Fixed RarHandler - non-absolute URL to File conversion

- As the Archive#getURI says, the method can return nearly anything and there
  no guarantee that the URI can be converted to a File.
- Sometimes it is an absolute file, sometimes relative path, sometimes URI
  pointing to a file inside jar inside ear.
- This minimalistic fix avoids an exception, similar is on other places.

Signed-off-by: David Matějček <david.matejcek@omnifish.ee>

appserver/connectors/connectors-runtime/src/main/java/com/sun/enterprise/connectors/module/RarHandler.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, 2023 Contributors to the Eclipse Foundation
+ * Copyright (c) 2022, 2024 Contributors to the Eclipse Foundation
  * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -150,7 +150,7 @@ private boolean isEmbedded(DeploymentContext context) {
     public List<URI> getClassPathURIs(ReadableArchive archive) {
         List<URI> uris = super.getClassPathURIs(archive);
         try {
-            File archiveFile = new File(archive.getURI());
+            File archiveFile = toFile(archive.getURI());
             if (archiveFile.exists() && archiveFile.isDirectory()) {
                 // add top level jars
                 uris.addAll(ASClassLoaderUtil.getLibDirectoryJarURIs(archiveFile));
@@ -160,4 +160,13 @@ public List<URI> getClassPathURIs(ReadableArchive archive) {
         }
         return uris;
     }
+
+
+    private static File toFile(URI uri) {
+        try {
+            return new File(uri.getSchemeSpecificPart());
+        } catch (IllegalArgumentException e) {
+            throw new IllegalArgumentException("Cannot convert URI to file: " + uri, e);
+        }
+    }
 }