diff -r fd16c54261b3 -r 90ce3da70b43 jdk/test/java/net/URL/B6529759.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/net/URL/B6529759.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/* @test
+ * @bug 6529759
+ * @summary URL constructor of specific form does not provide exception chaining
+ */
+
+import java.net.URL;
+
+public class B6529759
+{
+    public static void main(String[] args) {
+        try {
+            new java.net.URL(null, "a:", new a());
+        } catch (Exception e) {
+            if (e.getCause() == null) {
+                e.printStackTrace();
+                throw new RuntimeException("Failed: Exception has no cause");
+            }
+        }
+    }
+
+    static class a extends java.net.URLStreamHandler {
+        protected java.net.URLConnection openConnection(java.net.URL u)  {
+            throw new UnsupportedOperationException();
+        }
+
+        protected void parseURL(java.net.URL u, String spec, int start, int limit) {
+            throw new RuntimeException();
+        }
+    }
+}