org.optaplanner.core.impl.phase.event.PhaseLifecycleSupport.firePhaseStarted(PhaseLifecycleSupport.java:39) at org.optaplanner.core.impl.phase.event.PhaseLifecycleSupport
to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint 'AbstractSelectorexport class AbstractSelector { }ex
(AbstractSelector.java:47)at org.optaplanner.core.impl.heuristic.selector.AbstractSelector.phaseStarted(AbstractSelector.java:47)
at org.optaplanner.core.impl.ph
org.optaplanner.core.impl.phase.event.PhaseLifecycleSupport.firePhaseStarted(PhaseLifecycleSupport.java:37) at org.optaplanner.core.impl.phase.event.PhaseLifecycl
EPollSelectorImpl.java:193) at java.nio.channels.spi.AbstractSelector$1.interrupt(AbstractSelector.java:210)
at java.nio.channels.spi.AbstractSelector.begin(AbstractSelector.java
org.optaplanner.core.impl.phase.event.PhaseLifecycleSupport.firePhaseStarted(PhaseLifecycleSupport.java:37) at org.optaplanner.core.impl.phase.event.PhaseLifecycleSupport