This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Cannot find Bean refers to loss of struts action servlet to identify from where the value is being referred.
If you have configured form bean name as "inputForm" then try to provide the same under name property of an html:radio. Property must be referring to a bean attribute here an inputForm attribute with proper getter/setter methods defined.