Merge branch '2.3.x'

Closes gh-23241

Author: wilkinsona

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

@@ -80,9 +80,7 @@ protected ClassLoader createClassLoader(List<Archive> archives) throws Exception
 	protected ClassLoader createClassLoader(Iterator<Archive> archives) throws Exception {
 		List<URL> urls = new ArrayList<>(50);
 		while (archives.hasNext()) {
-			Archive archive = archives.next();
-			urls.add(archive.getUrl());
-			archive.close();
+			urls.add(archives.next().getUrl());
 		}
 		return createClassLoader(urls.toArray(new URL[0]));
 	}

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

@@ -233,12 +233,13 @@ void testUserSpecifiedJarFileWithNestedArchives() throws Exception {
 
 	@Test
 	void testUserSpecifiedNestedJarPath() throws Exception {
-		System.setProperty("loader.path", "nested-jars/app.jar!/foo.jar");
+		System.setProperty("loader.path", "nested-jars/nested-jar-app.jar!/BOOT-INF/classes/");
 		System.setProperty("loader.main", "demo.Application");
 		this.launcher = new PropertiesLauncher();
-		List<Archive> archives = new ArrayList<>();
-		this.launcher.getClassPathArchivesIterator().forEachRemaining(archives::add);
-		assertThat(archives).hasSize(1).areExactly(1, endingWith("foo.jar!/"));
+		assertThat(ReflectionTestUtils.getField(this.launcher, "paths").toString())
+				.isEqualTo("[nested-jars/nested-jar-app.jar!/BOOT-INF/classes/]");
+		this.launcher.launch(new String[0]);
+		waitFor("Hello World");
 	}
 
 	@Test