Defensively resolve JarFile from JarURLConnection

Closes gh-34216

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

@@ -834,12 +834,18 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 
 		if (con instanceof JarURLConnection jarCon) {
 			// Should usually be the case for traditional JAR files.
+			try {
 				jarFile = jarCon.getJarFile();
 				jarFileUrl = jarCon.getJarFileURL().toExternalForm();
 				JarEntry jarEntry = jarCon.getJarEntry();
 				rootEntryPath = (jarEntry != null ? jarEntry.getName() : "");
 				closeJarFile = !jarCon.getUseCaches();
 			}
+			catch (FileNotFoundException ex) {
+				// Happens in case of cached root directory without specific subdirectory present.
+				return Collections.emptySet();
+			}
+		}
 		else {
 			// No JarURLConnection -> need to resort to URL file parsing.
 			// We'll assume URLs of the format "jar:path!/entry", with the protocol