src/java.base/share/classes/jdk/internal/loader/URLClassPath.java

*** 697,707 ****
      }
  
      /*
       * Nested class used to represent a Loader of resources from a JAR URL.
       */
!     static class JarLoader extends Loader {
          private JarFile jar;
          private final URL csu;
          private JarIndex index;
          private URLStreamHandler handler;
          private final HashMap<String, Loader> lmap;
--- 697,707 ----
      }
  
      /*
       * Nested class used to represent a Loader of resources from a JAR URL.
       */
!     private static class JarLoader extends Loader {
          private JarFile jar;
          private final URL csu;
          private JarIndex index;
          private URLStreamHandler handler;
          private final HashMap<String, Loader> lmap;
*** 712,722 ****
  
          /*
           * Creates a new JarLoader for the specified URL referring to
           * a JAR file.
           */
!         JarLoader(URL url, URLStreamHandler jarHandler,
                    HashMap<String, Loader> loaderMap,
                    AccessControlContext acc)
              throws IOException
          {
              super(new URL("jar", "", -1, url + "!/", jarHandler));
--- 712,722 ----
  
          /*
           * Creates a new JarLoader for the specified URL referring to
           * a JAR file.
           */
!         private JarLoader(URL url, URLStreamHandler jarHandler,
                            HashMap<String, Loader> loaderMap,
                            AccessControlContext acc)
              throws IOException
          {
              super(new URL("jar", "", -1, url + "!/", jarHandler));
*** 1191,1205 ****
       */
      private static class FileLoader extends Loader {
          /* Canonicalized File */
          private File dir;
  
!         FileLoader(URL url) throws IOException {
              super(url);
-             if (!"file".equals(url.getProtocol())) {
-                 throw new IllegalArgumentException("url");
-             }
              String path = url.getFile().replace('/', File.separatorChar);
              path = ParseUtil.decode(path);
              dir = (new File(path)).getCanonicalFile();
          }
  
--- 1191,1205 ----
       */
      private static class FileLoader extends Loader {
          /* Canonicalized File */
          private File dir;
  
!         /*
!          * Creates a new FileLoader for the specified URL with a file protocol.
!          */
!         private FileLoader(URL url) throws IOException {
              super(url);
              String path = url.getFile().replace('/', File.separatorChar);
              path = ParseUtil.decode(path);
              dir = (new File(path)).getCanonicalFile();
          }