Polish

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/AutoConfigurationPackages.java

@@ -69,8 +69,6 @@ public abstract class AutoConfigurationPackages {
 	 * @throws IllegalStateException if auto-configuration is not enabled
 	 */
 	public static List<String> get(BeanFactory beanFactory) {
-		// Currently we only store a single base package, but we return a list to
-		// allow this to change in the future if needed
 		try {
 			return beanFactory.getBean(BEAN, BasePackages.class).get();
 		}

spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/JarURLConnection.java

@@ -96,8 +96,8 @@ class JarURLConnection extends java.net.JarURLConnection {
 		if (separatorIndex < 0) {
 			return "";
 		}
-		return file
-				.substring(separatorIndex + SEPARATOR.length() + pathFromRoot.length());
+		int specIndex = separatorIndex + SEPARATOR.length() + pathFromRoot.length();
+		return file.substring(specIndex);
 	}
 
 	private JarFile getNestedJarFile(JarFile jarFile, String name) throws IOException {