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From Struts Newsgroup (@Basebeans.com) <str...@basebeans.com>
Subject Re: Struts ActionForm InstantiationException...? New Question
Date Mon, 01 Jul 2002 12:25:03 GMT
Subject: Re: Struts ActionForm InstantiationException...? New Question
From: "Scott Curtis" <scurtis@smart421.com>
 ===
It turns out that the problem was caused by my Form class having a
constructor with two parameters of type String. As soon as I removed this
constructor the code worked.

Therefore, I have a new question. Can anyone tell me why my ActionForm class
can't have a non-default constructor?

thanks
 - scott

"Scott Curtis" <scurtis@smart421.com> wrote in message
news:afpfqv$npd$1@basebeans.com...
> Hi,
>
> I have written a Form class that extends ActionForm, called LoginForm.java
> I have also written an Action class called LoginAction.java
> I have written an ActionMapping as follows:
>
> <action path="/login"
>     type="com.scurtis.web.action.LoginAction"
>     name="loginForm"
>     scope="request"
>     input="/login.jsp">
>     <forward name="success" path="/feedback.jsp" />
> </action>
>
> <form-beans type="org.apache.struts.action.ActionFormBean">
>     <form-bean name="loginForm"
>     type="com.scurtis.web.forms.LoginForm" />
> </form-beans>
>
> In my jsp I am have the following:
>
> <html:form action="login.do">
>     <html:text property="loginName" maxlength="60" size="40" />
>     <html:text property="password" maxlength="60" size="40" />
> </html:form>
>
> For some reason when I try to load the jsp I get the following error:
>
> javax.servlet.jsp.JspException: Exception creating bean of class
> com.scurtis.web.forms.LoginForm: java.lang.InstantiationException:
> com/scurtis/web/forms/LoginForm
>
> I would really appreciate if someone could shed some light onto why this
> might be happening and how to fix it. I have written a lot of forms (all
in
> the same project) and they all work.
>
> Many thanks in advance.
>  -scott
>
>
>



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