When I started my strategy during the weekend I receive the error "thread queue overloaded with tasks". The platform is not receiving ticks however the onBar method continues to run (in this case every 5 minutes).

Maybe I don't understand how the JForex API works. But I was assuming the onBar method would only execute after the close of a bar. Evidently this is not true.

API describes onBar Method .... "Called on every bar for every basic period and instrument that application is subscribed on"
I am subscribed to EURUSD and am filtering all periods except M5, M15, M30 and H1. I am using several indicators in these time frames.

Why is the onBar method being called when the market is closed?
What is the best way to avoid this problem. A code example would help. (is this code acceptable? -> if askBar != null ...)
-----------------------------
18:42:59 Stopping "jTest" strategy at 2011-02-06 18:42:59.900 GMT on the local computer
18:42:56 Strategy thread queue overloaded with tasks. Ticks in queue - 0, bars - 503, other tasks - 0
18:42:51 Strategy thread queue overloaded with tasks. Ticks in queue - 0, bars - 503, other tasks - 0
18:42:46 Strategy thread queue overloaded with tasks. Ticks in queue - 0, bars - 502, other tasks - 0
18:42:41 Strategy thread queue overloaded with tasks. Ticks in queue - 0, bars - 502, other tasks - 0
18:42:36 Strategy thread queue overloaded with tasks. Ticks in queue - 0, bars - 501, other tasks - 0
18:42:31 Strategy thread queue overloaded with tasks. Ticks in queue - 0, bars - 501, other tasks - 0
15:33:55 jTest 2.26: onStart() EUR/USD Account Login: DEMO2.26
15:33:55 Strategy "jTest" is started at 2011-02-06 15:33:55.365 GMT on the local computer with parameters
15:33:55 Starting "jTest" strategy at 2011-02-06 15:33:55.365 GMT on the local computer

Hi,
The onBar method method returns flat candles in a weekend.

What exactly is a flat candle? Is it the last returned price continuously repeated or is it a null price?

What is the best way to avoid this problem? A code example would help.

If a candle close and the candle open price equals and the candle open price equals with a previous candle close price, then this is a flat candle. You can call an indicator with a Filter parameter or you can skip holidays in your strategy. Please consider the following code:

      
   private boolean isTradableDay(long tickTime){
      Calendar calendar = Calendar.getInstance();
      calendar.setTimeInMillis(tickTime);
      
      int weekday = calendar.get(Calendar.DAY_OF_WEEK);
      if (weekday == Calendar.SATURDAY) {
         return false;
      } else if (weekday == Calendar.SUNDAY) {
         return false;
      }
      return true;
   }