I am using the reference implementaion 1.0
If you have the following in a JSP file
<jsp:setProperty name="numguess" property="guess"/>
The following java code is generated
if(request.getParameter("guess") != null &&
!request.getParameter("guess").equals("")) {
numguess.setGuess((request.getParameter ("guess")));
}
so if the input from the form is blank then the property is not set on the bean.
The following in the JSP
<jsp:setProperty name="numguess" property="*"/>
generates this java code
JspRuntimeLibrary.introspect(numguess, request);
I would suspect that the same behaviour applies to setting all the properties on
a bean as with just setting one property on a bean
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