diff --git a/native/java/org/jpype/classloader/DynamicClassLoader.java b/native/java/org/jpype/classloader/DynamicClassLoader.java
index 9687e3316..2192391e9 100644
--- a/native/java/org/jpype/classloader/DynamicClassLoader.java
+++ b/native/java/org/jpype/classloader/DynamicClassLoader.java
@@ -1,11 +1,11 @@
 package org.jpype.classloader;
 
 import java.io.ByteArrayOutputStream;
-import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.MalformedURLException;
+import java.net.URI;
 import java.net.URL;
 import java.net.URLClassLoader;
 import java.net.URLConnection;
@@ -14,7 +14,6 @@
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.PathMatcher;
-import java.nio.file.Paths;
 import java.nio.file.SimpleFileVisitor;
 import java.nio.file.attribute.BasicFileAttributes;
 import java.util.ArrayList;
@@ -26,8 +25,6 @@
 import java.util.Set;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 
 public class DynamicClassLoader extends ClassLoader
 {
@@ -207,17 +204,17 @@ public void scanJar(Path p1)
     try ( JarFile jf = new JarFile(p1.toFile()))
     {
       Enumeration<JarEntry> entries = jf.entries();
-      Path abs = p1.toAbsolutePath();
+      URI abs = p1.toAbsolutePath().toUri();
       Set urls = new java.util.HashSet();
       while (entries.hasMoreElements())
       {
         JarEntry next = entries.nextElement();
         String name = next.getName();
-        
+
         // Skip over META-INF
         if (name.startsWith("META-INF/"))
           continue;
-      
+
         if (next.isDirectory())
         {
           // If we find a directory entry then the jar has directories already
@@ -232,7 +229,7 @@ public void scanJar(Path p1)
           if (i == -1)
             break;
           String name2 = name.substring(0, i);
-          
+
           i++;
 
           // Already have an entry no problem
@@ -240,7 +237,7 @@ public void scanJar(Path p1)
             continue;
 
           // Add a new entry for the missing directory
-          String jar = "jar:file:" + abs + "!/" + name2 + "/";
+          String jar = "jar:" + abs + "!/" + name2 + "/";
           urls.add(name2);
           this.addResource(name2, new URL(jar));
         }