Polishing

spring-core/src/main/java/org/springframework/core/io/support/PathMatchingResourcePatternResolver.java

@@ -617,10 +617,12 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 	private Set<ClassPathManifestEntry> getClassPathManifestEntriesFromJar(File jar) throws IOException {
 		URL base = jar.toURI().toURL();
 		File parent = jar.getAbsoluteFile().getParentFile();
+
 		try (JarFile jarFile = new JarFile(jar)) {
 			Manifest manifest = jarFile.getManifest();
 			Attributes attributes = (manifest != null ? manifest.getMainAttributes() : null);
 			String classPath = (attributes != null ? attributes.getValue(Name.CLASS_PATH) : null);
+
 			Set<ClassPathManifestEntry> manifestEntries = new LinkedHashSet<>();
 			if (StringUtils.hasLength(classPath)) {
 				StringTokenizer tokenizer = new StringTokenizer(classPath);
@@ -631,14 +633,14 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 						continue;
 					}
 
-					// Handle absolute paths correctly - don't use parent for absolute paths
+					// Handle absolute paths correctly: do not apply parent to absolute paths.
 					File pathFile = new File(path);
-					File candidate = pathFile.isAbsolute() ? pathFile : new File(parent, path);
+					File candidate = (pathFile.isAbsolute() ? pathFile : new File(parent, path));
 
-					// For relative paths, enforce security check (must be under parent)
+					// For relative paths, enforce security check: must be under parent.
-					// For absolute paths, just verify file exists (matching JVM behavior)
+					// For absolute paths, just verify file exists (matching JVM behavior).
-					if (candidate.isFile() &&
+					if (candidate.isFile() && (pathFile.isAbsolute() ||
-							(pathFile.isAbsolute() || candidate.getCanonicalPath().contains(parent.getCanonicalPath()))) {
+							candidate.getCanonicalPath().contains(parent.getCanonicalPath()))) {
 						manifestEntries.add(ClassPathManifestEntry.of(candidate, this.useCaches));
 					}
 				}