.actuate.autoconfigure.health;
 import java.util.Map;
 
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.actuate.health.CompositeReactiveHealthIndicator;
-import org.springframework.boot.actuate.health.DefaultReactiveHealthIndicatorRegistry;
-import org.springframework.boot.actuate.health.HealthAggregator;
 import org.springframework.boot.actuate.health.ReactiveHealthIndicator;
-import org.springframework.boot.actuate.health.ReactiveHealthIndicatorRegistry;
 import org.springframework.core.ResolvableType;
 
 /**
@@ -40,15 +36,16 @@ import org.springframework.core.ResolvableType;
 public abstract class CompositeReactiveHealthIndicatorConfiguration<H extends ReactiveHealthIndicator, S> {
 
 	@Autowired
-	private HealthAggregator healthAggregator;
+	private org.springframework.boot.actuate.health.HealthAggregator healthAggregator;
 
 	protected ReactiveHealthIndicator createHealthIndicator(Map<String, S> beans) {
 		if (beans.size() == 1) {
 			return createHealthIndicator(beans.values().iterator().next());
 		}
-		ReactiveHealthIndicatorRegistry registry = new DefaultReactiveHealthIndicatorRegistry();
+		org.springframework.boot.actuate.health.ReactiveHealthIndicatorRegistry registry = new org.springframework.boot.actuate.health.DefaultReactiveHealthIndicatorRegistry();
 		beans.forEach((name, source) -> registry.register(name, createHealthIndicator(source)));
-		return new CompositeReactiveHealthIndicator(this.healthAggregator, registry);
+		return new org.springframework.boot.actuate.health.CompositeReactiveHealthIndicator(this.healthAggregator,
+				registry);
 	}
 
 	@SuppressWarnings("unchecked")

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/health/HealthAggregatorStatusAggregatorAdapter.java

@@ -21,12 +21,12 @@ import java.util.Map;
 import java.util.Set;
 
 import org.springframework.boot.actuate.health.Health;
-import org.springframework.boot.actuate.health.HealthAggregator;
 import org.springframework.boot.actuate.health.Status;
 import org.springframework.boot.actuate.health.StatusAggregator;
 
 /**
- * Adapter class to convert a legacy {@link HealthAggregator} to a
+ * Adapter class to convert a legacy
+ * {@link org.springframework.boot.actuate.health.HealthAggregator} to a
  * {@link StatusAggregator}.
  *
  * @author Phillip Webb
@@ -34,9 +34,9 @@ import org.springframework.boot.actuate.health.StatusAggregator;
 @SuppressWarnings("deprecation")
 class HealthAggregatorStatusAggregatorAdapter implements StatusAggregator {
 
-	private HealthAggregator healthAggregator;
+	private org.springframework.boot.actuate.health.HealthAggregator healthAggregator;
 
-	HealthAggregatorStatusAggregatorAdapter(HealthAggregator healthAggregator) {
+	HealthAggregatorStatusAggregatorAdapter(org.springframework.boot.actuate.health.HealthAggregator healthAggregator) {
 		this.healthAggregator = healthAggregator;
 	}
 

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/health/HealthContributorRegistryHealthIndicatorRegistryAdapter.java

@@ -22,18 +22,18 @@ import java.util.Map;
 import org.springframework.boot.actuate.health.HealthContributor;
 import org.springframework.boot.actuate.health.HealthContributorRegistry;
 import org.springframework.boot.actuate.health.HealthIndicator;
-import org.springframework.boot.actuate.health.HealthIndicatorRegistry;
 import org.springframework.boot.actuate.health.NamedContributor;
 import org.springframework.util.Assert;
 
 /**
  * Adapter class to convert a {@link HealthContributorRegistry} to a legacy
- * {@link HealthIndicatorRegistry}.
+ * {@link org.springframework.boot.actuate.health.HealthIndicatorRegistry}.
  *
  * @author Phillip Webb
  */
 @SuppressWarnings("deprecation")
-class HealthContributorRegistryHealthIndicatorRegistryAdapter implements HealthIndicatorRegistry {
+class HealthContributorRegistryHealthIndicatorRegistryAdapter
+		implements org.springframework.boot.actuate.health.HealthIndicatorRegistry {
 
 	private final HealthContributorRegistry contributorRegistry;
 

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/health/LegacyHealthEndpointCompatibilityConfiguration.java

@@ -18,12 +18,8 @@ package org.springframework.boot.actuate.autoconfigure.health;
 
 import reactor.core.publisher.Mono;
 
-import org.springframework.boot.actuate.health.HealthAggregator;
 import org.springframework.boot.actuate.health.HealthContributorRegistry;
-import org.springframework.boot.actuate.health.HealthIndicatorRegistry;
-import org.springframework.boot.actuate.health.OrderedHealthAggregator;
 import org.springframework.boot.actuate.health.ReactiveHealthContributorRegistry;
-import org.springframework.boot.actuate.health.ReactiveHealthIndicatorRegistry;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
@@ -40,13 +36,14 @@ import org.springframework.util.CollectionUtils;
  */
 @Configuration(proxyBeanMethods = false)
 @SuppressWarnings("deprecation")
-@EnableConfigurationProperties(HealthIndicatorProperties.class)
+@EnableConfigurationProperties(org.springframework.boot.actuate.autoconfigure.health.HealthIndicatorProperties.class)
 class LegacyHealthEndpointCompatibilityConfiguration {
 
 	@Bean
 	@ConditionalOnMissingBean
-	HealthAggregator healthAggregator(HealthIndicatorProperties healthIndicatorProperties) {
-		OrderedHealthAggregator aggregator = new OrderedHealthAggregator();
+	org.springframework.boot.actuate.health.HealthAggregator healthAggregator(
+			HealthIndicatorProperties healthIndicatorProperties) {
+		org.springframework.boot.actuate.health.OrderedHealthAggregator aggregator = new org.springframework.boot.actuate.health.OrderedHealthAggregator();
 		if (!CollectionUtils.isEmpty(healthIndicatorProperties.getOrder())) {
 			aggregator.setStatusOrder(healthIndicatorProperties.getOrder());
 		}
@@ -54,7 +51,7 @@ class LegacyHealthEndpointCompatibilityConfiguration {
 	}
 
 	@Bean
-	@ConditionalOnMissingBean(HealthIndicatorRegistry.class)
+	@ConditionalOnMissingBean(org.springframework.boot.actuate.health.HealthIndicatorRegistry.class)
 	HealthContributorRegistryHealthIndicatorRegistryAdapter healthIndicatorRegistry(
 			HealthContributorRegistry healthContributorRegistry) {
 		return new HealthContributorRegistryHealthIndicatorRegistryAdapter(healthContributorRegistry);
@@ -65,7 +62,7 @@ class LegacyHealthEndpointCompatibilityConfiguration {
 	static class LegacyReactiveHealthEndpointCompatibilityConfiguration {
 
 		@Bean
-		@ConditionalOnMissingBean(ReactiveHealthIndicatorRegistry.class)
+		@ConditionalOnMissingBean(org.springframework.boot.actuate.health.ReactiveHealthIndicatorRegistry.class)
 		ReactiveHealthContributorRegistryReactiveHealthIndicatorRegistryAdapter reactiveHealthIndicatorRegistry(
 				ReactiveHealthContributorRegistry reactiveHealthContributorRegistry) {
 			return new ReactiveHealthContributorRegistryReactiveHealthIndicatorRegistryAdapter(

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/health/ReactiveHealthContributorRegistryReactiveHealthIndicatorRegistryAdapter.java

@@ -23,18 +23,17 @@ import org.springframework.boot.actuate.health.NamedContributor;
 import org.springframework.boot.actuate.health.ReactiveHealthContributor;
 import org.springframework.boot.actuate.health.ReactiveHealthContributorRegistry;
 import org.springframework.boot.actuate.health.ReactiveHealthIndicator;
-import org.springframework.boot.actuate.health.ReactiveHealthIndicatorRegistry;
 import org.springframework.util.Assert;
 
 /**
  * Adapter class to convert a {@link ReactiveHealthContributorRegistry} to a legacy
- * {@link ReactiveHealthIndicatorRegistry}.
+ * {@link org.springframework.boot.actuate.health.ReactiveHealthIndicatorRegistry}.
  *
  * @author Phillip Webb
  */
 @SuppressWarnings("deprecation")
 class ReactiveHealthContributorRegistryReactiveHealthIndicatorRegistryAdapter
-		implements ReactiveHealthIndicatorRegistry {
+		implements org.springframework.boot.actuate.health.ReactiveHealthIndicatorRegistry {
 
 	private final ReactiveHealthContributorRegistry contributorRegistry;
 

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/ganglia/GangliaPropertiesConfigAdapter.java

@@ -57,6 +57,7 @@ class GangliaPropertiesConfigAdapter extends PropertiesConfigAdapter<GangliaProp
 	}
 
 	@Override
+	@Deprecated
 	public TimeUnit rateUnits() {
 		return get(GangliaProperties::getRateUnits, GangliaConfig.super::rateUnits);
 	}
@@ -67,6 +68,7 @@ class GangliaPropertiesConfigAdapter extends PropertiesConfigAdapter<GangliaProp
 	}
 
 	@Override
+	@Deprecated
 	public String protocolVersion() {
 		return get(GangliaProperties::getProtocolVersion, GangliaConfig.super::protocolVersion);
 	}

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/server/ManagementWebServerFactoryCustomizer.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -49,6 +49,7 @@ public abstract class ManagementWebServerFactoryCustomizer<T extends Configurabl
 	private final Class<? extends WebServerFactoryCustomizer<?>>[] customizerClasses;
 
 	@SafeVarargs
+	@SuppressWarnings("varargs")
 	protected ManagementWebServerFactoryCustomizer(ListableBeanFactory beanFactory,
 			Class<? extends WebServerFactoryCustomizer<?>>... customizerClasses) {
 		this.beanFactory = beanFactory;

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/reactive/ReactiveCloudFoundryActuatorAutoConfigurationTests.java

@@ -38,7 +38,6 @@ import org.springframework.boot.actuate.autoconfigure.info.InfoContributorAutoCo
 import org.springframework.boot.actuate.autoconfigure.info.InfoEndpointAutoConfiguration;
 import org.springframework.boot.actuate.autoconfigure.web.server.ManagementContextAutoConfiguration;
 import org.springframework.boot.actuate.endpoint.EndpointId;
-import org.springframework.boot.actuate.endpoint.ExposableEndpoint;
 import org.springframework.boot.actuate.endpoint.annotation.Endpoint;
 import org.springframework.boot.actuate.endpoint.annotation.ReadOperation;
 import org.springframework.boot.actuate.endpoint.http.ActuatorMediaType;
@@ -208,7 +207,7 @@ class ReactiveCloudFoundryActuatorAutoConfigurationTests {
 				.run((context) -> {
 					CloudFoundryWebFluxEndpointHandlerMapping handlerMapping = getHandlerMapping(context);
 					Collection<ExposableWebEndpoint> endpoints = handlerMapping.getEndpoints();
-					List<EndpointId> endpointIds = endpoints.stream().map(ExposableEndpoint::getEndpointId)
+					List<EndpointId> endpointIds = endpoints.stream().map(ExposableWebEndpoint::getEndpointId)
 							.collect(Collectors.toList());
 					assertThat(endpointIds).contains(EndpointId.of("test"));
 				});

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/health/HealthAggregatorStatusAggregatorAdapterTests.java

@@ -20,7 +20,6 @@ import java.util.List;
 
 import org.junit.jupiter.api.Test;
 
-import org.springframework.boot.actuate.health.AbstractHealthAggregator;
 import org.springframework.boot.actuate.health.Status;
 import org.springframework.boot.actuate.health.StatusAggregator;
 
@@ -41,7 +40,7 @@ class HealthAggregatorStatusAggregatorAdapterTests {
 		assertThat(status.getCode()).isEqualTo("called2");
 	}
 
-	private static class TestHealthAggregator extends AbstractHealthAggregator {
+	private static class TestHealthAggregator extends org.springframework.boot.actuate.health.AbstractHealthAggregator {
 
 		@Override
 		protected Status aggregateStatus(List<Status> candidates) {

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/health/HealthEndpointAutoConfigurationTests.java

@@ -28,11 +28,9 @@ import reactor.core.publisher.Mono;
 import org.springframework.boot.actuate.endpoint.SecurityContext;
 import org.springframework.boot.actuate.endpoint.http.ApiVersion;
 import org.springframework.boot.actuate.endpoint.web.WebEndpointResponse;
-import org.springframework.boot.actuate.health.AbstractHealthAggregator;
 import org.springframework.boot.actuate.health.DefaultHealthContributorRegistry;
 import org.springframework.boot.actuate.health.DefaultReactiveHealthContributorRegistry;
 import org.springframework.boot.actuate.health.Health;
-import org.springframework.boot.actuate.health.HealthAggregator;
 import org.springframework.boot.actuate.health.HealthComponent;
 import org.springframework.boot.actuate.health.HealthContributorRegistry;
 import org.springframework.boot.actuate.health.HealthEndpoint;
@@ -45,7 +43,6 @@ import org.springframework.boot.actuate.health.NamedContributor;
 import org.springframework.boot.actuate.health.ReactiveHealthContributorRegistry;
 import org.springframework.boot.actuate.health.ReactiveHealthEndpointWebExtension;
 import org.springframework.boot.actuate.health.ReactiveHealthIndicator;
-import org.springframework.boot.actuate.health.ReactiveHealthIndicatorRegistry;
 import org.springframework.boot.actuate.health.Status;
 import org.springframework.boot.actuate.health.StatusAggregator;
 import org.springframework.boot.autoconfigure.AutoConfigurations;
@@ -283,7 +280,8 @@ class HealthEndpointAutoConfigurationTests {
 	@Test // gh-18354
 	void runCreatesLegacyHealthAggregator() {
 		this.contextRunner.run((context) -> {
-			HealthAggregator aggregator = context.getBean(HealthAggregator.class);
+			org.springframework.boot.actuate.health.HealthAggregator aggregator = context
+					.getBean(org.springframework.boot.actuate.health.HealthAggregator.class);
 			Map<String, Health> healths = new LinkedHashMap<>();
 			healths.put("one", Health.up().build());
 			healths.put("two", Health.down().build());
@@ -294,13 +292,15 @@ class HealthEndpointAutoConfigurationTests {
 
 	@Test
 	void runWhenReactorAvailableCreatesReactiveHealthIndicatorRegistryBean() {
-		this.contextRunner.run((context) -> assertThat(context).hasSingleBean(ReactiveHealthIndicatorRegistry.class));
+		this.contextRunner.run((context) -> assertThat(context)
+				.hasSingleBean(org.springframework.boot.actuate.health.ReactiveHealthIndicatorRegistry.class));
 	}
 
 	@Test // gh-18570
 	void runWhenReactorUnavailableDoesNotCreateReactiveHealthIndicatorRegistryBean() {
 		this.contextRunner.withClassLoader(new FilteredClassLoader(Mono.class.getPackage().getName()))
-				.run((context) -> assertThat(context).doesNotHaveBean(ReactiveHealthIndicatorRegistry.class));
+				.run((context) -> assertThat(context).doesNotHaveBean(
+						org.springframework.boot.actuate.health.ReactiveHealthIndicatorRegistry.class));
 	}
 
 	@Test
@@ -337,8 +337,8 @@ class HealthEndpointAutoConfigurationTests {
 	static class HealthAggregatorConfiguration {
 
 		@Bean
-		HealthAggregator healthAggregator() {
-			return new AbstractHealthAggregator() {
+		org.springframework.boot.actuate.health.HealthAggregator healthAggregator() {
+			return new org.springframework.boot.actuate.health.AbstractHealthAggregator() {
 
 				@Override
 				protected Status aggregateStatus(List<Status> candidates) {

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/health/HealthIndicatorRegistryInjectionIntegrationTests.java

@@ -23,9 +23,6 @@ import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.actuate.autoconfigure.metrics.CompositeMeterRegistryAutoConfiguration;
 import org.springframework.boot.actuate.autoconfigure.metrics.MetricsAutoConfiguration;
-import org.springframework.boot.actuate.health.CompositeHealthIndicator;
-import org.springframework.boot.actuate.health.HealthAggregator;
-import org.springframework.boot.actuate.health.HealthIndicatorRegistry;
 import org.springframework.boot.actuate.health.Status;
 import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
 import org.springframework.boot.test.context.SpringBootTest;
@@ -35,7 +32,8 @@ import org.springframework.context.annotation.Configuration;
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
- * Integration test to ensure that the legacy {@link HealthIndicatorRegistry} can still be
+ * Integration test to ensure that the legacy
+ * {@link org.springframework.boot.actuate.health.HealthIndicatorRegistry} can still be
  * injected.
  *
  * @author Phillip Webb
@@ -57,16 +55,17 @@ public class HealthIndicatorRegistryInjectionIntegrationTests {
 			CompositeMeterRegistryAutoConfiguration.class, MetricsAutoConfiguration.class })
 	static class Config {
 
-		Config(HealthAggregator healthAggregator, HealthIndicatorRegistry healthIndicatorRegistry,
+		Config(org.springframework.boot.actuate.health.HealthAggregator healthAggregator,
+				org.springframework.boot.actuate.health.HealthIndicatorRegistry healthIndicatorRegistry,
 				MeterRegistry registry) {
-			CompositeHealthIndicator healthIndicator = new CompositeHealthIndicator(healthAggregator,
-					healthIndicatorRegistry);
+			org.springframework.boot.actuate.health.CompositeHealthIndicator healthIndicator = new org.springframework.boot.actuate.health.CompositeHealthIndicator(
+					healthAggregator, healthIndicatorRegistry);
 			Gauge.builder("health", healthIndicator, this::getGaugeValue)
 					.description("Spring boot health indicator.  3=UP, 2=OUT_OF_SERVICE, 1=DOWN, 0=UNKNOWN")
 					.strongReference(true).register(registry);
 		}
 
-		private double getGaugeValue(CompositeHealthIndicator health) {
+		private double getGaugeValue(org.springframework.boot.actuate.health.CompositeHealthIndicator health) {
 			Status status = health.health().getStatus();
 			switch (status.getCode()) {
 			case "UP":

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/integrationtest/JerseyEndpointIntegrationTests.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -47,12 +47,12 @@ class JerseyEndpointIntegrationTests {
 
 	@Test
 	void linksAreProvidedToAllEndpointTypes() {
-		testJerseyEndpoints(new Class[] { EndpointsConfiguration.class, ResourceConfigConfiguration.class });
+		testJerseyEndpoints(new Class<?>[] { EndpointsConfiguration.class, ResourceConfigConfiguration.class });
 	}
 
 	@Test
 	void actuatorEndpointsWhenUserProvidedResourceConfigBeanNotAvailable() {
-		testJerseyEndpoints(new Class[] { EndpointsConfiguration.class });
+		testJerseyEndpoints(new Class<?>[] { EndpointsConfiguration.class });
 	}
 
 	protected void testJerseyEndpoints(Class<?>[] userConfigurations) {

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/web/servlet/ManagementErrorEndpointTests.java

@@ -23,6 +23,7 @@ import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.boot.autoconfigure.web.ErrorProperties;
+import org.springframework.boot.web.error.ErrorAttributeOptions;
 import org.springframework.boot.web.servlet.error.DefaultErrorAttributes;
 import org.springframework.boot.web.servlet.error.ErrorAttributes;
 import org.springframework.mock.web.MockHttpServletRequest;
@@ -111,7 +112,7 @@ class ManagementErrorEndpointTests {
 		ErrorAttributes attributes = new ErrorAttributes() {
 
 			@Override
-			public Map<String, Object> getErrorAttributes(WebRequest webRequest, boolean includeStackTrace) {
+			public Map<String, Object> getErrorAttributes(WebRequest webRequest, ErrorAttributeOptions options) {
 				return Collections.singletonMap("message", "An error occurred");
 			}
 
@@ -154,7 +155,7 @@ class ManagementErrorEndpointTests {
 		ErrorAttributes attributes = new DefaultErrorAttributes() {
 
 			@Override
-			public Map<String, Object> getErrorAttributes(WebRequest webRequest, boolean includeStackTrace) {
+			public Map<String, Object> getErrorAttributes(WebRequest webRequest, ErrorAttributeOptions options) {
 				return Collections.singletonMap("error", "custom error");
 			}
 

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/servlet/AbstractWebMvcEndpointHandlerMapping.java

@@ -158,6 +158,7 @@ public abstract class AbstractWebMvcEndpointHandlerMapping extends RequestMappin
 		return new RequestMatchResult(patterns.iterator().next(), lookupPath, getPathMatcher());
 	}
 
+	@SuppressWarnings("deprecation")
 	private static RequestMappingInfo.BuilderConfiguration getBuilderConfig() {
 		RequestMappingInfo.BuilderConfiguration config = new RequestMappingInfo.BuilderConfiguration();
 		config.setUrlPathHelper(null);
@@ -215,6 +216,7 @@ public abstract class AbstractWebMvcEndpointHandlerMapping extends RequestMappin
 				HttpServletRequest.class, HttpServletResponse.class));
 	}
 
+	@SuppressWarnings("deprecation")
 	private PatternsRequestCondition patternsRequestConditionForPattern(String path) {
 		String[] patterns = new String[] { this.endpointMapping.createSubPath(path) };
 		return new PatternsRequestCondition(patterns, builderConfig.getUrlPathHelper(), builderConfig.getPathMatcher(),

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/servlet/ControllerEndpointHandlerMapping.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -58,6 +58,7 @@ public class ControllerEndpointHandlerMapping extends RequestMappingHandlerMappi
 	 * @param endpoints the web endpoints
 	 * @param corsConfiguration the CORS configuration for the endpoints or {@code null}
 	 */
+	@SuppressWarnings("deprecation")
 	public ControllerEndpointHandlerMapping(EndpointMapping endpointMapping,
 			Collection<ExposableControllerEndpoint> endpoints, CorsConfiguration corsConfiguration) {
 		Assert.notNull(endpointMapping, "EndpointMapping must not be null");
@@ -102,6 +103,7 @@ public class ControllerEndpointHandlerMapping extends RequestMappingHandlerMappi
 		return this.endpointMapping.createSubPath(endpoint.getRootPath() + pattern);
 	}
 
+	@SuppressWarnings("deprecation")
 	private RequestMappingInfo withNewPatterns(RequestMappingInfo mapping, String[] patterns) {
 		PatternsRequestCondition patternsCondition = new PatternsRequestCondition(patterns, null, null,
 				useSuffixPatternMatch(), useTrailingSlashMatch(), null);

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/servlet/SkipPathExtensionContentNegotiation.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -19,18 +19,20 @@ package org.springframework.boot.actuate.endpoint.web.servlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
-import org.springframework.web.accept.PathExtensionContentNegotiationStrategy;
 import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
 
 /**
  * {@link HandlerInterceptorAdapter} to ensure that
- * {@link PathExtensionContentNegotiationStrategy} is skipped for web endpoints.
+ * {@link org.springframework.web.accept.PathExtensionContentNegotiationStrategy} is
+ * skipped for web endpoints.
  *
  * @author Phillip Webb
  */
 final class SkipPathExtensionContentNegotiation extends HandlerInterceptorAdapter {
 
-	private static final String SKIP_ATTRIBUTE = PathExtensionContentNegotiationStrategy.class.getName() + ".SKIP";
+	@SuppressWarnings("deprecation")
+	private static final String SKIP_ATTRIBUTE = org.springframework.web.accept.PathExtensionContentNegotiationStrategy.class
+			.getName() + ".SKIP";
 
 	@Override
 	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/web/annotation/ControllerEndpointDiscovererTests.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -25,7 +25,6 @@ import java.util.stream.Collectors;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.boot.actuate.endpoint.EndpointId;
-import org.springframework.boot.actuate.endpoint.ExposableEndpoint;
 import org.springframework.boot.actuate.endpoint.annotation.DiscoveredEndpoint;
 import org.springframework.boot.actuate.endpoint.annotation.Endpoint;
 import org.springframework.boot.actuate.endpoint.annotation.ReadOperation;
@@ -114,7 +113,7 @@ class ControllerEndpointDiscovererTests {
 		this.contextRunner.withUserConfiguration(WithRegularEndpointConfiguration.class)
 				.run(assertDiscoverer((discoverer) -> {
 					Collection<ExposableControllerEndpoint> endpoints = discoverer.getEndpoints();
-					List<EndpointId> ids = endpoints.stream().map(ExposableEndpoint::getEndpointId)
+					List<EndpointId> ids = endpoints.stream().map(ExposableControllerEndpoint::getEndpointId)
 							.collect(Collectors.toList());
 					assertThat(ids).containsOnly(EndpointId.of("testcontroller"), EndpointId.of("testrestcontroller"));
 				}));

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/web/annotation/ServletEndpointDiscovererTests.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -32,7 +32,6 @@ import javax.servlet.ServletResponse;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.boot.actuate.endpoint.EndpointId;
-import org.springframework.boot.actuate.endpoint.ExposableEndpoint;
 import org.springframework.boot.actuate.endpoint.annotation.DiscoveredEndpoint;
 import org.springframework.boot.actuate.endpoint.annotation.Endpoint;
 import org.springframework.boot.actuate.endpoint.annotation.ReadOperation;
@@ -97,7 +96,7 @@ class ServletEndpointDiscovererTests {
 		this.contextRunner.withUserConfiguration(WithRegularEndpointConfiguration.class)
 				.run(assertDiscoverer((discoverer) -> {
 					Collection<ExposableServletEndpoint> endpoints = discoverer.getEndpoints();
-					List<EndpointId> ids = endpoints.stream().map(ExposableEndpoint::getEndpointId)
+					List<EndpointId> ids = endpoints.stream().map(ExposableServletEndpoint::getEndpointId)
 							.collect(Collectors.toList());
 					assertThat(ids).containsOnly(EndpointId.of("testservlet"));
 				}));

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/trace/http/reactive/HttpTraceWebFilterTests.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -89,9 +89,10 @@ class HttpTraceWebFilterTests {
 		executeFilter(new ServerWebExchangeDecorator(
 				MockServerWebExchange.from(MockServerHttpRequest.get("https://api.example.com"))) {
 
+			@SuppressWarnings("unchecked")
 			@Override
-			public Mono<Principal> getPrincipal() {
-				return Mono.just(principal);
+			public <T extends Principal> Mono<T> getPrincipal() {
+				return Mono.just((T) principal);
 			}
 
 		}, (exchange) -> {

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/data/elasticsearch/ElasticsearchDataAutoConfiguration.java

@@ -22,7 +22,7 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.elasticsearch.ElasticsearchRestClientAutoConfiguration;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
-import org.springframework.data.elasticsearch.core.ElasticsearchTemplate;
+import org.springframework.data.elasticsearch.core.ElasticsearchRestTemplate;
 import org.springframework.data.elasticsearch.repository.config.EnableElasticsearchRepositories;
 import org.springframework.data.elasticsearch.repository.config.EnableReactiveElasticsearchRepositories;
 
@@ -38,7 +38,7 @@ import org.springframework.data.elasticsearch.repository.config.EnableReactiveEl
  * @since 1.1.0
  */
 @Configuration(proxyBeanMethods = false)
-@ConditionalOnClass({ ElasticsearchTemplate.class })
+@ConditionalOnClass({ ElasticsearchRestTemplate.class })
 @AutoConfigureAfter({ ElasticsearchRestClientAutoConfiguration.class,
 		ReactiveElasticsearchRestClientAutoConfiguration.class })
 @Import({ ElasticsearchDataConfiguration.BaseConfiguration.class,

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/integration/IntegrationAutoConfiguration.java

@@ -19,7 +19,6 @@ package org.springframework.boot.autoconfigure.integration;
 import javax.management.MBeanServer;
 import javax.sql.DataSource;
 
-import io.rsocket.RSocketFactory;
 import io.rsocket.transport.netty.server.TcpServerTransport;
 
 import org.springframework.beans.factory.BeanFactory;
@@ -156,8 +155,9 @@ public class IntegrationAutoConfiguration {
 	/**
 	 * Integration RSocket configuration.
 	 */
+	@SuppressWarnings("deprecation")
 	@Configuration(proxyBeanMethods = false)
-	@ConditionalOnClass({ IntegrationRSocketEndpoint.class, RSocketRequester.class, RSocketFactory.class })
+	@ConditionalOnClass({ IntegrationRSocketEndpoint.class, RSocketRequester.class, io.rsocket.RSocketFactory.class })
 	@Conditional(IntegrationRSocketConfiguration.AnyRSocketChannelAdapterAvailable.class)
 	protected static class IntegrationRSocketConfiguration {
 

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jms/artemis/ArtemisEmbeddedConfigurationFactory.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -18,12 +18,12 @@ package org.springframework.boot.autoconfigure.jms.artemis;
 
 import java.io.File;
 
+import org.apache.activemq.artemis.api.core.QueueConfiguration;
 import org.apache.activemq.artemis.api.core.RoutingType;
 import org.apache.activemq.artemis.api.core.SimpleString;
 import org.apache.activemq.artemis.api.core.TransportConfiguration;
 import org.apache.activemq.artemis.core.config.Configuration;
 import org.apache.activemq.artemis.core.config.CoreAddressConfiguration;
-import org.apache.activemq.artemis.core.config.CoreQueueConfiguration;
 import org.apache.activemq.artemis.core.config.impl.ConfigurationImpl;
 import org.apache.activemq.artemis.core.remoting.impl.invm.InVMAcceptorFactory;
 import org.apache.activemq.artemis.core.server.JournalType;
@@ -77,7 +77,7 @@ class ArtemisEmbeddedConfigurationFactory {
 
 	private CoreAddressConfiguration createAddressConfiguration(String name) {
 		return new CoreAddressConfiguration().setName(name).addRoutingType(RoutingType.ANYCAST).addQueueConfiguration(
-				new CoreQueueConfiguration().setName(name).setRoutingType(RoutingType.ANYCAST).setAddress(name));
+				new QueueConfiguration(name).setRoutingType(RoutingType.ANYCAST).setAddress(name));
 	}
 
 	private String getDataDir() {

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jms/artemis/ArtemisEmbeddedServerConfiguration.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -19,9 +19,9 @@ package org.springframework.boot.autoconfigure.jms.artemis;
 import java.util.List;
 import java.util.stream.Collectors;
 
+import org.apache.activemq.artemis.api.core.QueueConfiguration;
 import org.apache.activemq.artemis.api.core.RoutingType;
 import org.apache.activemq.artemis.core.config.CoreAddressConfiguration;
-import org.apache.activemq.artemis.core.config.CoreQueueConfiguration;
 import org.apache.activemq.artemis.core.server.embedded.EmbeddedActiveMQ;
 import org.apache.activemq.artemis.jms.server.config.JMSConfiguration;
 import org.apache.activemq.artemis.jms.server.config.JMSQueueConfiguration;
@@ -71,7 +71,7 @@ class ArtemisEmbeddedServerConfiguration {
 			String queueName = queueConfiguration.getName();
 			configuration.addAddressConfiguration(
 					new CoreAddressConfiguration().setName(queueName).addRoutingType(RoutingType.ANYCAST)
-							.addQueueConfiguration(new CoreQueueConfiguration().setAddress(queueName).setName(queueName)
+							.addQueueConfiguration(new QueueConfiguration(queueName).setAddress(queueName)
 									.setFilterString(queueConfiguration.getSelector())
 									.setDurable(queueConfiguration.isDurable()).setRoutingType(RoutingType.ANYCAST)));
 		}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/rsocket/RSocketMessagingAutoConfiguration.java

@@ -16,7 +16,6 @@
 
 package org.springframework.boot.autoconfigure.rsocket;
 
-import io.rsocket.RSocketFactory;
 import io.rsocket.transport.netty.server.TcpServerTransport;
 
 import org.springframework.beans.factory.ObjectProvider;
@@ -37,8 +36,9 @@ import org.springframework.messaging.rsocket.annotation.support.RSocketMessageHa
  * @author Brian Clozel
  * @since 2.2.0
  */
+@SuppressWarnings("deprecation")
 @Configuration(proxyBeanMethods = false)
-@ConditionalOnClass({ RSocketRequester.class, RSocketFactory.class, TcpServerTransport.class })
+@ConditionalOnClass({ RSocketRequester.class, io.rsocket.RSocketFactory.class, TcpServerTransport.class })
 @AutoConfigureAfter(RSocketStrategiesAutoConfiguration.class)
 public class RSocketMessagingAutoConfiguration {
 

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/rsocket/RSocketRequesterAutoConfiguration.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -16,7 +16,6 @@
 
 package org.springframework.boot.autoconfigure.rsocket;
 
-import io.rsocket.RSocketFactory;
 import io.rsocket.transport.netty.server.TcpServerTransport;
 import reactor.netty.http.server.HttpServer;
 
@@ -40,8 +39,10 @@ import org.springframework.messaging.rsocket.RSocketStrategies;
  * @author Brian Clozel
  * @since 2.2.0
  */
+@SuppressWarnings("deprecation")
 @Configuration(proxyBeanMethods = false)
-@ConditionalOnClass({ RSocketRequester.class, RSocketFactory.class, HttpServer.class, TcpServerTransport.class })
+@ConditionalOnClass({ RSocketRequester.class, io.rsocket.RSocketFactory.class, HttpServer.class,
+		TcpServerTransport.class })
 @AutoConfigureAfter(RSocketStrategiesAutoConfiguration.class)
 public class RSocketRequesterAutoConfiguration {
 

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/rsocket/RSocketServerAutoConfiguration.java

@@ -38,7 +38,6 @@ import org.springframework.boot.rsocket.context.RSocketServerBootstrap;
 import org.springframework.boot.rsocket.netty.NettyRSocketServerFactory;
 import org.springframework.boot.rsocket.server.RSocketServerCustomizer;
 import org.springframework.boot.rsocket.server.RSocketServerFactory;
-import org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Conditional;
 import org.springframework.context.annotation.Configuration;
@@ -72,7 +71,8 @@ public class RSocketServerAutoConfiguration {
 		@ConditionalOnMissingBean
 		@SuppressWarnings("deprecation")
 		RSocketWebSocketNettyRouteProvider rSocketWebsocketRouteProvider(RSocketProperties properties,
-				RSocketMessageHandler messageHandler, ObjectProvider<ServerRSocketFactoryProcessor> processors,
+				RSocketMessageHandler messageHandler,
+				ObjectProvider<org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor> processors,
 				ObjectProvider<RSocketServerCustomizer> customizers) {
 			return new RSocketWebSocketNettyRouteProvider(properties.getServer().getMappingPath(),
 					messageHandler.responder(), processors.orderedStream(), customizers.orderedStream());
@@ -94,7 +94,7 @@ public class RSocketServerAutoConfiguration {
 		@ConditionalOnMissingBean
 		@SuppressWarnings("deprecation")
 		RSocketServerFactory rSocketServerFactory(RSocketProperties properties, ReactorResourceFactory resourceFactory,
-				ObjectProvider<ServerRSocketFactoryProcessor> processors,
+				ObjectProvider<org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor> processors,
 				ObjectProvider<RSocketServerCustomizer> customizers) {
 			NettyRSocketServerFactory factory = new NettyRSocketServerFactory();
 			factory.setResourceFactory(resourceFactory);

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/rsocket/RSocketStrategiesAutoConfiguration.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -19,7 +19,6 @@ package org.springframework.boot.autoconfigure.rsocket;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.dataformat.cbor.CBORFactory;
 import io.netty.buffer.PooledByteBufAllocator;
-import io.rsocket.RSocketFactory;
 
 import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.boot.autoconfigure.AutoConfigureAfter;
@@ -48,8 +47,9 @@ import org.springframework.web.util.pattern.PathPatternRouteMatcher;
  * @author Brian Clozel
  * @since 2.2.0
  */
+@SuppressWarnings("deprecation")
 @Configuration(proxyBeanMethods = false)
-@ConditionalOnClass({ RSocketFactory.class, RSocketStrategies.class, PooledByteBufAllocator.class })
+@ConditionalOnClass({ io.rsocket.RSocketFactory.class, RSocketStrategies.class, PooledByteBufAllocator.class })
 @AutoConfigureAfter(JacksonAutoConfiguration.class)
 public class RSocketStrategiesAutoConfiguration {
 

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/rsocket/RSocketWebSocketNettyRouteProvider.java

@@ -20,7 +20,6 @@ import java.util.List;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-import io.rsocket.RSocketFactory;
 import io.rsocket.SocketAcceptor;
 import io.rsocket.core.RSocketServer;
 import io.rsocket.transport.ServerTransport;
@@ -28,7 +27,6 @@ import io.rsocket.transport.netty.server.WebsocketRouteTransport;
 import reactor.netty.http.server.HttpServerRoutes;
 
 import org.springframework.boot.rsocket.server.RSocketServerCustomizer;
-import org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor;
 import org.springframework.boot.web.embedded.netty.NettyRouteProvider;
 
 /**
@@ -43,12 +41,13 @@ class RSocketWebSocketNettyRouteProvider implements NettyRouteProvider {
 
 	private final SocketAcceptor socketAcceptor;
 
-	private final List<ServerRSocketFactoryProcessor> processors;
+	private final List<org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor> processors;
 
 	private final List<RSocketServerCustomizer> customizers;
 
 	RSocketWebSocketNettyRouteProvider(String mappingPath, SocketAcceptor socketAcceptor,
-			Stream<ServerRSocketFactoryProcessor> processors, Stream<RSocketServerCustomizer> customizers) {
+			Stream<org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor> processors,
+			Stream<RSocketServerCustomizer> customizers) {
 		this.mappingPath = mappingPath;
 		this.socketAcceptor = socketAcceptor;
 		this.processors = processors.collect(Collectors.toList());
@@ -58,7 +57,8 @@ class RSocketWebSocketNettyRouteProvider implements NettyRouteProvider {
 	@Override
 	public HttpServerRoutes apply(HttpServerRoutes httpServerRoutes) {
 		RSocketServer server = RSocketServer.create(this.socketAcceptor);
-		RSocketFactory.ServerRSocketFactory factory = new RSocketFactory.ServerRSocketFactory(server);
+		io.rsocket.RSocketFactory.ServerRSocketFactory factory = new io.rsocket.RSocketFactory.ServerRSocketFactory(
+				server);
 		this.processors.forEach((processor) -> processor.process(factory));
 		this.customizers.forEach((customizer) -> customizer.customize(server));
 		ServerTransport.ConnectionAcceptor connectionAcceptor = server.asConnectionAcceptor();

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/transaction/jta/BitronixJtaConfiguration.java

@@ -34,9 +34,6 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.boot.jdbc.XADataSourceWrapper;
 import org.springframework.boot.jms.XAConnectionFactoryWrapper;
-import org.springframework.boot.jta.bitronix.BitronixDependentBeanFactoryPostProcessor;
-import org.springframework.boot.jta.bitronix.BitronixXAConnectionFactoryWrapper;
-import org.springframework.boot.jta.bitronix.BitronixXADataSourceWrapper;
 import org.springframework.boot.system.ApplicationHome;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -92,14 +89,14 @@ class BitronixJtaConfiguration {
 
 	@Bean
 	@ConditionalOnMissingBean(XADataSourceWrapper.class)
-	BitronixXADataSourceWrapper xaDataSourceWrapper() {
-		return new BitronixXADataSourceWrapper();
+	org.springframework.boot.jta.bitronix.BitronixXADataSourceWrapper xaDataSourceWrapper() {
+		return new org.springframework.boot.jta.bitronix.BitronixXADataSourceWrapper();
 	}
 
 	@Bean
 	@ConditionalOnMissingBean
-	static BitronixDependentBeanFactoryPostProcessor bitronixDependentBeanFactoryPostProcessor() {
-		return new BitronixDependentBeanFactoryPostProcessor();
+	static org.springframework.boot.jta.bitronix.BitronixDependentBeanFactoryPostProcessor bitronixDependentBeanFactoryPostProcessor() {
+		return new org.springframework.boot.jta.bitronix.BitronixDependentBeanFactoryPostProcessor();
 	}
 
 	@Bean
@@ -116,8 +113,8 @@ class BitronixJtaConfiguration {
 
 		@Bean
 		@ConditionalOnMissingBean(XAConnectionFactoryWrapper.class)
-		BitronixXAConnectionFactoryWrapper xaConnectionFactoryWrapper() {
-			return new BitronixXAConnectionFactoryWrapper();
+		org.springframework.boot.jta.bitronix.BitronixXAConnectionFactoryWrapper xaConnectionFactoryWrapper() {
+			return new org.springframework.boot.jta.bitronix.BitronixXAConnectionFactoryWrapper();
 		}
 
 	}

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

@@ -82,7 +82,6 @@ import org.springframework.validation.Validator;
 import org.springframework.web.HttpMediaTypeNotAcceptableException;
 import org.springframework.web.accept.ContentNegotiationManager;
 import org.springframework.web.accept.ContentNegotiationStrategy;
-import org.springframework.web.accept.PathExtensionContentNegotiationStrategy;
 import org.springframework.web.bind.support.ConfigurableWebBindingInitializer;
 import org.springframework.web.context.request.NativeWebRequest;
 import org.springframework.web.context.request.RequestAttributes;
@@ -499,13 +498,14 @@ public class WebMvcAutoConfiguration {
 
 		@Bean
 		@Override
+		@SuppressWarnings("deprecation")
 		public ContentNegotiationManager mvcContentNegotiationManager() {
 			ContentNegotiationManager manager = super.mvcContentNegotiationManager();
 			List<ContentNegotiationStrategy> strategies = manager.getStrategies();
 			ListIterator<ContentNegotiationStrategy> iterator = strategies.listIterator();
 			while (iterator.hasNext()) {
 				ContentNegotiationStrategy strategy = iterator.next();
-				if (strategy instanceof PathExtensionContentNegotiationStrategy) {
+				if (strategy instanceof org.springframework.web.accept.PathExtensionContentNegotiationStrategy) {
 					iterator.set(new OptionalPathExtensionContentNegotiationStrategy(strategy));
 				}
 			}
@@ -577,12 +577,15 @@ public class WebMvcAutoConfiguration {
 	}
 
 	/**
-	 * Decorator to make {@link PathExtensionContentNegotiationStrategy} optional
-	 * depending on a request attribute.
+	 * Decorator to make
+	 * {@link org.springframework.web.accept.PathExtensionContentNegotiationStrategy}
+	 * optional depending on a request attribute.
 	 */
 	static class OptionalPathExtensionContentNegotiationStrategy implements ContentNegotiationStrategy {
 
-		private static final String SKIP_ATTRIBUTE = PathExtensionContentNegotiationStrategy.class.getName() + ".SKIP";
+		@SuppressWarnings("deprecation")
+		private static final String SKIP_ATTRIBUTE = org.springframework.web.accept.PathExtensionContentNegotiationStrategy.class
+				.getName() + ".SKIP";
 
 		private final ContentNegotiationStrategy delegate;
 

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/error/BasicErrorController.java

@@ -82,6 +82,7 @@ public class BasicErrorController extends AbstractErrorController {
 	}
 
 	@Override
+	@Deprecated
 	public String getErrorPath() {
 		return null;
 	}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/websocket/servlet/JettyWebSocketServletWebServerCustomizer.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -43,7 +43,7 @@ public class JettyWebSocketServletWebServerCustomizer
 
 			@Override
 			public void configure(WebAppContext context) throws Exception {
-				ServerContainer serverContainer = WebSocketServerContainerInitializer.configureContext(context);
+				ServerContainer serverContainer = WebSocketServerContainerInitializer.initialize(context);
 				ShutdownThread.deregister(serverContainer);
 			}
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/cache/CacheAutoConfigurationTests.java

@@ -42,6 +42,7 @@ import org.springframework.beans.factory.BeanCreationException;
 import org.springframework.beans.factory.config.BeanPostProcessor;
 import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.autoconfigure.cache.support.MockCachingProvider;
+import org.springframework.boot.autoconfigure.cache.support.MockCachingProvider.MockCacheManager;
 import org.springframework.boot.autoconfigure.hazelcast.HazelcastAutoConfiguration;
 import org.springframework.boot.test.context.assertj.AssertableApplicationContext;
 import org.springframework.boot.testsupport.classpath.ClassPathExclusions;
@@ -354,8 +355,9 @@ class CacheAutoConfigurationTests extends AbstractCacheAutoConfigurationTests {
 					assertThat(cacheManager.getCacheNames()).containsOnly("one", "two");
 					CompleteConfiguration<?, ?> defaultCacheConfiguration = context
 							.getBean(CompleteConfiguration.class);
-					verify(cacheManager.getCacheManager()).createCache("one", defaultCacheConfiguration);
-					verify(cacheManager.getCacheManager()).createCache("two", defaultCacheConfiguration);
+					MockCacheManager mockCacheManager = (MockCacheManager) cacheManager.getCacheManager();
+					assertThat(mockCacheManager.getConfigurations()).containsEntry("one", defaultCacheConfiguration)
+							.containsEntry("two", defaultCacheConfiguration);
 				});
 	}
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/cache/support/MockCachingProvider.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -27,8 +27,6 @@ import javax.cache.configuration.Configuration;
 import javax.cache.configuration.OptionalFeature;
 import javax.cache.spi.CachingProvider;
 
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.BDDMockito.given;
 import static org.mockito.Mockito.mock;
 
@@ -41,25 +39,8 @@ import static org.mockito.Mockito.mock;
 public class MockCachingProvider implements CachingProvider {
 
 	@Override
-	@SuppressWarnings("rawtypes")
 	public CacheManager getCacheManager(URI uri, ClassLoader classLoader, Properties properties) {
-		CacheManager cacheManager = mock(CacheManager.class);
-		given(cacheManager.getURI()).willReturn(uri);
-		given(cacheManager.getClassLoader()).willReturn(classLoader);
-		final Map<String, Cache> caches = new HashMap<>();
-		given(cacheManager.getCacheNames()).willReturn(caches.keySet());
-		given(cacheManager.getCache(anyString())).willAnswer((invocation) -> {
-			String cacheName = invocation.getArgument(0);
-			return caches.get(cacheName);
-		});
-		given(cacheManager.createCache(anyString(), any(Configuration.class))).will((invocation) -> {
-			String cacheName = invocation.getArgument(0);
-			Cache cache = mock(Cache.class);
-			given(cache.getName()).willReturn(cacheName);
-			caches.put(cacheName, cache);
-			return cache;
-		});
-		return cacheManager;
+		return new MockCacheManager(uri, classLoader, properties);
 	}
 
 	@Override
@@ -104,4 +85,108 @@ public class MockCachingProvider implements CachingProvider {
 		return false;
 	}
 
+	public static class MockCacheManager implements CacheManager {
+
+		private final Map<String, Configuration<?, ?>> configurations = new HashMap<>();
+
+		private final Map<String, Cache<?, ?>> caches = new HashMap<>();
+
+		private final URI uri;
+
+		private final ClassLoader classLoader;
+
+		private final Properties properties;
+
+		private boolean closed;
+
+		public MockCacheManager(URI uri, ClassLoader classLoader, Properties properties) {
+			this.uri = uri;
+			this.classLoader = classLoader;
+			this.properties = properties;
+		}
+
+		@Override
+		public CachingProvider getCachingProvider() {
+			throw new UnsupportedOperationException();
+		}
+
+		@Override
+		public URI getURI() {
+			return this.uri;
+		}
+
+		@Override
+		public ClassLoader getClassLoader() {
+			return this.classLoader;
+		}
+
+		@Override
+		public Properties getProperties() {
+			return this.properties;
+		}
+
+		@Override
+		@SuppressWarnings("unchecked")
+		public <K, V, C extends Configuration<K, V>> Cache<K, V> createCache(String cacheName, C configuration)
+				throws IllegalArgumentException {
+			this.configurations.put(cacheName, configuration);
+			Cache<K, V> cache = mock(Cache.class);
+			given(cache.getName()).willReturn(cacheName);
+			this.caches.put(cacheName, cache);
+			return cache;
+		}
+
+		@Override
+		@SuppressWarnings("unchecked")
+		public <K, V> Cache<K, V> getCache(String cacheName, Class<K> keyType, Class<V> valueType) {
+			return (Cache<K, V>) this.caches.get(cacheName);
+		}
+
+		@Override
+		@SuppressWarnings("unchecked")
+		public <K, V> Cache<K, V> getCache(String cacheName) {
+			return (Cache<K, V>) this.caches.get(cacheName);
+		}
+
+		@Override
+		public Iterable<String> getCacheNames() {
+			return this.caches.keySet();
+		}
+
+		@Override
+		public void destroyCache(String cacheName) {
+			this.caches.remove(cacheName);
+		}
+
+		@Override
+		public void enableManagement(String cacheName, boolean enabled) {
+			throw new UnsupportedOperationException();
+		}
+
+		@Override
+		public void enableStatistics(String cacheName, boolean enabled) {
+			throw new UnsupportedOperationException();
+		}
+
+		@Override
+		public void close() {
+			this.closed = true;
+		}
+
+		@Override
+		public boolean isClosed() {
+			return this.closed;
+		}
+
+		@Override
+		public <T> T unwrap(Class<T> clazz) {
+			throw new UnsupportedOperationException();
+		}
+
+		public Map<String, Configuration<?, ?>> getConfigurations() {
+			return this.configurations;
+		}
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/context/ConfigurationPropertiesAutoConfigurationTests.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -46,13 +46,13 @@ class ConfigurationPropertiesAutoConfigurationTests {
 
 	@Test
 	void processAnnotatedBean() {
-		load(new Class[] { AutoConfig.class, SampleBean.class }, "foo.name:test");
+		load(new Class<?>[] { AutoConfig.class, SampleBean.class }, "foo.name:test");
 		assertThat(this.context.getBean(SampleBean.class).getName()).isEqualTo("test");
 	}
 
 	@Test
 	void processAnnotatedBeanNoAutoConfig() {
-		load(new Class[] { SampleBean.class }, "foo.name:test");
+		load(new Class<?>[] { SampleBean.class }, "foo.name:test");
 		assertThat(this.context.getBean(SampleBean.class).getName()).isEqualTo("default");
 	}
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/rsocket/RSocketWebSocketNettyRouteProviderTests.java

@@ -28,7 +28,6 @@ import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.reactive.HttpHandlerAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.reactive.WebFluxAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.reactive.error.ErrorWebFluxAutoConfiguration;
-import org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
 import org.springframework.boot.web.embedded.netty.NettyReactiveWebServerFactory;
 import org.springframework.boot.web.reactive.context.AnnotationConfigReactiveWebServerApplicationContext;
@@ -109,7 +108,8 @@ class RSocketWebSocketNettyRouteProviderTests {
 		}
 
 		@Bean
-		ServerRSocketFactoryProcessor myRSocketFactoryProcessor() {
+		@SuppressWarnings("deprecation")
+		org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor myRSocketFactoryProcessor() {
 			return (server) -> {
 				processorCallCount++;
 				return server;

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/session/NonUniqueSessionRepositoryFailureAnalyzerTests.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -49,6 +49,7 @@ class NonUniqueSessionRepositoryFailureAnalyzerTests {
 	}
 
 	@SafeVarargs
+	@SuppressWarnings("varargs")
 	private final Exception createFailure(Class<? extends SessionRepository<?>>... candidates) {
 		return new NonUniqueSessionRepositoryException(Arrays.asList(candidates));
 	}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/transaction/jta/JtaAutoConfigurationTests.java

@@ -47,9 +47,6 @@ import org.springframework.boot.jms.XAConnectionFactoryWrapper;
 import org.springframework.boot.jta.atomikos.AtomikosDataSourceBean;
 import org.springframework.boot.jta.atomikos.AtomikosDependsOnBeanFactoryPostProcessor;
 import org.springframework.boot.jta.atomikos.AtomikosProperties;
-import org.springframework.boot.jta.bitronix.BitronixDependentBeanFactoryPostProcessor;
-import org.springframework.boot.jta.bitronix.PoolingConnectionFactoryBean;
-import org.springframework.boot.jta.bitronix.PoolingDataSourceBean;
 import org.springframework.boot.test.util.TestPropertyValues;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.context.annotation.Bean;
@@ -71,7 +68,7 @@ import static org.mockito.Mockito.mock;
  * @author Kazuki Shimizu
  * @author Nishant Raut
  */
-@SuppressWarnings("deprecation")
+// @SuppressWarnings("deprecation")
 class JtaAutoConfigurationTests {
 
 	private AnnotationConfigApplicationContext context;
@@ -123,7 +120,7 @@ class JtaAutoConfigurationTests {
 		this.context.getBean(TransactionManager.class);
 		this.context.getBean(XADataSourceWrapper.class);
 		this.context.getBean(XAConnectionFactoryWrapper.class);
-		this.context.getBean(BitronixDependentBeanFactoryPostProcessor.class);
+		this.context.getBean(org.springframework.boot.jta.bitronix.BitronixDependentBeanFactoryPostProcessor.class);
 		this.context.getBean(JtaTransactionManager.class);
 	}
 
@@ -178,7 +175,8 @@ class JtaAutoConfigurationTests {
 				"spring.jta.bitronix.connectionfactory.maxPoolSize:10").applyTo(this.context);
 		this.context.register(BitronixJtaConfiguration.class, PoolConfiguration.class);
 		this.context.refresh();
-		PoolingConnectionFactoryBean connectionFactory = this.context.getBean(PoolingConnectionFactoryBean.class);
+		org.springframework.boot.jta.bitronix.PoolingConnectionFactoryBean connectionFactory = this.context
+				.getBean(org.springframework.boot.jta.bitronix.PoolingConnectionFactoryBean.class);
 		assertThat(connectionFactory.getMinPoolSize()).isEqualTo(5);
 		assertThat(connectionFactory.getMaxPoolSize()).isEqualTo(10);
 	}
@@ -205,7 +203,8 @@ class JtaAutoConfigurationTests {
 				.applyTo(this.context);
 		this.context.register(BitronixJtaConfiguration.class, PoolConfiguration.class);
 		this.context.refresh();
-		PoolingDataSourceBean dataSource = this.context.getBean(PoolingDataSourceBean.class);
+		org.springframework.boot.jta.bitronix.PoolingDataSourceBean dataSource = this.context
+				.getBean(org.springframework.boot.jta.bitronix.PoolingDataSourceBean.class);
 		assertThat(dataSource.getMinPoolSize()).isEqualTo(5);
 		assertThat(dataSource.getMaxPoolSize()).isEqualTo(10);
 	}

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

@@ -145,13 +145,13 @@ class ServerPropertiesTests {
 		assertThat(accesslog.isRenameOnRotate()).isTrue();
 		assertThat(accesslog.isIpv6Canonical()).isTrue();
 		assertThat(accesslog.isRequestAttributesEnabled()).isTrue();
-		assertThat(tomcat.getRemoteIpHeader()).isEqualTo("Remote-Ip");
-		assertThat(tomcat.getProtocolHeader()).isEqualTo("X-Forwarded-Protocol");
-		assertThat(tomcat.getInternalProxies()).isEqualTo("10\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}");
+		assertThat(tomcat.getRemoteip().getRemoteIpHeader()).isEqualTo("Remote-Ip");
+		assertThat(tomcat.getRemoteip().getProtocolHeader()).isEqualTo("X-Forwarded-Protocol");
+		assertThat(tomcat.getRemoteip().getInternalProxies()).isEqualTo("10\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}");
 		assertThat(tomcat.getBackgroundProcessorDelay()).hasSeconds(10);
 		assertThat(tomcat.getRelaxedPathChars()).containsExactly('|', '<');
 		assertThat(tomcat.getRelaxedQueryChars()).containsExactly('^', '|');
-		assertThat(tomcat.getUseRelativeRedirects()).isTrue();
+		assertThat(tomcat.isUseRelativeRedirects()).isTrue();
 	}
 
 	@Test
@@ -444,13 +444,13 @@ class ServerPropertiesTests {
 
 	@Test
 	void tomcatInternalProxiesMatchesDefault() {
-		assertThat(this.properties.getTomcat().getInternalProxies())
+		assertThat(this.properties.getTomcat().getRemoteip().getInternalProxies())
 				.isEqualTo(new RemoteIpValve().getInternalProxies());
 	}
 
 	@Test
 	void tomcatUseRelativeRedirectsDefaultsToFalse() {
-		assertThat(this.properties.getTomcat().getUseRelativeRedirects()).isFalse();
+		assertThat(this.properties.getTomcat().isUseRelativeRedirects()).isFalse();
 	}
 
 	@Test

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

@@ -233,9 +233,10 @@ class JettyWebServerFactoryCustomizerTests {
 		assertThat(threadPool).isInstanceOf(QueuedThreadPool.class);
 		QueuedThreadPool queuedThreadPool = (QueuedThreadPool) threadPool;
 		Jetty defaultProperties = new Jetty();
-		assertThat(queuedThreadPool.getMinThreads()).isEqualTo(defaultProperties.getMinThreads());
-		assertThat(queuedThreadPool.getMaxThreads()).isEqualTo(defaultProperties.getMaxThreads());
-		assertThat(queuedThreadPool.getIdleTimeout()).isEqualTo(defaultProperties.getThreadIdleTimeout().toMillis());
+		assertThat(queuedThreadPool.getMinThreads()).isEqualTo(defaultProperties.getThreads().getMin());
+		assertThat(queuedThreadPool.getMaxThreads()).isEqualTo(defaultProperties.getThreads().getMax());
+		assertThat(queuedThreadPool.getIdleTimeout())
+				.isEqualTo(defaultProperties.getThreads().getIdleTimeout().toMillis());
 	}
 
 	private CustomRequestLog getRequestLog(JettyWebServer server) {

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

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -84,7 +84,7 @@ class TomcatServletWebServerFactoryCustomizerTests {
 	@Test
 	void useRelativeRedirectsCanBeConfigured() {
 		bind("server.tomcat.use-relative-redirects=true");
-		assertThat(this.serverProperties.getTomcat().getUseRelativeRedirects()).isTrue();
+		assertThat(this.serverProperties.getTomcat().isUseRelativeRedirects()).isTrue();
 		TomcatWebServer server = customizeAndGetServer();
 		Context context = (Context) server.getTomcat().getHost().findChildren()[0];
 		assertThat(context.getUseRelativeRedirects()).isTrue();

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

@@ -77,7 +77,6 @@ import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;
 import org.springframework.web.accept.ContentNegotiationManager;
 import org.springframework.web.accept.ContentNegotiationStrategy;
 import org.springframework.web.accept.ParameterContentNegotiationStrategy;
-import org.springframework.web.accept.PathExtensionContentNegotiationStrategy;
 import org.springframework.web.bind.support.ConfigurableWebBindingInitializer;
 import org.springframework.web.context.request.ServletWebRequest;
 import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
@@ -744,6 +743,7 @@ class WebMvcAutoConfigurationTests {
 	}
 
 	@Test
+	@SuppressWarnings("deprecation")
 	void defaultPathMatching() {
 		this.contextRunner.run((context) -> {
 			RequestMappingHandlerMapping handlerMapping = context.getBean(RequestMappingHandlerMapping.class);
@@ -754,6 +754,7 @@ class WebMvcAutoConfigurationTests {
 
 	@Test
 	@Deprecated
+	@SuppressWarnings("deprecation")
 	void useSuffixPatternMatch() {
 		this.contextRunner.withPropertyValues("spring.mvc.pathmatch.use-suffix-pattern:true",
 				"spring.mvc.pathmatch.use-registered-suffix-pattern:true").run((context) -> {
@@ -807,12 +808,15 @@ class WebMvcAutoConfigurationTests {
 	}
 
 	@Test
+	@SuppressWarnings("deprecation")
 	void contentNegotiationStrategySkipsPathExtension() throws Exception {
 		ContentNegotiationStrategy delegate = mock(ContentNegotiationStrategy.class);
 		ContentNegotiationStrategy strategy = new WebMvcAutoConfiguration.OptionalPathExtensionContentNegotiationStrategy(
 				delegate);
 		MockHttpServletRequest request = new MockHttpServletRequest();
-		request.setAttribute(PathExtensionContentNegotiationStrategy.class.getName() + ".SKIP", Boolean.TRUE);
+		request.setAttribute(
+				org.springframework.web.accept.PathExtensionContentNegotiationStrategy.class.getName() + ".SKIP",
+				Boolean.TRUE);
 		ServletWebRequest webRequest = new ServletWebRequest(request);
 		List<MediaType> mediaTypes = strategy.resolveMediaTypes(webRequest);
 		assertThat(mediaTypes).containsOnly(MediaType.ALL);
@@ -1128,6 +1132,7 @@ class WebMvcAutoConfigurationTests {
 	static class CustomConfigurer implements WebMvcConfigurer {
 
 		@Override
+		@SuppressWarnings("deprecation")
 		public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {
 			configurer.favorPathExtension(true);
 		}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/error/BasicErrorControllerIntegrationTests.java

@@ -136,6 +136,7 @@ class BasicErrorControllerIntegrationTests {
 	}
 
 	@Test
+	@SuppressWarnings("rawtypes")
 	void testErrorForMachineClientAlwaysParamsWithoutMessage() {
 		load("--server.error.include-exception=true", "--server.error.include-message=always");
 		ResponseEntity<Map> entity = new TestRestTemplate().getForEntity(createUrl("/noMessage"), Map.class);

spring-boot-project/spring-boot-cli/src/main/java/org/springframework/boot/cli/compiler/DependencyManagementBomTransformation.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -35,8 +35,6 @@ import org.apache.maven.model.Repository;
 import org.apache.maven.model.building.DefaultModelBuilder;
 import org.apache.maven.model.building.DefaultModelBuilderFactory;
 import org.apache.maven.model.building.DefaultModelBuildingRequest;
-import org.apache.maven.model.building.ModelSource;
-import org.apache.maven.model.building.UrlModelSource;
 import org.apache.maven.model.resolution.InvalidRepositoryException;
 import org.apache.maven.model.resolution.ModelResolver;
 import org.apache.maven.model.resolution.UnresolvableModelException;
@@ -161,13 +159,13 @@ public class DependencyManagementBomTransformation extends AnnotatedNodeASTTrans
 	}
 
 	private void updateDependencyResolutionContext(List<Map<String, String>> bomDependencies) {
-		URI[] uris = Grape.getInstance().resolve(null, bomDependencies.toArray(new Map[0]));
+		URI[] uris = Grape.getInstance().resolve(null, bomDependencies.toArray(new Map<?, ?>[0]));
 		DefaultModelBuilder modelBuilder = new DefaultModelBuilderFactory().newInstance();
 		for (URI uri : uris) {
 			try {
 				DefaultModelBuildingRequest request = new DefaultModelBuildingRequest();
 				request.setModelResolver(new GrapeModelResolver());
-				request.setModelSource(new UrlModelSource(uri.toURL()));
+				request.setModelSource(new org.apache.maven.model.building.UrlModelSource(uri.toURL()));
 				request.setSystemProperties(System.getProperties());
 				Model model = modelBuilder.build(request).getEffectiveModel();
 				this.resolutionContext.addDependencyManagement(new MavenModelDependencyManagement(model));
@@ -197,25 +195,28 @@ public class DependencyManagementBomTransformation extends AnnotatedNodeASTTrans
 	private static class GrapeModelResolver implements ModelResolver {
 
 		@Override
-		public ModelSource resolveModel(Parent parent) throws UnresolvableModelException {
+		public org.apache.maven.model.building.ModelSource resolveModel(Parent parent)
+				throws UnresolvableModelException {
 			return resolveModel(parent.getGroupId(), parent.getArtifactId(), parent.getVersion());
 		}
 
 		@Override
-		public ModelSource resolveModel(Dependency dependency) throws UnresolvableModelException {
+		public org.apache.maven.model.building.ModelSource resolveModel(Dependency dependency)
+				throws UnresolvableModelException {
 			return resolveModel(dependency.getGroupId(), dependency.getArtifactId(), dependency.getVersion());
 		}
 
 		@Override
-		public ModelSource resolveModel(String groupId, String artifactId, String version)
-				throws UnresolvableModelException {
+		public org.apache.maven.model.building.ModelSource resolveModel(String groupId, String artifactId,
+				String version) throws UnresolvableModelException {
 			Map<String, String> dependency = new HashMap<>();
 			dependency.put("group", groupId);
 			dependency.put("module", artifactId);
 			dependency.put("version", version);
 			dependency.put("type", "pom");
 			try {
-				return new UrlModelSource(Grape.getInstance().resolve(null, dependency)[0].toURL());
+				return new org.apache.maven.model.building.UrlModelSource(
+						Grape.getInstance().resolve(null, dependency)[0].toURL());
 			}
 			catch (MalformedURLException ex) {
 				throw new UnresolvableModelException(ex.getMessage(), groupId, artifactId, version);

spring-boot-project/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/web/reactive/WebFluxTest.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -32,7 +32,6 @@ import org.springframework.boot.test.autoconfigure.core.AutoConfigureCache;
 import org.springframework.boot.test.autoconfigure.filter.TypeExcludeFilters;
 import org.springframework.boot.test.autoconfigure.json.AutoConfigureJson;
 import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Import;
 import org.springframework.core.annotation.AliasFor;
@@ -55,9 +54,10 @@ import org.springframework.test.web.reactive.server.WebTestClient;
  * {@link WebTestClient}. For more fine-grained control of WebTestClient the
  * {@link AutoConfigureWebTestClient @AutoConfigureWebTestClient} annotation can be used.
  * <p>
- * Typically {@code @WebFluxTest} is used in combination with {@link MockBean @MockBean}
- * or {@link Import @Import} to create any collaborators required by your
- * {@code @Controller} beans.
+ * Typically {@code @WebFluxTest} is used in combination with
+ * {@link org.springframework.boot.test.mock.mockito.MockBean @MockBean} or
+ * {@link Import @Import} to create any collaborators required by your {@code @Controller}
+ * beans.
  * <p>
  * If you are looking to load your full application configuration and use WebTestClient,
  * you should consider {@link SpringBootTest @SpringBootTest} combined with

spring-boot-project/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/web/servlet/SpringBootMockMvcBuilderCustomizer.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -109,7 +109,7 @@ public class SpringBootMockMvcBuilderCustomizer implements MockMvcBuilderCustomi
 	private void addFilters(ConfigurableMockMvcBuilder<?> builder) {
 		FilterRegistrationBeans registrations = new FilterRegistrationBeans(this.context);
 		registrations.stream().map(AbstractFilterRegistrationBean.class::cast)
-				.filter(AbstractFilterRegistrationBean::isEnabled)
+				.filter(AbstractFilterRegistrationBean<?>::isEnabled)
 				.forEach((registration) -> addFilter(builder, registration));
 	}
 

spring-boot-project/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/web/servlet/WebMvcTest.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -31,7 +31,6 @@ import org.springframework.boot.test.autoconfigure.OverrideAutoConfiguration;
 import org.springframework.boot.test.autoconfigure.core.AutoConfigureCache;
 import org.springframework.boot.test.autoconfigure.filter.TypeExcludeFilters;
 import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.context.annotation.ComponentScan.Filter;
 import org.springframework.context.annotation.Import;
 import org.springframework.core.annotation.AliasFor;
@@ -56,7 +55,8 @@ import org.springframework.test.web.servlet.MockMvc;
  * WebDriver). For more fine-grained control of MockMVC the
  * {@link AutoConfigureMockMvc @AutoConfigureMockMvc} annotation can be used.
  * <p>
- * Typically {@code @WebMvcTest} is used in combination with {@link MockBean @MockBean} or
+ * Typically {@code @WebMvcTest} is used in combination with
+ * {@link org.springframework.boot.test.mock.mockito.MockBean @MockBean} or
  * {@link Import @Import} to create any collaborators required by your {@code @Controller}
  * beans.
  * <p>

spring-boot-project/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/webservices/client/WebServiceClientExcludeFilter.java

@@ -36,7 +36,7 @@ public final class WebServiceClientExcludeFilter
 
 	protected WebServiceClientExcludeFilter(Class<?> testClass) {
 		super(testClass);
-		this.components = getAnnotation().getValue("components", Class[].class).orElse(new Class[0]);
+		this.components = getAnnotation().getValue("components", Class[].class).orElse(new Class<?>[0]);
 	}
 
 	@Override

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/context/FilteredClassLoader.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -77,6 +77,7 @@ public class FilteredClassLoader extends URLClassLoader {
 	 * name of a class or a resource name.
 	 */
 	@SafeVarargs
+	@SuppressWarnings("varargs")
 	public FilteredClassLoader(Predicate<String>... filters) {
 		this(Arrays.asList(filters), Arrays.asList(filters));
 	}

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/mock/mockito/MockitoPostProcessor.java

@@ -16,7 +16,6 @@
 
 package org.springframework.boot.test.mock.mockito;
 
-import java.beans.PropertyDescriptor;
 import java.lang.reflect.Field;
 import java.util.Arrays;
 import java.util.Collection;
@@ -333,8 +332,8 @@ public class MockitoPostProcessor extends InstantiationAwareBeanPostProcessorAda
 	}
 
 	@Override
-	public PropertyValues postProcessPropertyValues(PropertyValues pvs, PropertyDescriptor[] pds, final Object bean,
-			String beanName) throws BeansException {
+	public PropertyValues postProcessProperties(PropertyValues pvs, Object bean, String beanName)
+			throws BeansException {
 		ReflectionUtils.doWithFields(bean.getClass(), (field) -> postProcessField(bean, field));
 		return pvs;
 	}

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/build.gradle

@@ -15,6 +15,7 @@ sourceSets {
 }
 
 dependencies {
+	testCompileOnly("com.google.code.findbugs:jsr305:3.0.2")
 	testImplementation(enforcedPlatform(project(":spring-boot-project:spring-boot-dependencies")))
 	testImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-test-support"))
 	testImplementation("javax.validation:validation-api")

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/plugin/MavenPluginAction.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -19,12 +19,11 @@ package org.springframework.boot.gradle.plugin;
 import org.gradle.api.Action;
 import org.gradle.api.Plugin;
 import org.gradle.api.Project;
-import org.gradle.api.artifacts.maven.MavenResolver;
-import org.gradle.api.plugins.MavenPlugin;
 import org.gradle.api.tasks.Upload;
 
 /**
- * {@link Action} that is executed in response to the {@link MavenPlugin} being applied.
+ * {@link Action} that is executed in response to the
+ * {@link org.gradle.api.plugins.MavenPlugin} being applied.
  *
  * @author Andy Wilkinson
  */
@@ -37,8 +36,9 @@ final class MavenPluginAction implements PluginApplicationAction {
 	}
 
 	@Override
+	@SuppressWarnings("deprecation")
 	public Class<? extends Plugin<? extends Project>> getPluginClass() {
-		return MavenPlugin.class;
+		return org.gradle.api.plugins.MavenPlugin.class;
 	}
 
 	@Override
@@ -50,8 +50,9 @@ final class MavenPluginAction implements PluginApplicationAction {
 		});
 	}
 
+	@SuppressWarnings("deprecation")
 	private void clearConfigurationMappings(Upload upload) {
-		upload.getRepositories().withType(MavenResolver.class,
+		upload.getRepositories().withType(org.gradle.api.artifacts.maven.MavenResolver.class,
 				(resolver) -> resolver.getPom().getScopeMappings().getMappings().clear());
 	}
 

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/BootJar.java

@@ -208,11 +208,13 @@ public class BootJar extends Jar implements BootArchive {
 	}
 
 	@Override
+	@Deprecated
 	public boolean isExcludeDevtools() {
 		return this.support.isExcludeDevtools();
 	}
 
 	@Override
+	@Deprecated
 	public void setExcludeDevtools(boolean excludeDevtools) {
 		this.support.setExcludeDevtools(excludeDevtools);
 	}

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/BootWar.java

@@ -165,11 +165,13 @@ public class BootWar extends War implements BootArchive {
 	}
 
 	@Override
+	@Deprecated
 	public boolean isExcludeDevtools() {
 		return this.support.isExcludeDevtools();
 	}
 
 	@Override
+	@Deprecated
 	public void setExcludeDevtools(boolean excludeDevtools) {
 		this.support.setExcludeDevtools(excludeDevtools);
 	}

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/bundling/BootWarTests.java

@@ -81,6 +81,7 @@ class BootWarTests extends AbstractBootArchiveTests<BootWar> {
 	}
 
 	@Test
+	@Deprecated
 	void devtoolsJarCanBeIncludedWhenItsOnTheProvidedClasspath() throws IOException {
 		getTask().setMainClassName("com.example.Main");
 		getTask().providedClasspath(jarFile("spring-boot-devtools-0.1.2.jar"));

spring-boot-project/spring-boot-tools/spring-boot-loader-tools/build.gradle

@@ -65,3 +65,9 @@ processResources {
 	dependsOn reproducibleLoaderJar
 	dependsOn reproducibleJarModeLayerToolsJar
 }
+
+compileJava {
+	if ((!project.hasProperty("buildJavaHome")) && JavaVersion.current() == JavaVersion.VERSION_1_8) {
+		options.compilerArgs += ['-Xlint:-sunapi', '-XDenableSunApiLintControl']	
+	}	
+}

spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/archive/ExplodedArchive.java

@@ -103,6 +103,7 @@ public class ExplodedArchive implements Archive {
 	}
 
 	@Override
+	@Deprecated
 	public Iterator<Entry> iterator() {
 		return new EntryIterator(this.root, this.recursive, null, null);
 	}
@@ -321,6 +322,7 @@ public class ExplodedArchive implements Archive {
 		}
 
 		@Override
+		@Deprecated
 		public Iterator<Entry> iterator() {
 			return Collections.emptyIterator();
 		}

spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/archive/JarFileArchive.java

@@ -81,6 +81,7 @@ public class JarFileArchive implements Archive {
 	}
 
 	@Override
+	@Deprecated
 	public Iterator<Entry> iterator() {
 		return new EntryIterator(this.jarFile.iterator(), null, null);
 	}

spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/PropertiesLauncherTests.java

@@ -25,6 +25,7 @@ import java.net.URLClassLoader;
 import java.time.Duration;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.jar.Attributes;
@@ -289,7 +290,7 @@ class PropertiesLauncherTests {
 		assertThat(loader.getClass().getName()).isEqualTo(TestLoader.class.getName());
 	}
 
-	private List<Archive> archives() throws Exception {
+	private Iterator<Archive> archives() throws Exception {
 		List<Archive> archives = new ArrayList<>();
 		String path = System.getProperty("java.class.path");
 		for (String url : path.split(File.pathSeparator)) {
@@ -298,7 +299,7 @@ class PropertiesLauncherTests {
 				archives.add(archive);
 			}
 		}
-		return archives;
+		return archives.iterator();
 	}
 
 	private Archive archive(String url) throws IOException {

spring-boot-project/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/JarFileArchiveTests.java

@@ -148,6 +148,7 @@ class JarFileArchiveTests {
 		File file = new File(this.tempDir, "test.jar");
 		FileCopyUtils.copy(writeZip64Jar(), file);
 		try (JarFileArchive zip64Archive = new JarFileArchive(file)) {
+			@SuppressWarnings("deprecation")
 			Iterator<Entry> entries = zip64Archive.iterator();
 			for (int i = 0; i < 65537; i++) {
 				assertThat(entries.hasNext()).as(i + "nth file is present").isTrue();

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

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -46,11 +46,10 @@ public abstract class DependencyFilter extends AbstractArtifactsFilter {
 	}
 
 	@Override
-	@SuppressWarnings({ "rawtypes", "unchecked" })
-	public Set filter(Set artifacts) throws ArtifactFilterException {
-		Set result = new HashSet();
-		for (Object artifact : artifacts) {
-			if (!filter((Artifact) artifact)) {
+	public Set<Artifact> filter(Set<Artifact> artifacts) throws ArtifactFilterException {
+		Set<Artifact> result = new HashSet<>();
+		for (Artifact artifact : artifacts) {
+			if (!filter(artifact)) {
 				result.add(artifact);
 			}
 		}

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/SpringApplication.java

@@ -310,7 +310,7 @@ public class SpringApplication {
 			Banner printedBanner = printBanner(environment);
 			context = createApplicationContext();
 			exceptionReporters = getSpringFactoriesInstances(SpringBootExceptionReporter.class,
-					new Class[] { ConfigurableApplicationContext.class }, context);
+					new Class<?>[] { ConfigurableApplicationContext.class }, context);
 			prepareContext(context, environment, listeners, applicationArguments, printedBanner);
 			refreshContext(context);
 			afterRefresh(context, applicationArguments);

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/rsocket/netty/NettyRSocketServerFactory.java

@@ -24,8 +24,6 @@ import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
 
-import io.rsocket.RSocketFactory;
-import io.rsocket.RSocketFactory.ServerRSocketFactory;
 import io.rsocket.SocketAcceptor;
 import io.rsocket.transport.ServerTransport;
 import io.rsocket.transport.netty.server.CloseableChannel;
@@ -39,7 +37,6 @@ import org.springframework.boot.rsocket.server.ConfigurableRSocketServerFactory;
 import org.springframework.boot.rsocket.server.RSocketServer;
 import org.springframework.boot.rsocket.server.RSocketServerCustomizer;
 import org.springframework.boot.rsocket.server.RSocketServerFactory;
-import org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor;
 import org.springframework.http.client.reactive.ReactorResourceFactory;
 import org.springframework.util.Assert;
 
@@ -62,7 +59,8 @@ public class NettyRSocketServerFactory implements RSocketServerFactory, Configur
 
 	private Duration lifecycleTimeout;
 
-	private List<ServerRSocketFactoryProcessor> socketFactoryProcessors = new ArrayList<>();
+	@SuppressWarnings("deprecation")
+	private List<org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor> socketFactoryProcessors = new ArrayList<>();
 
 	private List<RSocketServerCustomizer> rSocketServerCustomizers = new ArrayList<>();
 
@@ -90,29 +88,32 @@ public class NettyRSocketServerFactory implements RSocketServerFactory, Configur
 	}
 
 	/**
-	 * Set {@link ServerRSocketFactoryProcessor}s that should be called to process the
-	 * {@link ServerRSocketFactory} while building the server. Calling this method will
-	 * replace any existing processors.
+	 * Set {@link org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor}s
+	 * that should be called to process the
+	 * {@link io.rsocket.RSocketFactory.ServerRSocketFactory} while building the server.
+	 * Calling this method will replace any existing processors.
 	 * @param socketFactoryProcessors processors to apply before the server starts
 	 * @deprecated in favor of {@link #setRSocketServerCustomizers(Collection)} as of
 	 * 2.2.7
 	 */
 	@Deprecated
 	public void setSocketFactoryProcessors(
-			Collection<? extends ServerRSocketFactoryProcessor> socketFactoryProcessors) {
+			Collection<? extends org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor> socketFactoryProcessors) {
 		Assert.notNull(socketFactoryProcessors, "SocketFactoryProcessors must not be null");
 		this.socketFactoryProcessors = new ArrayList<>(socketFactoryProcessors);
 	}
 
 	/**
-	 * Add {@link ServerRSocketFactoryProcessor}s that should be called to process the
-	 * {@link ServerRSocketFactory} while building the server.
+	 * Add {@link org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor}s
+	 * that should be called to process the
+	 * {@link io.rsocket.RSocketFactory.ServerRSocketFactory} while building the server.
 	 * @param socketFactoryProcessors processors to apply before the server starts
 	 * @deprecated in favor of
 	 * {@link #addRSocketServerCustomizers(RSocketServerCustomizer...)} as of 2.2.7
 	 */
 	@Deprecated
-	public void addSocketFactoryProcessors(ServerRSocketFactoryProcessor... socketFactoryProcessors) {
+	public void addSocketFactoryProcessors(
+			org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor... socketFactoryProcessors) {
 		Assert.notNull(socketFactoryProcessors, "SocketFactoryProcessors must not be null");
 		this.socketFactoryProcessors.addAll(Arrays.asList(socketFactoryProcessors));
 	}
@@ -154,7 +155,8 @@ public class NettyRSocketServerFactory implements RSocketServerFactory, Configur
 	public NettyRSocketServer create(SocketAcceptor socketAcceptor) {
 		ServerTransport<CloseableChannel> transport = createTransport();
 		io.rsocket.core.RSocketServer server = io.rsocket.core.RSocketServer.create(socketAcceptor);
-		RSocketFactory.ServerRSocketFactory factory = new ServerRSocketFactory(server);
+		io.rsocket.RSocketFactory.ServerRSocketFactory factory = new io.rsocket.RSocketFactory.ServerRSocketFactory(
+				server);
 		this.rSocketServerCustomizers.forEach((customizer) -> customizer.customize(server));
 		this.socketFactoryProcessors.forEach((processor) -> processor.process(factory));
 		Mono<CloseableChannel> starter = server.bind(transport);

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/rsocket/server/ServerRSocketFactoryProcessor.java

@@ -16,10 +16,9 @@
 
 package org.springframework.boot.rsocket.server;
 
-import io.rsocket.RSocketFactory.ServerRSocketFactory;
-
 /**
- * Processor that allows for custom modification of a {@link ServerRSocketFactory
+ * Processor that allows for custom modification of a
+ * {@link io.rsocket.RSocketFactory.ServerRSocketFactory
  * RSocketFactory.ServerRSocketFactory} before it is used.
  *
  * @author Brian Clozel
@@ -37,6 +36,6 @@ public interface ServerRSocketFactoryProcessor {
 	 * @param factory the factory to process
 	 * @return the processed factory instance
 	 */
-	ServerRSocketFactory process(ServerRSocketFactory factory);
+	io.rsocket.RSocketFactory.ServerRSocketFactory process(io.rsocket.RSocketFactory.ServerRSocketFactory factory);
 
 }

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/ServletContextInitializerBeans.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -77,6 +77,7 @@ public class ServletContextInitializerBeans extends AbstractCollection<ServletCo
 	private List<ServletContextInitializer> sortedList;
 
 	@SafeVarargs
+	@SuppressWarnings("varargs")
 	public ServletContextInitializerBeans(ListableBeanFactory beanFactory,
 			Class<? extends ServletContextInitializer>... initializerTypes) {
 		this.initializers = new LinkedMultiValueMap<>();

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/properties/ConfigurationPropertiesTests.java

@@ -257,7 +257,7 @@ class ConfigurationPropertiesTests {
 		AnnotationConfigApplicationContext parent = load(BasicConfiguration.class, "name=parent");
 		this.context = new AnnotationConfigApplicationContext();
 		this.context.setParent(parent);
-		load(new Class[] { BasicConfiguration.class, BasicPropertiesConsumer.class }, "name=child");
+		load(new Class<?>[] { BasicConfiguration.class, BasicPropertiesConsumer.class }, "name=child");
 		assertThat(this.context.getBean(BasicProperties.class)).isNotNull();
 		assertThat(parent.getBean(BasicProperties.class)).isNotNull();
 		assertThat(this.context.getBean(BasicPropertiesConsumer.class).getName()).isEqualTo("parent");

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/jta/atomikos/AtomikosPropertiesTests.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -97,7 +97,7 @@ class AtomikosPropertiesTests {
 	}
 
 	private MapEntry<?, ?>[] defaultOf(Properties defaultSettings, String... keys) {
-		MapEntry<?, ?>[] entries = new MapEntry[keys.length];
+		MapEntry<?, ?>[] entries = new MapEntry<?, ?>[keys.length];
 		for (int i = 0; i < keys.length; i++) {
 			String key = keys[i];
 			entries[i] = entry(key, defaultSettings.get(key));

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/rsocket/netty/NettyRSocketServerFactoryTests.java

@@ -25,7 +25,6 @@ import io.netty.buffer.PooledByteBufAllocator;
 import io.rsocket.ConnectionSetupPayload;
 import io.rsocket.Payload;
 import io.rsocket.RSocket;
-import io.rsocket.RSocketFactory;
 import io.rsocket.SocketAcceptor;
 import io.rsocket.transport.netty.client.WebsocketClientTransport;
 import io.rsocket.util.DefaultPayload;
@@ -37,7 +36,6 @@ import reactor.core.publisher.Mono;
 
 import org.springframework.boot.rsocket.server.RSocketServer;
 import org.springframework.boot.rsocket.server.RSocketServerCustomizer;
-import org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor;
 import org.springframework.core.codec.CharSequenceEncoder;
 import org.springframework.core.codec.StringDecoder;
 import org.springframework.core.io.buffer.NettyDataBufferFactory;
@@ -131,20 +129,20 @@ class NettyRSocketServerFactoryTests {
 	}
 
 	@Test
-	@SuppressWarnings("deprecation")
+	@Deprecated
 	void serverProcessors() {
 		NettyRSocketServerFactory factory = getFactory();
-		ServerRSocketFactoryProcessor[] processors = new ServerRSocketFactoryProcessor[2];
+		org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor[] processors = new org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor[2];
 		for (int i = 0; i < processors.length; i++) {
-			processors[i] = mock(ServerRSocketFactoryProcessor.class);
-			given(processors[i].process(any(RSocketFactory.ServerRSocketFactory.class)))
+			processors[i] = mock(org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor.class);
+			given(processors[i].process(any(io.rsocket.RSocketFactory.ServerRSocketFactory.class)))
 					.will((invocation) -> invocation.getArgument(0));
 		}
 		factory.setSocketFactoryProcessors(Arrays.asList(processors));
 		this.server = factory.create(new EchoRequestResponseAcceptor());
 		InOrder ordered = inOrder((Object[]) processors);
-		for (ServerRSocketFactoryProcessor processor : processors) {
-			ordered.verify(processor).process(any(RSocketFactory.ServerRSocketFactory.class));
+		for (org.springframework.boot.rsocket.server.ServerRSocketFactoryProcessor processor : processors) {
+			ordered.verify(processor).process(any(io.rsocket.RSocketFactory.ServerRSocketFactory.class));
 		}
 	}
 
@@ -200,6 +198,7 @@ class NettyRSocketServerFactoryTests {
 	static class EchoRequestResponseAcceptor implements SocketAcceptor {
 
 		@Override
+		@SuppressWarnings("deprecation")
 		public Mono<RSocket> accept(ConnectionSetupPayload setupPayload, RSocket rSocket) {
 			return Mono.just(new RSocket() {
 				@Override