Insert arrays of items causes exception

[former_member633554]

We receive and error when I try set a list of classification categories into product using modelService.

 ERROR [hybrisHTTP5] 11:40:46.707   Error while saving classifications for the product::SB4399
de.hybris.platform.servicelayer.exceptions.ModelSavingException: For input string: "false"
at de.hybris.platform.servicelayer.internal.converter.impl.ItemModelConverter.storeAttributes(ItemModelConverter.java:1754) ~[coreserver.jar:?]
at de.hybris.platform.servicelayer.internal.converter.impl.ItemModelConverter.save(ItemModelConverter.java:836) ~[coreserver.jar:?]
at de.hybris.platform.servicelayer.internal.model.impl.wrapper.ModelWrapper.save(ModelWrapper.java:363) ~[coreserver.jar:?]
at de.hybris.platform.servicelayer.internal.model.impl.ResolvingModelPersister.saveOthers(ResolvingModelPersister.java:68) ~[coreserver.jar:?]
at de.hybris.platform.servicelayer.internal.model.impl.ResolvingModelPersister.persist(ResolvingModelPersister.java:53) ~[coreserver.jar:?]
at de.hybris.platform.servicelayer.internal.model.impl.DefaultModelService.saveViaJalo(DefaultModelService.java:1185) ~[coreserver.jar:?]
at de.hybris.platform.servicelayer.internal.model.impl.DefaultModelService.doJaloPersistence(DefaultModelService.java:744) ~[coreserver.jar:?]
at de.hybris.platform.servicelayer.internal.model.impl.DefaultModelService.persistWrappers(DefaultModelService.java:1129) ~[coreserver.jar:?]
at de.hybris.platform.servicelayer.internal.model.impl.DefaultModelService.performPersistenceOperations(DefaultModelService.java:721) ~[coreserver.jar:?]
at de.hybris.platform.servicelayer.internal.model.impl.DefaultModelService.saveAllInternal(DefaultModelService.java:715) ~[coreserver.jar:?]
at de.hybris.platform.servicelayer.internal.model.impl.DefaultModelService.saveAll(DefaultModelService.java:695) ~[coreserver.jar:?]
at de.hybris.platform.servicelayer.internal.model.impl.DefaultModelService.saveAll(DefaultModelService.java:663) ~[coreserver.jar:?]

[geffchang]

Did you find the cause for this issue? I think there might have been a mismatch between the classification attribute and its value.