here i want to readbars (spec time internal, for example readbars 2018:03::01:01:10-2018:3:01:12:10 Period.TEN_MINS BARS)

CODE
.......

GetSpecTimeBars(Instrument.EURUSD, Period.TEN_MINS, OfferSide.BID, time, 1, 0, 18, 0);
...............

private List GetSpecTimeBars(Instrument SpecInstrument,Period SpecPeriod, OfferSide ofside, long TodayTime,int fromHour,int fromMin,int toHour,int toMin) throws JFException{
}

but show is:

com.dukascopy.api.JFException: Interval from [2018.03.12 01:00:00 000] to [2018.03.12 07:24:47 554] GMT is not valid for period [10 Mins]
at com.dukascopy.api.impl.o.b(L:1363)
at com.dukascopy.api.impl.o.getBars(L:727)
at jforex.SmaFlipMinMax.GetSpecTimeBars(SmaFlipMinMax.java:103)
at jforex.SmaFlipMinMax.onStart(SmaFlipMinMax.java:52)
at com.dukascopy.api.impl.execution.s.call(L:27)
at com.dukascopy.api.impl.execution.s.call(L:13)
at com.dukascopy.api.impl.connect.au.a(L:140)
at com.dukascopy.api.impl.connect.cn.call(L:713)
at com.dukascopy.api.impl.connect.cn.call(L:674)
at com.dukascopy.api.impl.execution.j.call(L:34)
at java.util.concurrent.FutureTask.run(Unknown Source)
at com.dukascopy.api.impl.execution.f$a.e(L:904)
at com.dukascopy.api.impl.execution.f$a.run(L:926)
at java.lang.Thread.run(Unknown Source)

This happens because getBars assumes that from and to times are equal to 10 min bar start time. This means that from and to times should be normalized using history.getBarStart(Period period, long time method.
https://www.dukascopy.com/client/javadoc3/com/dukascopy/api/IHistory.html#getBarStart-com.dukascopy.api.Period-long-