diff -r 4e9dd25279c7 -r d4e98bbfb0be jdk/test/java/nio/channels/Selector/CloseInvalidatesKeys.java
--- a/jdk/test/java/nio/channels/Selector/CloseInvalidatesKeys.java	Tue Jun 22 19:18:06 2010 -0700
+++ b/jdk/test/java/nio/channels/Selector/CloseInvalidatesKeys.java	Wed Jun 23 20:19:29 2010 +0100
@@ -33,12 +33,16 @@
 
     public static void main (String [] args) throws Exception {
         DatagramChannel ch = DatagramChannel.open();
-        ch.configureBlocking(false);
-        Selector sel = Selector.open();
-        SelectionKey key = ch.register(sel, SelectionKey.OP_WRITE);
-        sel.close();
-        if (key.isValid())
-            throw new Exception("Key valid after selector closed");
+        try {
+            ch.configureBlocking(false);
+            Selector sel = Selector.open();
+            SelectionKey key = ch.register(sel, SelectionKey.OP_WRITE);
+            sel.close();
+            if (key.isValid())
+                throw new Exception("Key valid after selector closed");
+        } finally {
+            ch.close();
+        }
     }
 
 }