diff -r f7e64b33d5a4 -r 7708bd6d800d test/tools/javap/T6587786.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javap/T6587786.java	Tue Jun 03 13:26:47 2008 -0700
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2008 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 6587786
+ * @summary Javap throws error : "ERROR:Could not find <classname>" for JRE classes
+ */
+
+import java.io.*;
+
+public class T6587786 {
+    public static void main(String[] args) throws Exception {
+        new T6587786().run();
+    }
+
+    public void run() throws IOException {
+        javap("com.sun.javadoc.Doc", "com.sun.crypto.provider.ai");
+        javap("com.sun.crypto.provider.ai", "com.sun.javadoc.ClassDoc");
+    }
+
+    void javap(String... args) {
+        StringWriter sw = new StringWriter();
+        PrintWriter out = new PrintWriter(sw);
+        //sun.tools.javap.Main.entry(args);
+        int rc = com.sun.tools.javap.Main.run(args, out);
+        if (rc != 0)
+            throw new Error("javap failed. rc=" + rc);
+        out.close();
+        System.out.println(sw.toString());
+    }
+}