RFR of JDK-8080550: java/rmi/server/useCustomRef/UseCustomRef.java failed with java.net.BindException intermittently

[Hamlin Li]

Would you please review the below patch?

bug: https://bugs.openjdk.java.net/browse/JDK-8080550
webrev: http://cr.openjdk.java.net/~mli/8080550/

Thank you
-Hamlin

------------------------------------------------------------------------
diff -r 99dd72e05060 test/java/rmi/server/useCustomRef/UseCustomRef.java
--- a/test/java/rmi/server/useCustomRef/UseCustomRef.java    Fri Dec 02 
00:47:00 2016 -0800
+++ b/test/java/rmi/server/useCustomRef/UseCustomRef.java    Fri Dec 02 
01:05:36 2016 -0800
@@ -1,5 +1,5 @@
  /*
- * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights 
reserved.
+ * Copyright (c) 1998, 2016, Oracle and/or its affiliates. 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
@@ -86,7 +86,7 @@

              System.err.println("creating Registry...");

-            registry = TestLibrary.createRegistryOnUnusedPort();
+            registry = TestLibrary.createRegistryOnEphemeralPort();
              int port = TestLibrary.getRegistryPort(registry);
              /*
               * create object with custom ref and bind in registry