Getting Exception when using nearbySelection in VRPTW in optaplanner -


i seen blog scaling vrptw more 1000 location using nearby selection. tried implementing that, here xml wrote :

<unionmoveselector>             <changemoveselector>                 <entityselector id="entityselector1">                     <entityclass>vehiclerouting.domain.customer</entityclass>                 </entityselector>                 <valueselector variablename="previousstandstill">                     <nearbyselection>                         <originentityselector mimicselectorref="entityselector1"/>                         <nearbydistancemeterclass>vehiclerouting.domain.solver.nearby.customernearbydistancemeter</nearbydistancemeterclass>                         `<nearbyselectiondistributiontype>parabolic_distribution</nearbyselectiondistributiontype>                     </nearbyselection>                 </valueselector>             </changemoveselector>             <swapmoveselector>                 <entityselector id="entityselector2">                     <entityclass>vehiclerouting.domain.customer</entityclass>                 </entityselector>                <secondaryentityselector>                     <entityclass>vehiclerouting.domain.customer</entityclass>                     <nearbyselection>                         <originentityselector mimicselectorref="entityselector2"/>                         <nearbydistancemeterclass>vehiclerouting.domain.solver.nearby.customernearbydistancemeter</nearbydistancemeterclass>                         <nearbyselectiondistributiontype>parabolic_distribution</nearbyselectiondistributiontype>                     </nearbyselection>                 </secondaryentityselector>             </swapmoveselector>         </unionmoveselector>

here exception (while running 154 customer):

2017/09/12 12:15:00.538 [simpleasynctaskexecutor-1] [debug] org.optaplanner.core.impl.constructionheuristic.defaultconstructionheuristicphase -     ch step (153), time spent (6850), score (-70002hard/-57992000soft), selected move count (156), picked move (161581 {null -> 161582}). 2017/09/12 12:15:00.547 [simpleasynctaskexecutor-1] [info] org.optaplanner.core.impl.constructionheuristic.defaultconstructionheuristicphase - construction heuristic phase (0) ended: time spent (6859), best score (-70002hard/-57992000soft), score calculation speed (1842/sec), step total (154). 2017/09/12 12:15:00.599 [simpleasynctaskexecutor-1] [debug] org.drools.core.common.defaultagenda - state inactive disposed 2017/09/12 12:15:00.603 [simpleasynctaskexecutor-1] [debug] org.drools.core.common.defaultagenda - state inactive firing_all_rules 2017/09/12 12:15:00.607 [simpleasynctaskexecutor-1] [debug] org.drools.core.common.defaultagenda - state firing_all_rules halting 2017/09/12 12:15:00.607 [simpleasynctaskexecutor-1] [debug] org.drools.core.common.defaultagenda - state halting inactive 2017/09/12 12:15:00.641 [simpleasynctaskexecutor-1] [debug] mobi.fareye.module.rabbitmq.autoroutinglistener - exception :  java.lang.negativearraysizeexception: null     @ org.optaplanner.core.impl.heuristic.selector.common.nearby.nearbydistancematrix.addalldestinations(nearbydistancematrix.java:35) ~[optaplanner-core-7.2.0.final.jar:7.2.0.final]     @ org.optaplanner.core.impl.heuristic.selector.entity.nearby.nearentitynearbyentityselector.phasestarted(nearentitynearbyentityselector.java:96) ~[optaplanner-core-7.2.0.final.jar:7.2.0.final]     @ org.optaplanner.core.impl.phase.event.phaselifecyclesupport.firephasestarted(phaselifecyclesupport.java:37) ~[optaplanner-core-7.2.0.final.jar:7.2.0.final]     @ org.optaplanner.core.impl.heuristic.selector.abstractselector.phasestarted(abstractselector.java:49) ~[optaplanner-core-7.2.0.final.jar:7.2.0.final]     @ org.optaplanner.core.impl.phase.event.phaselifecyclesupport.firephasestarted(phaselifecyclesupport.java:37) ~[optaplanner-core-7.2.0.final.jar:7.2.0.final]     @ org.optaplanner.core.impl.heuristic.selector.abstractselector.phasestarted(abstractselector.java:49) ~[optaplanner-core-7.2.0.final.jar:7.2.0.final]     @ org.optaplanner.core.impl.heuristic.selector.move.decorator.filteringmoveselector.phasestarted(filteringmoveselector.java:51) ~[optaplanner-core-7.2.0.final.jar:7.2.0.final]     @ org.optaplanner.core.impl.phase.event.phaselifecyclesupport.firephasestarted(phaselifecyclesupport.java:37) ~[optaplanner-core-7.2.0.final.jar:7.2.0.final]     @ org.optaplanner.core.impl.heuristic.selector.abstractselector.phasestarted(abstractselector.java:49) ~[optaplanner-core-7.2.0.final.jar:7.2.0.final]     @ org.optaplanner.core.impl.localsearch.decider.localsearchdecider.phasestarted(localsearchdecider.java:95) ~[optaplanner-core-7.2.0.final.jar:7.2.0.final]     @ org.optaplanner.core.impl.localsearch.defaultlocalsearchphase.phasestarted(defaultlocalsearchphase.java:115) ~[optaplanner-core-7.2.0.final.jar:7.2.0.final]     @ org.optaplanner.core.impl.localsearch.defaultlocalsearchphase.solve(defaultlocalsearchphase.java:64) ~[optaplanner-core-7.2.0.final.jar:7.2.0.final]     @ org.optaplanner.core.impl.solver.abstractsolver.runphases(abstractsolver.java:87) ~[optaplanner-core-7.2.0.final.jar:7.2.0.final]

i think, might doing wrong in xml config. help.


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