I ran into a problem today where I was setting the value of a radio button in Tapestry 5 to a long field within a property. I was getting back the value “on” and Tapestry was crashing trying to coerce it into a long type. It turns out the value was null, and the default value for a radio button is “on”. So, if you encounter this, make sure your value fields are not null.
Getting the same error, but the value is not null, and is only broken in IE