[Hibernate] 'illegal attempt to dereference collection'

[jmoore]

This error message will arise starting with the Hibernate upgrade to 3.2.5.ga as outlined in the Hibernate migration guide. Queries of the form:

 select p from Pixels p where p.planeInfo.id = :id" 

will fail since planeInfo is a collection and has no "id" property. The proper query is:

 select pi.pixels from PlaneInfo pi where pi.id = :id"

See: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2667