Merge branch '1.5.x'

spring-boot-integration-tests/spring-boot-integration-tests-embedded-servlet-container/src/test/java/org/springframework/boot/context/embedded/AbstractApplicationLauncher.java

@@ -34,8 +34,6 @@ import org.springframework.util.FileCopyUtils;
  */
 abstract class AbstractApplicationLauncher extends ExternalResource {
 
-	private final File serverPortFile = new File("target/server.port");
-
 	private final ApplicationBuilder applicationBuilder;
 
 	private Process process;
@@ -62,8 +60,15 @@ abstract class AbstractApplicationLauncher extends ExternalResource {
 
 	protected abstract List<String> getArguments(File archive);
 
+	protected abstract File getWorkingDirectory();
+
+	protected abstract String getDescription(String packaging);
+
 	private Process startApplication() throws Exception {
-		this.serverPortFile.delete();
+		File workingDirectory = getWorkingDirectory();
+		File serverPortFile = workingDirectory == null ? new File("target/server.port")
+				: new File(workingDirectory, "target/server.port");
+		serverPortFile.delete();
 		File archive = this.applicationBuilder.buildApplication();
 		List<String> arguments = new ArrayList<>();
 		arguments.add(System.getProperty("java.home") + "/bin/java");
@@ -72,14 +77,17 @@ abstract class AbstractApplicationLauncher extends ExternalResource {
 				arguments.toArray(new String[arguments.size()]));
 		processBuilder.redirectOutput(Redirect.INHERIT);
 		processBuilder.redirectError(Redirect.INHERIT);
+		if (workingDirectory != null) {
+			processBuilder.directory(workingDirectory);
+		}
 		Process process = processBuilder.start();
-		this.httpPort = awaitServerPort(process);
+		this.httpPort = awaitServerPort(process, serverPortFile);
 		return process;
 	}
 
-	private int awaitServerPort(Process process) throws Exception {
+	private int awaitServerPort(Process process, File serverPortFile) throws Exception {
 		long end = System.currentTimeMillis() + 30000;
-		while (this.serverPortFile.length() == 0) {
+		while (serverPortFile.length() == 0) {
 			if (System.currentTimeMillis() > end) {
 				throw new IllegalStateException(
 						"server.port file was not written within 30 seconds");
@@ -89,8 +97,8 @@ abstract class AbstractApplicationLauncher extends ExternalResource {
 			}
 			Thread.sleep(100);
 		}
-		return Integer.parseInt(
+		return Integer
-				FileCopyUtils.copyToString(new FileReader(this.serverPortFile)));
+				.parseInt(FileCopyUtils.copyToString(new FileReader(serverPortFile)));
 	}
 
 }

spring-boot-integration-tests/spring-boot-integration-tests-embedded-servlet-container/src/test/java/org/springframework/boot/context/embedded/AbstractEmbeddedServletContainerIntegrationTests.java

@@ -47,25 +47,33 @@ public abstract class AbstractEmbeddedServletContainerIntegrationTests {
 
 	protected final RestTemplate rest = new RestTemplate();
 
-	public static Object[] parameters(String packaging) {
+	public static Object[] parameters(String packaging,
+			List<Class<? extends AbstractApplicationLauncher>> applicationLaunchers) {
 		List<Object> parameters = new ArrayList<>();
-		parameters.addAll(createParameters(packaging, "jetty"));
+		parameters.addAll(createParameters(packaging, "jetty", applicationLaunchers));
-		parameters.addAll(createParameters(packaging, "tomcat"));
+		parameters.addAll(createParameters(packaging, "tomcat", applicationLaunchers));
-		parameters.addAll(createParameters(packaging, "undertow"));
+		parameters.addAll(createParameters(packaging, "undertow", applicationLaunchers));
 		return parameters.toArray(new Object[parameters.size()]);
 	}
 
 	private static List<Object> createParameters(String packaging, String container,
-			String... versions) {
+			List<Class<? extends AbstractApplicationLauncher>> applicationLaunchers) {
-		List<Object> parameters = new ArrayList<>();
+		List<Object> parameters = new ArrayList<Object>();
 		ApplicationBuilder applicationBuilder = new ApplicationBuilder(temporaryFolder,
 				packaging, container);
-		parameters.add(new Object[] {
+		for (Class<? extends AbstractApplicationLauncher> launcherClass : applicationLaunchers) {
-				StringUtils.capitalise(container) + " packaged " + packaging,
+			try {
-				new PackagedApplicationLauncher(applicationBuilder) });
+				AbstractApplicationLauncher launcher = launcherClass
-		parameters.add(new Object[] {
+						.getDeclaredConstructor(ApplicationBuilder.class)
-				StringUtils.capitalise(container) + " exploded " + packaging,
+						.newInstance(applicationBuilder);
-				new ExplodedApplicationLauncher(applicationBuilder) });
+				String name = StringUtils.capitalise(container) + ": "
+						+ launcher.getDescription(packaging);
+				parameters.add(new Object[] { name, launcher });
+			}
+			catch (Exception ex) {
+				throw new RuntimeException(ex);
+			}
+		}
 		return parameters;
 	}
 

spring-boot-integration-tests/spring-boot-integration-tests-embedded-servlet-container/src/test/java/org/springframework/boot/context/embedded/BootRunApplicationLauncher.java

@@ -0,0 +1,141 @@
+/*
+ * Copyright 2012-2017 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
+ *
+ *      http://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 org.springframework.boot.context.embedded;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
+
+import org.springframework.util.FileSystemUtils;
+import org.springframework.util.StreamUtils;
+import org.springframework.util.StringUtils;
+
+/**
+ * {@link AbstractApplicationLauncher} that launches a Spring Boot application with a
+ * classpath similar to that used when run with Maven or Gradle.
+ *
+ * @author Andy Wilkinson
+ */
+class BootRunApplicationLauncher extends AbstractApplicationLauncher {
+
+	private final File exploded = new File("target/run");
+
+	BootRunApplicationLauncher(ApplicationBuilder applicationBuilder) {
+		super(applicationBuilder);
+	}
+
+	@Override
+	protected List<String> getArguments(File archive) {
+		try {
+			explodeArchive(archive);
+			deleteLauncherClasses();
+			File targetClasses = populateTargetClasses(archive);
+			File dependencies = populateDependencies(archive);
+			populateSrcMainWebapp();
+			List<String> classpath = new ArrayList<String>();
+			classpath.add(targetClasses.getAbsolutePath());
+			for (File dependency : dependencies.listFiles()) {
+				classpath.add(dependency.getAbsolutePath());
+			}
+			return Arrays.asList("-cp",
+					StringUtils.collectionToDelimitedString(classpath,
+							File.pathSeparator),
+					"com.example.ResourceHandlingApplication");
+		}
+		catch (IOException ex) {
+			throw new RuntimeException(ex);
+		}
+	}
+
+	private void deleteLauncherClasses() {
+		FileSystemUtils.deleteRecursively(new File(this.exploded, "org"));
+	}
+
+	private File populateTargetClasses(File archive) {
+		File targetClasses = new File(this.exploded, "target/classes");
+		targetClasses.mkdirs();
+		new File(this.exploded, getClassesPath(archive)).renameTo(targetClasses);
+		return targetClasses;
+	}
+
+	private File populateDependencies(File archive) {
+		File dependencies = new File(this.exploded, "dependencies");
+		dependencies.mkdirs();
+		List<String> libPaths = getLibPaths(archive);
+		for (String libPath : libPaths) {
+			for (File jar : new File(this.exploded, libPath).listFiles()) {
+				jar.renameTo(new File(dependencies, jar.getName()));
+			}
+		}
+		return dependencies;
+	}
+
+	private void populateSrcMainWebapp() {
+		File srcMainWebapp = new File(this.exploded, "src/main/webapp");
+		srcMainWebapp.mkdirs();
+		new File(this.exploded, "webapp-resource.txt")
+				.renameTo(new File(srcMainWebapp, "webapp-resource.txt"));
+	}
+
+	private String getClassesPath(File archive) {
+		return archive.getName().endsWith(".jar") ? "BOOT-INF/classes"
+				: "WEB-INF/classes";
+	}
+
+	private List<String> getLibPaths(File archive) {
+		return archive.getName().endsWith(".jar")
+				? Collections.singletonList("BOOT-INF/lib")
+				: Arrays.asList("WEB-INF/lib", "WEB-INF/lib-provided");
+	}
+
+	private void explodeArchive(File archive) throws IOException {
+		FileSystemUtils.deleteRecursively(this.exploded);
+		JarFile jarFile = new JarFile(archive);
+		Enumeration<JarEntry> entries = jarFile.entries();
+		while (entries.hasMoreElements()) {
+			JarEntry jarEntry = entries.nextElement();
+			File extracted = new File(this.exploded, jarEntry.getName());
+			if (jarEntry.isDirectory()) {
+				extracted.mkdirs();
+			}
+			else {
+				FileOutputStream extractedOutputStream = new FileOutputStream(extracted);
+				StreamUtils.copy(jarFile.getInputStream(jarEntry), extractedOutputStream);
+				extractedOutputStream.close();
+			}
+		}
+		jarFile.close();
+	}
+
+	@Override
+	protected File getWorkingDirectory() {
+		return this.exploded;
+	}
+
+	@Override
+	protected String getDescription(String packaging) {
+		return "build system run " + packaging + " project";
+	}
+
+}

spring-boot-integration-tests/spring-boot-integration-tests-embedded-servlet-container/src/test/java/org/springframework/boot/context/embedded/EmbeddedServletContainerJarDevelopmentIntegrationTests.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright 2012-2017 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
+ *
+ *      http://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 org.springframework.boot.context.embedded;
+
+import java.util.Arrays;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Integration tests for Spring Boot's embedded servlet container support when developing
+ * a jar application.
+ *
+ * @author Andy Wilkinson
+ */
+@RunWith(Parameterized.class)
+public class EmbeddedServletContainerJarDevelopmentIntegrationTests
+		extends AbstractEmbeddedServletContainerIntegrationTests {
+
+	@Parameters(name = "{0}")
+	public static Object[] parameters() {
+		return AbstractEmbeddedServletContainerIntegrationTests.parameters("jar", Arrays
+				.asList(BootRunApplicationLauncher.class, IdeApplicationLauncher.class));
+	}
+
+	public EmbeddedServletContainerJarDevelopmentIntegrationTests(String name,
+			AbstractApplicationLauncher launcher) {
+		super(name, launcher);
+	}
+
+	@Test
+	public void metaInfResourceFromDependencyIsAvailableViaHttp() throws Exception {
+		ResponseEntity<String> entity = this.rest
+				.getForEntity("/nested-meta-inf-resource.txt", String.class);
+		assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK);
+	}
+
+	@Test
+	public void metaInfResourceFromDependencyIsAvailableViaServletContext()
+			throws Exception {
+		ResponseEntity<String> entity = this.rest
+				.getForEntity("/nested-meta-inf-resource.txt", String.class);
+		assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK);
+	}
+
+}

spring-boot-integration-tests/spring-boot-integration-tests-embedded-servlet-container/src/test/java/org/springframework/boot/context/embedded/EmbeddedServletContainerJarPackagingIntegrationTests.java

@@ -16,6 +16,8 @@
 
 package org.springframework.boot.context.embedded;
 
+import java.util.Arrays;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
@@ -38,7 +40,9 @@ public class EmbeddedServletContainerJarPackagingIntegrationTests
 
 	@Parameters(name = "{0}")
 	public static Object[] parameters() {
-		return AbstractEmbeddedServletContainerIntegrationTests.parameters("jar");
+		return AbstractEmbeddedServletContainerIntegrationTests.parameters("jar",
+				Arrays.asList(PackagedApplicationLauncher.class,
+						ExplodedApplicationLauncher.class));
 	}
 
 	public EmbeddedServletContainerJarPackagingIntegrationTests(String name,

spring-boot-integration-tests/spring-boot-integration-tests-embedded-servlet-container/src/test/java/org/springframework/boot/context/embedded/EmbeddedServletContainerWarDevelopmentIntegrationTests.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright 2012-2017 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
+ *
+ *      http://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 org.springframework.boot.context.embedded;
+
+import java.util.Arrays;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Integration tests for Spring Boot's embedded servlet container support when developing
+ * a war application.
+ *
+ * @author Andy Wilkinson
+ */
+@RunWith(Parameterized.class)
+public class EmbeddedServletContainerWarDevelopmentIntegrationTests
+		extends AbstractEmbeddedServletContainerIntegrationTests {
+
+	@Parameters(name = "{0}")
+	public static Object[] parameters() {
+		return AbstractEmbeddedServletContainerIntegrationTests.parameters("war", Arrays
+				.asList(BootRunApplicationLauncher.class, IdeApplicationLauncher.class));
+	}
+
+	public EmbeddedServletContainerWarDevelopmentIntegrationTests(String name,
+			AbstractApplicationLauncher launcher) {
+		super(name, launcher);
+	}
+
+	@Test
+	public void metaInfResourceFromDependencyIsAvailableViaHttp() throws Exception {
+		ResponseEntity<String> entity = this.rest
+				.getForEntity("/nested-meta-inf-resource.txt", String.class);
+		assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK);
+	}
+
+	@Test
+	public void metaInfResourceFromDependencyIsAvailableViaServletContext()
+			throws Exception {
+		ResponseEntity<String> entity = this.rest
+				.getForEntity("/nested-meta-inf-resource.txt", String.class);
+		assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK);
+	}
+
+	@Test
+	public void webappResourcesAreAvailableViaHttp() throws Exception {
+		ResponseEntity<String> entity = this.rest.getForEntity("/webapp-resource.txt",
+				String.class);
+		assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK);
+	}
+
+}

spring-boot-integration-tests/spring-boot-integration-tests-embedded-servlet-container/src/test/java/org/springframework/boot/context/embedded/EmbeddedServletContainerWarPackagingIntegrationTests.java

@@ -16,6 +16,8 @@
 
 package org.springframework.boot.context.embedded;
 
+import java.util.Arrays;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
@@ -38,7 +40,9 @@ public class EmbeddedServletContainerWarPackagingIntegrationTests
 
 	@Parameters(name = "{0}")
 	public static Object[] parameters() {
-		return AbstractEmbeddedServletContainerIntegrationTests.parameters("war");
+		return AbstractEmbeddedServletContainerIntegrationTests.parameters("war",
+				Arrays.asList(PackagedApplicationLauncher.class,
+						ExplodedApplicationLauncher.class));
 	}
 
 	public EmbeddedServletContainerWarPackagingIntegrationTests(String name,

spring-boot-integration-tests/spring-boot-integration-tests-embedded-servlet-container/src/test/java/org/springframework/boot/context/embedded/ExplodedApplicationLauncher.java

@@ -29,8 +29,8 @@ import org.springframework.util.FileSystemUtils;
 import org.springframework.util.StreamUtils;
 
 /**
- * {@link AbstractApplicationLauncher} that launches an exploded Spring Boot application
+ * {@link AbstractApplicationLauncher} that launches a Spring Boot application using
- * using Spring Boot's Jar or War launcher.
+ * {@code JarLauncher} or {@code WarLauncher} and an exploded archive.
  *
  * @author Andy Wilkinson
  */
@@ -42,6 +42,16 @@ class ExplodedApplicationLauncher extends AbstractApplicationLauncher {
 		super(applicationBuilder);
 	}
 
+	@Override
+	protected File getWorkingDirectory() {
+		return this.exploded;
+	}
+
+	@Override
+	protected String getDescription(String packaging) {
+		return "exploded " + packaging;
+	}
+
 	@Override
 	protected List<String> getArguments(File archive) {
 		String mainClass = archive.getName().endsWith(".war")

spring-boot-integration-tests/spring-boot-integration-tests-embedded-servlet-container/src/test/java/org/springframework/boot/context/embedded/IdeApplicationLauncher.java

@@ -0,0 +1,152 @@
+/*
+ * Copyright 2012-2017 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
+ *
+ *      http://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 org.springframework.boot.context.embedded;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
+
+import org.springframework.util.FileSystemUtils;
+import org.springframework.util.StreamUtils;
+import org.springframework.util.StringUtils;
+
+/**
+ * {@link AbstractApplicationLauncher} that launches a Spring Boot application with a
+ * classpath similar to that used when run in an IDE.
+ *
+ * @author Andy Wilkinson
+ */
+class IdeApplicationLauncher extends AbstractApplicationLauncher {
+
+	private final File exploded = new File("target/ide");
+
+	IdeApplicationLauncher(ApplicationBuilder applicationBuilder) {
+		super(applicationBuilder);
+	}
+
+	@Override
+	protected File getWorkingDirectory() {
+		return this.exploded;
+	}
+
+	@Override
+	protected String getDescription(String packaging) {
+		return "IDE run " + packaging + " project";
+	}
+
+	@Override
+	protected List<String> getArguments(File archive) {
+		try {
+			explodeArchive(archive, this.exploded);
+			deleteLauncherClasses();
+			File targetClasses = populateTargetClasses(archive);
+			File dependencies = populateDependencies(archive);
+			File resourcesProject = explodedResourcesProject(dependencies);
+			populateSrcMainWebapp();
+			List<String> classpath = new ArrayList<String>();
+			classpath.add(targetClasses.getAbsolutePath());
+			for (File dependency : dependencies.listFiles()) {
+				classpath.add(dependency.getAbsolutePath());
+			}
+			classpath.add(resourcesProject.getAbsolutePath());
+			return Arrays.asList("-cp",
+					StringUtils.collectionToDelimitedString(classpath,
+							File.pathSeparator),
+					"com.example.ResourceHandlingApplication");
+		}
+		catch (IOException ex) {
+			throw new RuntimeException(ex);
+		}
+	}
+
+	private File populateTargetClasses(File archive) {
+		File targetClasses = new File(this.exploded, "target/classes");
+		targetClasses.mkdirs();
+		new File(this.exploded, getClassesPath(archive)).renameTo(targetClasses);
+		return targetClasses;
+	}
+
+	private File populateDependencies(File archive) {
+		File dependencies = new File(this.exploded, "dependencies");
+		dependencies.mkdirs();
+		List<String> libPaths = getLibPaths(archive);
+		for (String libPath : libPaths) {
+			for (File jar : new File(this.exploded, libPath).listFiles()) {
+				jar.renameTo(new File(dependencies, jar.getName()));
+			}
+		}
+		return dependencies;
+	}
+
+	private File explodedResourcesProject(File dependencies) throws IOException {
+		File resourcesProject = new File(this.exploded,
+				"resources-project/target/classes");
+		File resourcesJar = new File(dependencies, "resources-1.0.jar");
+		explodeArchive(resourcesJar, resourcesProject);
+		resourcesJar.delete();
+		return resourcesProject;
+	}
+
+	private void populateSrcMainWebapp() {
+		File srcMainWebapp = new File(this.exploded, "src/main/webapp");
+		srcMainWebapp.mkdirs();
+		new File(this.exploded, "webapp-resource.txt")
+				.renameTo(new File(srcMainWebapp, "webapp-resource.txt"));
+	}
+
+	private void deleteLauncherClasses() {
+		FileSystemUtils.deleteRecursively(new File(this.exploded, "org"));
+	}
+
+	private String getClassesPath(File archive) {
+		return archive.getName().endsWith(".jar") ? "BOOT-INF/classes"
+				: "WEB-INF/classes";
+	}
+
+	private List<String> getLibPaths(File archive) {
+		return archive.getName().endsWith(".jar")
+				? Collections.singletonList("BOOT-INF/lib")
+				: Arrays.asList("WEB-INF/lib", "WEB-INF/lib-provided");
+	}
+
+	private void explodeArchive(File archive, File destination) throws IOException {
+		FileSystemUtils.deleteRecursively(destination);
+		JarFile jarFile = new JarFile(archive);
+		Enumeration<JarEntry> entries = jarFile.entries();
+		while (entries.hasMoreElements()) {
+			JarEntry jarEntry = entries.nextElement();
+			File extracted = new File(destination, jarEntry.getName());
+			if (jarEntry.isDirectory()) {
+				extracted.mkdirs();
+			}
+			else {
+				FileOutputStream extractedOutputStream = new FileOutputStream(extracted);
+				StreamUtils.copy(jarFile.getInputStream(jarEntry), extractedOutputStream);
+				extractedOutputStream.close();
+			}
+		}
+		jarFile.close();
+	}
+
+}

spring-boot-integration-tests/spring-boot-integration-tests-embedded-servlet-container/src/test/java/org/springframework/boot/context/embedded/PackagedApplicationLauncher.java

@@ -32,6 +32,16 @@ class PackagedApplicationLauncher extends AbstractApplicationLauncher {
 		super(applicationBuilder);
 	}
 
+	@Override
+	protected File getWorkingDirectory() {
+		return null;
+	}
+
+	@Override
+	protected String getDescription(String packaging) {
+		return "packaged " + packaging;
+	}
+
 	@Override
 	protected List<String> getArguments(File archive) {
 		return Arrays.asList("-jar", archive.getAbsolutePath());

spring-boot/src/main/java/org/springframework/boot/context/embedded/AbstractEmbeddedServletContainerFactory.java

@@ -96,15 +96,23 @@ public abstract class AbstractEmbeddedServletContainerFactory
 		if (classLoader instanceof URLClassLoader) {
 			for (URL url : ((URLClassLoader) classLoader).getURLs()) {
 				try {
-					URLConnection connection = url.openConnection();
+					if ("file".equals(url.getProtocol())) {
-					if (connection instanceof JarURLConnection) {
+						File file = new File(url.getFile());
-						JarURLConnection jarConnection = (JarURLConnection) connection;
+						if (file.isDirectory()
-						JarFile jar = jarConnection.getJarFile();
+								&& new File(file, "META-INF/resources").isDirectory()) {
-						if (jar.getName().endsWith(".jar")
-								&& jar.getJarEntry("META-INF/resources") != null) {
 							staticResourceUrls.add(url);
 						}
-						jar.close();
+						else if (isResourcesJar(file)) {
+							staticResourceUrls.add(url);
+						}
+					}
+					else {
+						URLConnection connection = url.openConnection();
+						if (connection instanceof JarURLConnection) {
+							if (isResourcesJar((JarURLConnection) connection)) {
+								staticResourceUrls.add(url);
+							}
+						}
 					}
 				}
 				catch (IOException ex) {
@@ -115,6 +123,34 @@ public abstract class AbstractEmbeddedServletContainerFactory
 		return staticResourceUrls;
 	}
 
+	private boolean isResourcesJar(JarURLConnection connection) {
+		try {
+			return isResourcesJar(connection.getJarFile());
+		}
+		catch (IOException ex) {
+			return false;
+		}
+	}
+
+	private boolean isResourcesJar(File file) {
+		try {
+			return isResourcesJar(new JarFile(file));
+		}
+		catch (IOException ex) {
+			return false;
+		}
+	}
+
+	private boolean isResourcesJar(JarFile jar) throws IOException {
+		try {
+			return jar.getName().endsWith(".jar")
+					&& (jar.getJarEntry("META-INF/resources") != null);
+		}
+		finally {
+			jar.close();
+		}
+	}
+
 	File getExplodedWarFileDocumentRoot(File codeSourceFile) {
 		if (this.logger.isDebugEnabled()) {
 			this.logger.debug("Code archive: " + codeSourceFile);

spring-boot/src/main/java/org/springframework/boot/context/embedded/jetty/JettyEmbeddedServletContainerFactory.java

@@ -392,8 +392,7 @@ public class JettyEmbeddedServletContainerFactory
 					root.isDirectory() ? Resource.newResource(root.getCanonicalFile())
 							: JarResource.newJarResource(Resource.newResource(root)));
 			for (URL resourceJarUrl : this.getUrlsOfJarsWithMetaInfResources()) {
-				Resource resource = Resource
+				Resource resource = createResource(resourceJarUrl);
-						.newResource(resourceJarUrl + "META-INF/resources");
 				// Jetty 9.2 and earlier do not support nested jars. See
 				// https://github.com/eclipse/jetty.project/issues/518
 				if (resource.exists() && resource.isDirectory()) {
@@ -408,6 +407,16 @@ public class JettyEmbeddedServletContainerFactory
 		}
 	}
 
+	private Resource createResource(URL url) throws IOException {
+		if ("file".equals(url.getProtocol())) {
+			File file = new File(url.getFile());
+			if (file.isFile()) {
+				return Resource.newResource("jar:" + url + "!/META-INF/resources");
+			}
+		}
+		return Resource.newResource(url + "META-INF/resources");
+	}
+
 	/**
 	 * Add Jetty's {@code DefaultServlet} to the given {@link WebAppContext}.
 	 * @param context the jetty {@link WebAppContext}

spring-boot/src/main/java/org/springframework/boot/context/embedded/tomcat/TomcatEmbeddedServletContainerFactory.java

@@ -840,20 +840,23 @@ public class TomcatEmbeddedServletContainerFactory
 						// A jar file in the file system. Convert to Jar URL.
 						jar = "jar:" + jar + "!/";
 					}
-					addJar(jar);
+					addResourceSet(jar);
+				}
+				else {
+					addResourceSet(url.toString());
 				}
 			}
 		}
 
-		private void addJar(String jar) {
+		private void addResourceSet(String resource) {
 			try {
-				if (isInsideNestedJar(jar)) {
+				if (isInsideNestedJar(resource)) {
 					// It's a nested jar but we now don't want the suffix because Tomcat
 					// is going to try and locate it as a root URL (not the resource
 					// inside it)
-					jar = jar.substring(0, jar.length() - 2);
+					resource = resource.substring(0, resource.length() - 2);
 				}
-				URL url = new URL(jar);
+				URL url = new URL(resource);
 				String path = "/META-INF/resources";
 				this.context.getResources().createWebResourceSet(
 						ResourceSetType.RESOURCE_JAR, "/", url, path);

spring-boot/src/main/java/org/springframework/boot/context/embedded/tomcat/TomcatResources.java

@@ -0,0 +1,196 @@
+/*
+ * Copyright 2012-2017 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
+ *
+ *      http://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 org.springframework.boot.context.embedded.tomcat;
+
+import java.lang.reflect.Method;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.List;
+
+import javax.naming.directory.DirContext;
+
+import org.apache.catalina.Context;
+import org.apache.catalina.WebResourceRoot.ResourceSetType;
+import org.apache.catalina.core.StandardContext;
+
+import org.springframework.util.ClassUtils;
+import org.springframework.util.ReflectionUtils;
+
+/**
+ * Abstraction to add resources that works with both Tomcat 8 and 7.
+ *
+ * @author Dave Syer
+ * @author Phillip Webb
+ * @author Andy Wilkinson
+ */
+abstract class TomcatResources {
+
+	private final Context context;
+
+	TomcatResources(Context context) {
+		this.context = context;
+	}
+
+	void addResourceJars(List<URL> resourceJarUrls) {
+		for (URL url : resourceJarUrls) {
+			String file = url.getFile();
+			if (file.endsWith(".jar") || file.endsWith(".jar!/")) {
+				String jar = url.toString();
+				if (!jar.startsWith("jar:")) {
+					// A jar file in the file system. Convert to Jar URL.
+					jar = "jar:" + jar + "!/";
+				}
+				addJar(jar);
+			}
+			else {
+				addDir(file, url);
+			}
+		}
+	}
+
+	protected final Context getContext() {
+		return this.context;
+	}
+
+	/**
+	 * Called to add a JAR to the resources.
+	 * @param jar the URL spec for the jar
+	 */
+	protected abstract void addJar(String jar);
+
+	/**
+	 * Called to add a dir to the resource.
+	 * @param dir the dir
+	 * @param url the URL
+	 */
+	protected abstract void addDir(String dir, URL url);
+
+	/**
+	 * Return a {@link TomcatResources} instance for the currently running Tomcat version.
+	 * @param context the tomcat context
+	 * @return a {@link TomcatResources} instance.
+	 */
+	public static TomcatResources get(Context context) {
+		if (ClassUtils.isPresent("org.apache.catalina.deploy.ErrorPage", null)) {
+			return new Tomcat7Resources(context);
+		}
+		return new Tomcat8Resources(context);
+	}
+
+	/**
+	 * {@link TomcatResources} for Tomcat 7.
+	 */
+	private static class Tomcat7Resources extends TomcatResources {
+
+		private final Method addResourceJarUrlMethod;
+
+		Tomcat7Resources(Context context) {
+			super(context);
+			this.addResourceJarUrlMethod = ReflectionUtils.findMethod(context.getClass(),
+					"addResourceJarUrl", URL.class);
+		}
+
+		@Override
+		protected void addJar(String jar) {
+			URL url = getJarUrl(jar);
+			if (url != null) {
+				try {
+					this.addResourceJarUrlMethod.invoke(getContext(), url);
+				}
+				catch (Exception ex) {
+					throw new IllegalStateException(ex);
+				}
+			}
+		}
+
+		private URL getJarUrl(String jar) {
+			try {
+				return new URL(jar);
+			}
+			catch (MalformedURLException ex) {
+				// Ignore
+				return null;
+			}
+		}
+
+		@Override
+		protected void addDir(String dir, URL url) {
+			if (getContext() instanceof StandardContext) {
+				try {
+					Class<?> fileDirContextClass = Class
+							.forName("org.apache.naming.resources.FileDirContext");
+					Method setDocBaseMethod = ReflectionUtils
+							.findMethod(fileDirContextClass, "setDocBase", String.class);
+					Object fileDirContext = fileDirContextClass.newInstance();
+					setDocBaseMethod.invoke(fileDirContext, dir);
+					Method addResourcesDirContextMethod = ReflectionUtils.findMethod(
+							StandardContext.class, "addResourcesDirContext",
+							DirContext.class);
+					addResourcesDirContextMethod.invoke(getContext(), fileDirContext);
+				}
+				catch (Exception ex) {
+					throw new IllegalStateException("Tomcat 7 reflection failed", ex);
+				}
+			}
+		}
+
+	}
+
+	/**
+	 * {@link TomcatResources} for Tomcat 8.
+	 */
+	static class Tomcat8Resources extends TomcatResources {
+
+		Tomcat8Resources(Context context) {
+			super(context);
+		}
+
+		@Override
+		protected void addJar(String jar) {
+			addResourceSet(jar);
+		}
+
+		@Override
+		protected void addDir(String dir, URL url) {
+			addResourceSet(url.toString());
+		}
+
+		private void addResourceSet(String resource) {
+			try {
+				if (isInsideNestedJar(resource)) {
+					// It's a nested jar but we now don't want the suffix because Tomcat
+					// is going to try and locate it as a root URL (not the resource
+					// inside it)
+					resource = resource.substring(0, resource.length() - 2);
+				}
+				URL url = new URL(resource);
+				String path = "/META-INF/resources";
+				getContext().getResources().createWebResourceSet(
+						ResourceSetType.RESOURCE_JAR, "/", url, path);
+			}
+			catch (Exception ex) {
+				// Ignore (probably not a directory)
+			}
+		}
+
+		private boolean isInsideNestedJar(String dir) {
+			return dir.indexOf("!/") < dir.lastIndexOf("!/");
+		}
+
+	}
+
+}

spring-boot/src/main/java/org/springframework/boot/context/embedded/undertow/UndertowEmbeddedServletContainerFactory.java

@@ -18,6 +18,7 @@ package org.springframework.boot.context.embedded.undertow;
 
 import java.io.File;
 import java.io.IOException;
+import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLConnection;
 import java.nio.charset.Charset;
@@ -464,11 +465,35 @@ public class UndertowEmbeddedServletContainerFactory
 
 	private ResourceManager getDocumentRootResourceManager() {
 		File root = getCanonicalDocumentRoot();
-		List<URL> metaInfResourceJarUrls = getUrlsOfJarsWithMetaInfResources();
+		List<URL> metaInfResourceUrls = getUrlsOfJarsWithMetaInfResources();
+		List<URL> resourceJarUrls = new ArrayList<URL>();
+		List<ResourceManager> resourceManagers = new ArrayList<ResourceManager>();
 		ResourceManager rootResourceManager = root.isDirectory()
 				? new FileResourceManager(root, 0) : new JarResourceManager(root);
-		return new CompositeResourceManager(rootResourceManager,
+		resourceManagers.add(rootResourceManager);
-				new MetaInfResourcesResourceManager(metaInfResourceJarUrls));
+		for (URL url : metaInfResourceUrls) {
+			if ("file".equals(url.getProtocol())) {
+				File file = new File(url.getFile());
+				if (file.isFile()) {
+					try {
+						resourceJarUrls.add(new URL("jar:" + url + "!/"));
+					}
+					catch (MalformedURLException ex) {
+						throw new RuntimeException(ex);
+					}
+				}
+				else {
+					resourceManagers.add(new FileResourceManager(
+							new File(file, "META-INF/resources"), 0));
+				}
+			}
+			else {
+				resourceJarUrls.add(url);
+			}
+		}
+		resourceManagers.add(new MetaInfResourcesResourceManager(resourceJarUrls));
+		return new CompositeResourceManager(
+				resourceManagers.toArray(new ResourceManager[resourceManagers.size()]));
 	}
 
 	/**
@@ -618,12 +643,17 @@ public class UndertowEmbeddedServletContainerFactory
 		}
 
 		@Override
-		public Resource getResource(String path) throws IOException {
+		public Resource getResource(String path) {
 			for (URL url : this.metaInfResourceJarUrls) {
-				URL resourceUrl = new URL(url + "META-INF/resources" + path);
+				try {
-				URLConnection connection = resourceUrl.openConnection();
+					URL resourceUrl = new URL(url + "META-INF/resources" + path);
-				if (connection.getContentLength() >= 0) {
+					URLConnection connection = resourceUrl.openConnection();
-					return new URLResource(resourceUrl, connection, path);
+					if (connection.getContentLength() >= 0) {
+						return new URLResource(resourceUrl, connection, path);
+					}
+				}
+				catch (IOException ex) {
+					// Continue
 				}
 			}
 			return null;