InheritanceValueMap.getInherited(propPath, fallback) doesn't throw javax.jcr.ItemNotFoundException

[ItGumby]

The jackalope implementation is throwing exceptions instead of returning the fallback value.

com.twcable.jackalope.impl.sling.SlingRepositoryException: javax.jcr.ItemNotFoundException
    at com.twcable.jackalope.impl.sling.ItemResourceImpl.getParent(ItemResourceImpl.java:78)
    at org.apache.sling.api.resource.ResourceUtil.getParent(ResourceUtil.java:215)
    at com.day.cq.commons.inherit.HierarchyNodeInheritanceValueMap.getParentPageValue(HierarchyNodeInheritanceValueMap.java:124)
    at com.day.cq.commons.inherit.HierarchyNodeInheritanceValueMap.getParentPageValue(HierarchyNodeInheritanceValueMap.java:152)
    at com.day.cq.commons.inherit.HierarchyNodeInheritanceValueMap.getParentPageValue(HierarchyNodeInheritanceValueMap.java:152)
    at com.day.cq.commons.inherit.HierarchyNodeInheritanceValueMap.getParentPageValue(HierarchyNodeInheritanceValueMap.java:152)
    at com.day.cq.commons.inherit.HierarchyNodeInheritanceValueMap.getParentPageValue(HierarchyNodeInheritanceValueMap.java:152)
    at com.day.cq.commons.inherit.HierarchyNodeInheritanceValueMap.getParentPageValue(HierarchyNodeInheritanceValueMap.java:152)
    at com.day.cq.commons.inherit.HierarchyNodeInheritanceValueMap.getInherited(HierarchyNodeInheritanceValueMap.java:92)
    at com.day.cq.commons.inherit.HierarchyNodeInheritanceValueMap.getInherited(HierarchyNodeInheritanceValueMap.java:108)
    at com.twc.webcms.clusync.models.RelationshipItem.<init>(RelationshipItem.groovy:41)
    at com.twc.webcms.clusync.impl.RelationshipServiceImpl.getPageRelationships_closure5(RelationshipServiceImpl.groovy:219)
    at groovy.lang.Closure.call(Closure.java:423)
    at groovy.lang.Closure.call(Closure.java:439)
    at com.twc.webcms.clusync.impl.RelationshipServiceImpl.getPageRelationships(RelationshipServiceImpl.groovy:217)
    at com.twc.webcms.clusync.impl.RelationshipServiceImplSpec.should extract RelationshipItems from the relationship page(RelationshipServiceImplSpec.groovy:291)
Caused by: javax.jcr.ItemNotFoundException
    at com.twcable.jackalope.impl.jcr.ItemImpl.getParent(ItemImpl.java:93)
    at com.twcable.jackalope.impl.sling.ItemResourceImpl.getParent(ItemResourceImpl.java:75)
    ... 15 more