Map Backed Property problem

I figured out my problem and decided to post the answer in case anyone else runs into it. Apparently, the BeanInfo class looks for a setter method with the same parameter type as the getter method. In my case I was getting a String but setting an Object. Changing the Object parameter to a String

Map Backed Property problem

I am trying to use a map-backed property but my form values are not getting into the Map. When I debug the code I see the "descriptor" being returned by PropertyUtils is a MappedPropertyDescriptor, but the mappedWriteMethod is null. The mappedReadMethod looks good though (name=getHostInfo). My ac