Title: Imaginative Blog Name: Liskov's Substitution Principle, equals, and Hibernate Proxies

URL: http://cwmaier.blogspot.com/2007/07/liskov-substitution-principle-equals.html

Description: Hibernate's CGLIB dynamic proxy classes reared their ugly head today. I've been using the Eclipse-generated hashcode() and equals() methods in my domain objects for quite a while, with no problems. Then today I write a test that does a simple equality check and everything blows up!