如何将负数（-123或-123.00）分配给ModelDriven bean （实现ModelDriven＆lt; Bean＆gt;）。 当我尝试通过请求传递该值时，它会抛出异常
Fri Aug 10 18:45:27 IST 2012 unable to convert value using type converter [com.opensymphony.xwork2.conversion.impl.XWorkBasicConverter]
Overflow or underflow casting: "-123.12" into class java.lang.Double - [unknown location]
at com.opensymphony.xwork2.conversion.impl.XWorkBasicConverter.doConvertToNumber(XWorkBasicConverter.java:406)
at com.opensymphony.xwork2.conversion.impl.XWorkBasicConverter.doConvertToNumber(XWorkBasicConverter.java:415)
at com.opensymphony.xwork2.conversion.impl.XWorkBasicConverter.convertValue(XWorkBasicConverter.java:118)