java.lang.IllegalArgumentException: The entityClass (class org.optaplanner.examples.nurserostering.domain.ShiftAssignment) has a PlanningVariable annotated property (employee) that refers to a ValueRangeProvider annotated member (method getShiftAssignmentList on class org.optaplanner.examples.nurserostering.domain.NurseRoster) that returns a Collection with elements of type (class org.optaplanner.examples.nurserostering.domain.ShiftAssignment) which cannot be assigned to the PlanningVariable's type (class org.optaplanner.examples.nurserostering.domain.Employee).
Searched on Google with the first line of a JAVA stack trace?
We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.
Recommended solutions based on your search
Solutions on the web
via JBoss Issue Tracker by Geoffrey De Smet, 1 year ago
via JBoss Issue Tracker by Geoffrey De Smet, 1 year ago
java.lang.IllegalArgumentException: The entityClass (class org.optaplanner.examples.nurserostering.domain.ShiftAssignment) has a PlanningVariable annotated property (employee) that refers to a ValueRangeProvider annotated member (method getShiftAssignmentList on class org.optaplanner.examples.nurserostering.domain.NurseRoster) that returns a Collection with elements of type (class org.optaplanner.examples.nurserostering.domain.ShiftAssignment) which cannot be assigned to the PlanningVariable's type (class org.optaplanner.examples.nurserostering.domain.Employee).
at org.optaplanner.core.impl.domain.valuerange.descriptor.AbstractFromPropertyValueRangeDescriptor.processValueRangeProviderAnnotation(AbstractFromPropertyValueRangeDescriptor.java:108)