Broadcast function does not work neither on current JForex LIVE 2.45.28 nor on DEMO 2.45.30
Try your sample strategy at
https://www.dukascopy.com/wiki/#Broadcast_message

Live throws error

23:56:41 at java.lang.Thread.run(Thread.java:745)
23:56:41 at com.dukascopy.api.impl.execution.g$a.run(L:926)
23:56:41 at com.dukascopy.api.impl.execution.g$a.f(L:904)
23:56:41 at java.util.concurrent.FutureTask.run(FutureTask.java:266)
23:56:41 at com.dukascopy.api.impl.execution.n.call(L:23)
23:56:41 at com.dukascopy.api.impl.execution.n.call(L:63)
23:56:41 at com.dukascopy.api.impl.execution.n.cC(L:85)
23:56:41 at jforex.strategies.BroadcastStrategy.onBar(BroadcastStrategy.java:36)
23:56:41 at com.dukascopy.api.impl.connect.bz.broadcast(L:441)
23:56:41 at com.dukascopy.jss.b.q(L:427)
23:56:41 java.lang.NullPointerException

Demo & Live
no message arrives in onMessage(IMessage message) method.

Please fix.

Does still not work on DEMO 2.45.31

This has been fixed now, in DEMO 2.45.34