src/java.base/share/classes/java/nio/channels/DatagramChannel.java

*** 404,413 ****
--- 404,416 ----
       *          and no datagram was immediately available
       *
       * @throws  ClosedChannelException
       *          If this channel is closed
       *
+      * @throws  IllegalArgumentException
+      *          If the buffer is read-only
+      *
       * @throws  AsynchronousCloseException
       *          If another thread closes this channel
       *          while the read operation is in progress
       *
       * @throws  ClosedByInterruptException