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  1. OptaPlanner
  2. PLANNER-2916

Reusing distance matrix can cause index out of bounds if two nearby selectors have different distributionSizeMaximum

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    • 2023 Week 12-14 (from Mar 20)
    • 5
    • NEW
    • NEW

    Description

      Reproducer: https://github.com/yurloc/optaplanner/tree/planner-2916.

      Caused by: java.lang.ArrayIndexOutOfBoundsException: Index 10 out of bounds for length 5
	at org.optaplanner.core.impl.heuristic.selector.common.nearby.NearbyDistanceMatrix.getDestination(NearbyDistanceMatrix.java:80)
	at org.optaplanner.core.impl.heuristic.selector.value.nearby.NearEntityNearbyValueSelector$RandomEntityNearbyValueIterator.next(NearEntityNearbyValueSelector.java:233)
	at org.optaplanner.core.impl.heuristic.selector.common.iterator.AbstractRandomChangeIterator.createUpcomingSelection(AbstractRandomChangeIterator.java:56)
	at org.optaplanner.core.impl.heuristic.selector.common.iterator.AbstractRandomChangeIterator.createUpcomingSelection(AbstractRandomChangeIterator.java:9)
	at org.optaplanner.core.impl.heuristic.selector.common.iterator.UpcomingSelectionIterator.hasNext(UpcomingSelectionIterator.java:27)

       

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            lpetrovi@redhat.com Lukáš Petrovický (Inactive)
            jlocker Jiří Locker
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              Updated:
              Resolved: