org.apache.jasper.JasperException: Unable to compile class for JSP:

said the old User
a problem here , User is javabean, I also introduced , not to do a class , where so many things ? ?
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you may not referenced in the User class , carefully check your package name User class class name right .
In the User which added a default constructor
http://zhidao.baidu.com/question/95284956
This problem is usually caused because of minor errors not careful , I wish the landlord successfully modified
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I encountered this problem, roof ,