ColdFusion MX: CFC and UDF Names Cannot Match Reserved Method Names
Certain Java class names cannot be used as names of CFCs or UDFs. All public methods in UDFMethod, FusionFilter and java.lang.Object are reserved names. This TechNote will help you get a handle on what names you can and can't use.
ColdFusion MX: CFC and UDF Names Cannot Match Reserved Method Names