--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/security/krb5/auto/BadKdc3.java	Thu Dec 24 13:56:19 2009 +0800
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2009 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 6843127
+ * @run main/timeout=300 BadKdc3
+ * @summary krb5 should not try to access unavailable kdc too often
+ */
+
+import java.io.*;
+import java.security.Security;
+
+public class BadKdc3 {
+
+    public static void main(String[] args)
+            throws Exception {
+        Security.setProperty("krb5.kdc.bad.policy", "tryLast");
+        BadKdc.go(
+                new int[]{1,2,1,2,1,2,2,2,2,2,2,2,3,2,3,2}, // 1, 2
+                new int[]{3,2,3,2}, // 1, 2
+                // refresh
+                new int[]{1,2,1,2,1,2,2,2,2,2,2,2,3,2,3,2}, // 1, 2
+                // k3 off, k2 on
+                new int[]{3,2,3,2,3,2,1,2,1,2,1,2,2,2,2,2}, // 1, 3
+                // k1 on
+                new int[]{2,2,2,2}  // 1, 3
+        );
+    }
+}