/** {@inheritDoc} */
 @Override
 public void messageReceived(IoSession session, Object message) throws Exception {
   if (log.isTraceEnabled()) {
     log.trace("messageReceived session: {} message: {}", session, message);
     log.trace("Filter chain: {}", session.getFilterChain());
   }
   String sessionId = (String) session.getAttribute(RTMPConnection.RTMP_SESSION_ID);
   if (log.isTraceEnabled()) {
     log.trace("Message received on session: {} id: {}", session.getId(), sessionId);
   }
   RTMPMinaConnection conn =
       (RTMPMinaConnection) RTMPConnManager.getInstance().getConnectionBySessionId(sessionId);
   if (conn != null) {
     if (message != null) {
       if (message instanceof Packet) {
         byte state = conn.getStateCode();
         // checking the state before allowing a task to be created will hopefully prevent rejected
         // task exceptions
         if (state != RTMP.STATE_DISCONNECTING && state != RTMP.STATE_DISCONNECTED) {
           conn.handleMessageReceived((Packet) message);
         } else {
           log.info(
               "Ignoring received message on {} due to state: {}", sessionId, RTMP.states[state]);
         }
       }
     }
   } else {
     log.warn("Connection was not found for {}, force closing", sessionId);
     forceClose(session);
   }
 }