Merge branch '2.1.x'

Closes gh-17628

spring-boot-tests/spring-boot-integration-tests/spring-boot-server-tests/pom.xml

@@ -45,6 +45,17 @@
 			<version>3.0.0</version>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.eclipse.jetty</groupId>
+			<artifactId>jetty-webapp</artifactId>
+			<scope>test</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>javax.servlet</groupId>
+					<artifactId>javax.servlet-api</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-web</artifactId>

spring-boot-tests/spring-boot-integration-tests/spring-boot-server-tests/src/test/java/com/example/JettyServerCustomizerConfig.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2012-2019 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example;
+
+import org.eclipse.jetty.server.handler.ContextHandler;
+
+import org.springframework.boot.web.embedded.jetty.JettyServerCustomizer;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * {@link JettyServerCustomizer} that approves all aliases (Used for Windows CI on
+ * Concourse).
+ *
+ * @author Madhura Bhave
+ */
+@Configuration
+public class JettyServerCustomizerConfig {
+
+	@Bean
+	public JettyServerCustomizer jettyServerCustomizer() {
+		return (server) -> {
+			ContextHandler handler = (ContextHandler) server.getHandler();
+			handler.addAliasCheck(new ContextHandler.ApproveAliases());
+		};
+	}
+
+}

spring-boot-tests/spring-boot-integration-tests/spring-boot-server-tests/src/test/java/org/springframework/boot/context/embedded/ApplicationBuilder.java

@@ -134,6 +134,12 @@ class ApplicationBuilder {
 		examplePackage.mkdirs();
 		FileCopyUtils.copy(new File("src/test/java/com/example/ResourceHandlingApplication.java"),
 				new File(examplePackage, "ResourceHandlingApplication.java"));
+		// To allow aliased resources on Concourse Windows CI (See gh-15553) to be served
+		// as static resources.
+		if (this.container.equals("jetty")) {
+			FileCopyUtils.copy(new File("src/test/java/com/example/JettyServerCustomizerConfig.java"),
+					new File(examplePackage, "JettyServerCustomizerConfig.java"));
+		}
 		if ("war".equals(this.packaging)) {
 			File srcMainWebapp = new File(appFolder, "src/main/webapp");
 			srcMainWebapp.mkdirs();

spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-jetty-jsp/src/test/java/smoketest/jetty/jsp/SampleWebJspApplicationTests.java

@@ -16,12 +16,16 @@
 
 package smoketest.jetty.jsp;
 
-import org.junit.jupiter.api.Test;
+import org.eclipse.jetty.server.handler.ContextHandler;
+import org.junit.Test;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
 import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.boot.web.embedded.jetty.JettyServerCustomizer;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 
@@ -32,7 +36,8 @@ import static org.assertj.core.api.Assertions.assertThat;
  *
  * @author Phillip Webb
  */
-@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
+@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT,
+		classes = { SampleWebJspApplicationTests.JettyCustomizerConfig.class, SampleJettyJspApplication.class })
 class SampleWebJspApplicationTests {
 
 	@Autowired
@@ -45,4 +50,19 @@ class SampleWebJspApplicationTests {
 		assertThat(entity.getBody()).contains("/resources/text.txt");
 	}
 
+	@Configuration(proxyBeanMethods = false)
+	static class JettyCustomizerConfig {
+
+		// To allow aliased resources on Concourse Windows CI (See gh-15553) to be served
+		// as static resources.
+		@Bean
+		JettyServerCustomizer jettyServerCustomizer() {
+			return (server) -> {
+				ContextHandler handler = (ContextHandler) server.getHandler();
+				handler.addAliasCheck(new ContextHandler.ApproveAliases());
+			};
+		}
+
+	}
+
 }