Java nioタイムズjava.nio.channels.CancelledKeyExceptionの使用

  catch  Exception 
synchronized(call.connection.responseQueue) {
    if (processResponse(call.connection.responseQueue, false)) {
      try {
        key.interestOps(0);
      } catch (CancelledKeyException e) {
        /* The Listener/reader might have closed the socket.
         * We don't explicitly cancel the key, so not sure if this will
         * ever fire.
         * This warning could be removed.
         */
        LOG.warn("Exception while changing ops : " + e);
      }
    }
  }