powerbroker commented on code in PR #34:
URL: https://github.com/apache/geronimo-xbean/pull/34#discussion_r1051448994


##########
xbean-finder/src/main/java/org/apache/xbean/finder/archive/JarArchive.java:
##########
@@ -41,22 +44,63 @@ public class JarArchive implements Archive, AutoCloseable {
     private final JarFile jar;
     private final MJarSupport mjar = new MJarSupport();
 
-    public JarArchive(ClassLoader loader, URL url) {
+    /*
+     * Supports only 'file:/...' or 'jar:file:/...!/' URLs
+     */
+    public JarArchive(ClassLoader loader, URL url){
 //        if (!"jar".equals(url.getProtocol())) throw new 
IllegalArgumentException("not a jar url: " + url);
 
-        try {
-            this.loader = loader;
-            this.url = url;
-            URL u = url;
+        this.loader = loader;
+        this.url = url;
+        File jarFile = null;
+        String jarPath;
+        int idx;
 
-            String jarPath = url.getFile();
-            if (jarPath.contains("!")) {
-                jarPath = jarPath.substring(0, jarPath.indexOf("!"));
-                u = new URL(jarPath);
+        // Wipe out 'jar:' prefix AND '!/{...}' suffix(if any)
+        if("jar".equalsIgnoreCase(url.getProtocol())){
+
+            try{
+                jarPath = url.getPath();
+                url = new URL(jarPath.substring(0, jarPath.lastIndexOf("!/")));

Review Comment:
   absolutely have no idea why it should be indexOf. at the beginning of story 
single-place change 'indexOf -> lastIndexOf' was fixing the issue. test passes 
with lastIndexOf, as well as with indexOf with some modifications...
   
   well, if you so want indexOf - here it is. 



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