src/share/classes/java/nio/channels/SocketChannel.java

@@ -335,10 +335,16 @@
      * method is in progress then that operation will first block until this
      * invocation is complete.  If a connection attempt is initiated but fails,
      * that is, if an invocation of this method throws a checked exception,
      * then the channel will be closed.  </p>
      *
+     * <p> Once a connection is established,
+     * {@link java.nio.channels.Selector#select() Selector.select()} method
+     * should never select <tt>OP_CONNECT</tt> again. Please see
+     * {@link java.nio.channels.Selector#select() Selector.select()} for detail.
+     * </p>
+     *
      * @param  remote
      *         The remote address to which this channel is to be connected
      *
      * @return  <tt>true</tt> if a connection was established,
      *          <tt>false</tt> if this channel is in non-blocking mode