2 files changed, 41 insertions, 18 deletions
diff --git a/src/java/com/jogamp/common/util/IOUtil.java b/src/java/com/jogamp/common/util/IOUtil.java
index 6b9eef8..5918213 100644
--- a/src/java/com/jogamp/common/util/IOUtil.java
+++ b/src/java/com/jogamp/common/util/IOUtil.java
@@ -513,22 +513,40 @@ public class IOUtil {
      * @throws URISyntaxException
      */
     public static URL toURL(URI uri) throws IOException, IllegalArgumentException, URISyntaxException {
-        final URL url;
+        URL url = null;
         final String uriSchema = uri.getScheme();
         final boolean isJAR = IOUtil.JAR_SCHEME.equals(uriSchema);
-        final URI specificURI = isJAR ? JarUtil.getJarSubURI(uri) : uri; 
+        final URI specificURI = isJAR ? JarUtil.getJarSubURI(uri) : uri;
+        int mode = 0;
         if( IOUtil.FILE_SCHEME.equals( specificURI.getScheme() ) ) {
-            final File f = new File(specificURI);
-            if( specificURI == uri ) {
-                url = new URL(IOUtil.FILE_SCHEME+IOUtil.SCHEME_SEPARATOR+f.getPath());
-                // url = f.toURI().toURL(); // Doesn't work, since it uses encoded path!
-            } else {
-                final String post = isJAR ? IOUtil.JAR_SCHEME_SEPARATOR + JarUtil.getJarEntry(uri) : "";
-                final String urlS = uriSchema+IOUtil.SCHEME_SEPARATOR+IOUtil.FILE_SCHEME+IOUtil.SCHEME_SEPARATOR+f.getPath()+post;
-                url = new URL(urlS);
+            File f;
+            try {
+                f = new File(specificURI);
+            } catch( IllegalArgumentException iae) {
+                if( DEBUG ) {
+                    System.out.println("toURL: "+uri+" -> File("+specificURI+") failed: "+iae.getMessage());
+                }
+                f = null;
             }
-        } else {
+            if( null != f ) {
+                if( specificURI == uri ) {
+                    url = new URL(IOUtil.FILE_SCHEME+IOUtil.SCHEME_SEPARATOR+f.getPath());
+                    // url = f.toURI().toURL(); // Doesn't work, since it uses encoded path!
+                    mode = 1;
+                } else {
+                    final String post = isJAR ? IOUtil.JAR_SCHEME_SEPARATOR + JarUtil.getJarEntry(uri) : "";
+                    final String urlS = uriSchema+IOUtil.SCHEME_SEPARATOR+IOUtil.FILE_SCHEME+IOUtil.SCHEME_SEPARATOR+f.getPath()+post;
+                    url = new URL(urlS);
+                    mode = 2;
+                }
+            }
+        }
+        if( null == url ) {
             url = uri.toURL();
+            mode = 3;
+        }
+        if( DEBUG ) {
+            System.err.println("IOUtil.toURL: "+uri+", isJar "+isJAR+": "+specificURI+" -> mode "+mode+", "+url);
         }
         return url;
     }
diff --git a/src/java/com/jogamp/common/util/JarUtil.java b/src/java/com/jogamp/common/util/JarUtil.java
index 665e196..481fe92 100644
--- a/src/java/com/jogamp/common/util/JarUtil.java
+++ b/src/java/com/jogamp/common/util/JarUtil.java
@@ -140,8 +140,9 @@ public class JarUtil {
             throw new IllegalArgumentException("null arguments: clazzBinName "+clazzBinName+", cl "+cl);
         }
         final URI uri;
+        final URL url;
         {
-            final URL url = IOUtil.getClassURL(clazzBinName, cl);
+            url = IOUtil.getClassURL(clazzBinName, cl);
             final String scheme = url.getProtocol();
             if( null != resolver &&
                 !scheme.equals( IOUtil.JAR_SCHEME ) &&
@@ -165,6 +166,9 @@ public class JarUtil {
         if( !uri.getScheme().equals( IOUtil.JAR_SCHEME ) ) {
             throw new IllegalArgumentException("URI is not using scheme "+IOUtil.JAR_SCHEME+": <"+uri+">");
         }
+        if(DEBUG) {
+            System.out.println("getJarURI res: "+clazzBinName+" -> "+url+" -> "+uri);
+        }
         return uri;
     }
     
@@ -266,26 +270,27 @@ public class JarUtil {
         if( !classJarURI.getScheme().equals(IOUtil.JAR_SCHEME) ) {
             throw new IllegalArgumentException("URI is not a using scheme "+IOUtil.JAR_SCHEME+": <"+classJarURI+">");
         }
-        String uriS = classJarURI.getRawSchemeSpecificPart();
         
         // from 
         //   file:/some/path/gluegen-rt.jar!/com/jogamp/common/GlueGenVersion.class
         // to
         //   file:/some/path/gluegen-rt.jar
-        int idx = uriS.lastIndexOf('!');
+        final String uriS0 = classJarURI.getRawSchemeSpecificPart();        
+        int idx = uriS0.lastIndexOf('!');
+        final String uriS1;
         if (0 <= idx) {
-            uriS = uriS.substring(0, idx); // exclude '!/'
+            uriS1 = uriS0.substring(0, idx); // exclude '!/'
         } else {
             throw new IllegalArgumentException("JAR URI does not contain jar uri terminator '!', uri <"+classJarURI+">");
         }
         
-        if(0 >= uriS.lastIndexOf(".jar")) {
+        if(0 >= uriS1.lastIndexOf(".jar")) {
             throw new IllegalArgumentException("No Jar name in <"+classJarURI+">");
         }                    
         if(DEBUG) {
-            System.out.println("getJarSubURI res: "+uriS);
+            System.out.println("getJarSubURI res: "+classJarURI+" -> "+uriS0+" -> "+uriS1+" -> "+uriS1);
         }
-        return new URI(uriS);
+        return new URI(uriS1);
     }
     
     /**