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From: "Jacob Hookom" <hookomjj@uwec.edu>
To: "'Struts Users Mailing List'" <struts-user@jakarta.apache.org>
Subject: RE: Struts 1.1b1 HTML:Form
Date: Mon, 1 Jul 2002 12:32:11 -0500
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Thanks for the clarification.

My thought was that struts w/should be able to accommodate pre-existing
beans on the system for ease of generating jsp's-- without generating
new beans that contain the same object definition and just extend from a
different class.

-Jake

-----Original Message-----
From: Craig R. McClanahan [mailto:craigmcc@apache.org]=20
Sent: Monday, July 01, 2002 12:06 PM
To: Struts Users Mailing List
Subject: Re: Struts 1.1b1 HTML:Form

It is correct to say that all of the automatic Struts machinery for form
beans only works if your bean is a subclass of ActionForm.  (In Struts
1.1, that includes the DynaActionForm class as well.)

Craig


On Mon, 1 Jul 2002, Jacob Hookom wrote:

> Date: Mon, 1 Jul 2002 01:23:40 -0500
> From: Jacob Hookom <hookomjj@uwec.edu>
> Reply-To: Struts Users Mailing List <struts-user@jakarta.apache.org>
> To: 'Struts Users Mailing List' <struts-user@jakarta.apache.org>
> Subject: Struts 1.1b1 HTML:Form
>
> With struts 1.1b, the only way it will instantiate a bean for a form
> correctly is if the bean actually extends ActionForm?  The jsp works
> fine on my JRun server running the old release of struts.
>
> I=92m seeing that only my forms with specialized ActionForms seem to
work
> correctly with 1.1b; and it=92s only when I use the <html:form> tag,
> otherwise using <form action=3D=94/action.do=94> works.
>
> [see below for exception thrown from <html:form>]
>
> If forms now require being extended from actionform, do I have to
> basically duplicate bean logic specifically for a form on a page?
>
> Regards,
> Jake Hookom
> University of Wisconsin, Eau Claire
>
> Exception Thrown:
> javax.servlet.jsp.JspException: Exception creating bean of class
> com.dds.bean.Workspace: {1}
> 	at
> org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:610)
> 	at
>
org.apache.jsp.workspace_0002dinsert$jsp._jspService(workspace_0002dinse
> rt$jsp.java:302)
> 	at
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> 	at
>
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServle
> t.java:201)
> 	at
>
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:381)
> 	at
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> 	at
>
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
> tionFilterChain.java:247)
> 	at
>
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
> erChain.java:193)
> 	at
>
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv
> e.java:243)
> 	at
>
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.ja
> va:566)
> 	at
>
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4
> 72)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
> 	at
>
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv
> e.java:190)
> 	at
>
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.ja
> va:566)
> 	at
>
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.ja
> va:246)
> 	at
>
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.ja
> va:564)
> 	at
>
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4
> 72)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
> 	at
>
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:234
> 7)
> 	at
>
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
> :180)
> 	at
>
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.ja
> va:566)
> 	at
>
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherVa
> lve.java:170)
> 	at
>
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.ja
> va:564)
> 	at
>
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
> :170)
> 	at
>
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.ja
> va:564)
> 	at
>
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468
> )
> 	at
>
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.ja
> va:564)
> 	at
>
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4
> 72)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
> 	at
>
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
> java:174)
> 	at
>
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.ja
> va:566)
> 	at
>
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4
> 72)
> 	at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
> 	at
>
org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.j
> ava:1027)
> 	at
>
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:
> 1125)
> 	at java.lang.Thread.run(Thread.java:536)
>
>
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