Pete,
You are correct on all counts.
Thanks!
--Bill
At 08:35 AM 6/19/2001 -0500, you wrote:
>Are you using the html:form tag?
>It looks as though that tag requires that you have a bean associated
>with the form.
>I am using struts 1.0 beta 3 (so maybe this is different in the 1.0
>release) but, the form tag
>trys to retrieve a bean from the pageContext, if it does not find one,
>then it attempts to create a new one.
>So it looks like you will either need to add a bean, or use a standard
><FORM> tag.
>However, using the <FORM> HTML tag will forfeit the bonus stuff craig
>mentioned below.
>
>HTH,
> Pete
>
>
>Bill Firestone wrote:
>
>> Pete,
>>
>> I thank you, but I still get "Cannot retrieve definition for form bean
>> null." XML now is:
>>
>> <action path="/uidstart"
>> type="com.cisco.nm.uid.struts.action.UidAction">
>> <forward name="success" path="/engineresult.jsp"/>
>> </action>
>>
>> I'm sure I'm modifying correct XML file because if I add
>>
>> name="FRED"
>>
>> attribute in <action> element, then the above error turns into "Cannot
>> retrieve definition for form bean FRED"
>>
>> Bill
>>
>> At 03:33 PM 6/18/2001 -0500, you wrote:
>>
>>> try removing the 'scope' and 'validate' attributes.
>>>
>>> Pete
>>>
>>>
>>>
>>> Bill Firestone wrote:
>>>
>>> > All sounds good, but I get the following error:
>>> >
>>> > Error: 500
>>> > Location: /uid/index.jsp
>>> > Internal Servlet Error:
>>> > javax.servlet.ServletException: Cannot retrieve definition for form
>>> > bean null
>>> > at
>>> >
>org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:459)
>>> >
>>> > at
>>> >
>_0002findex_0002ejspindex_jsp_34._jspService(_0002findex_0002ejspindex_jsp_34.java:257)
>>> >
>>> > at
>>> > org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)
>>> >
>>> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>>> > at
>>> >
>org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:177)
>>> >
>>> > at
>>> > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:318)
>>> >
>>> > at
>>> > org.apache.jasper.servlet.JspServlet.service(JspServlet.java:391)
>>> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>>> > at
>>> > org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
>>> >
>>> > at org.apache.tomcat.core.Handler.service(Handler.java:286)
>>> > at
>>> > org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
>>> >
>>> > at
>>> > org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:797)
>>> >
>>> > at
>>> > org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
>>> >
>>> > at
>>> >
>org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:210)
>>> >
>>> > at
>>> > org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
>>> >
>>> > at
>>> > org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
>>> >
>>> > at java.lang.Thread.run(Thread.java:484)
>>> > Root cause:
>>> > <same as above>
>>> >
>>> > struts-config.xml has:
>>> > <action path="/uidstart"
>>> > type="com.cisco.nm.uid.struts.action.UidAction"
>>> > scope="request"
>>> > validate="false">
>>> > <forward name="success" path="/engineresult.jsp"/>
>>> >
>>> > </action>
>>> >
>>> > Bill
>>> >
>>> > At 11:00 AM 6/18/2001 -0700, Craig R. McClanahan wrote:
>>> >
>>> >
>>> >
>>> >> On Mon, 18 Jun 2001, Peter Alfors wrote:
>>> >>
>>> >> > You do not need an ActionForm. You can read straight from the
>>> >> form
>>> >> > parameters in your action class as you mentioned.
>>> >> >
>>> >>
>>> >> Yes, you can definitely do this. Of course, you give up the
>>> >> automatic
>>> >> stuff that Struts does for you (calling reset(), populating the
>>> >> properties, and calling validate()) in this case.
>>> >>
>>> >> > Pete
>>> >> >
>>> >>
>>> >> Craig
>>> >>
>>> >>
>>> >> >
>>> >> > Bill Firestone wrote:
>>> >> >
>>> >> > > I have hit upon the same problem as this thread, but I didn't
>>> >> see a resolution.
>>> >> > >
>>> >> > > It seems that in Struts 1.0, there must be an ActionForm for
>>> >> every page that has a form in it -- or, indeed, an ActionForm for
>>> >> every form, including one for each form on a page.
>>> >> > >
>>> >> > > I had thought that I could have an Action class that would
>>> >> read the FORM parameters directly, but that I would not need an
>>> >> ActionForm for each screen.
>>> >> > >
>>> >> > > (One of the goals for Struts 1.1 seems to address this.)
>>> >> > >
>>> >> > > Is the above correct, or am I missing something?
>>> >> > >
>>> >> > > Thanks.
>>> >> > >
>>> >> > > Bill Firestone
>>> >> > >
>>> >> > > At 03:09 PM 4/30/2001 +0530, Tewathia, Atul wrote:
>>> >> > > >I feel there is some problem.
>>> >> > > >I tried the same thing but I get the following error on
>>> >> console. It shows
>>> >> > > >that it is trying to instantiate a form bean corresponding
>>> >> to an action
>>> >> > > >mapping. And if i am not specifying one it gives an error.
>>> >> How do I handle
>>> >> > > >this situation when I don't need a form ???
>>> >> > > >
>>> >> > > >OneForm instantiated
>>> >> > > >TwoaeForm instantiated
>>> >> > > >TwokeyForm instantiated
>>> >> > > ><Apr 13, 2001 2:54:59 PM GMT+05:30> <Error> <HTTP>
>>> >> > > ><[WebAppServletContext(446938
>>> >> > > >,threeoseven)] Root cause of ServletException
>>> >> > > >javax.servlet.jsp.JspException: Cannot retrieve definition
>>> >> for form bean
>>> >> > > >null
>>> >> > > > at
>>> >> org.apache.struts.taglib.html.FormTag.lookup(FormTag.java:725)
>>> >> > > > at
>>> >> > >
>>> >> >org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:441)
>>> >>
>>> >> > > > at jsp_servlet._two._jspService(_two.java:345)
>>> >> > > > at
>>> >> weblogic.servlet.jsp.JspBase.service(JspBase.java:27)
>>> >> > > > at
>>> >> > >
>>> >> >weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
>>> >>
>>> >> > > >
>>> >> > > >the config.xml used by me is here ...
>>> >> > > >
>>> >> > > ><struts-config>
>>> >> > > > <form-beans>
>>> >> > > > <form-bean name="oneForm"
>>> >> type="org.apache.struts.myprog.OneForm"/>
>>> >> > > > <form-bean name="twokeyForm"
>>> >> > > >type="org.apache.struts.myprog.TwokeyForm"/>
>>> >> > > > <form-bean name="twoaeForm"
>>> >> type="org.apache.struts.myprog.TwoaeForm"/>
>>> >> > > > </form-beans>
>>> >> > > > <action-mappings>
>>> >> > > > <action path="/One"
>>> >> type="org.apache.struts.myprog.OneAction"
>>> >> > > >name="oneForm">
>>> >> > > > <forward name="Two" path="/Two.jsp" />
>>> >> > > > </action>
>>> >> > > > <action path="/Twoae"
>>> >> type="org.apache.struts.myprog.TwoAction"
>>> >> > > >name="twoaeForm">
>>> >> > > > <forward name="Three" path="/Three.jsp" />
>>> >> > > > </action>
>>> >> > > > <action path="/Twokey"
>>> >> type="org.apache.struts.myprog.TwoAction"
>>> >> > > >name="twokeyForm">
>>> >> > > > <forward name="Three" path="/Three.jsp" />
>>> >> > > > </action>
>>> >> > > > <action path="/Twoprev"
>>> >> type="org.apache.struts.myprog.TwoAction">
>>> >> > > > <forward name="One" path="/One.jsp" />
>>> >> > > > </action>
>>> >> > > > </action-mappings>
>>> >> > > ></struts-config>
>>> >> > > >
>>> >> > > >
>>> >> > > >-----Original Message-----
>>> >> > > >From: Tobias Meyer [mailto:[EMAIL PROTECTED]]
>>> >> > > >Sent: Wednesday, April 18, 2001 4:17 PM
>>> >> > > >To: [EMAIL PROTECTED]
>>> >> > > >Subject: RE: No ActionForm Bean Required
>>> >> > > >
>>> >> > > >
>>> >> > > >Hi Stanley,
>>> >> > > >
>>> >> > > >> Let's say I have a link that allows a user to empty
>>> >> his/her shopping
>>> >> > > >> cart. The link to empty the cart points to "/empty.do".
>>> >> I
>>> >> > > >> do not believe
>>> >> > > >> this requires an ActionForm bean (PLEASE, correct me if I
>>> >> am
>>> >> > > >> wrong). Nonetheless, I have specified an ActionForm Bean
>>> >> > > >> because it is
>>> >> > > >> required:
>>> >> > > >>
>>> >> > > >> <action path="/empty"
>>> >> > > >> type="EmptyAction"
>>> >> > > >> name="buyBean"
>>> >> > > >> scope="request">
>>> >> > > >> <forward name="success" path="/viewcart.jsp"/>
>>> >> > > >> </action>
>>> >> > > >>
>>> >> > > >> The bean is NOT used and has nothing to do with emptying
>>> >> the shopping
>>> >> > > >> cart. Do I just accept that it works? Or am I designing
>>> >> the program
>>> >> > > >> wrong? Please help.
>>> >> > > >
>>> >> > > >You don't have to specifiy an ActionForm if you don't need
>>> >> one.
>>> >> > > >Watch the LogoffAction in the example shipped with struts:
>>> >> > > >
>>> >> > > ><!-- Process a user logoff -->
>>> >> > > ><action path="/logoff"
>>> >> > > > type="org.apache.struts.example.LogoffAction">
>>> >> > > > <forward name="success"
>>> >> path="/index.jsp"/>
>>> >> > > ></action>
>>> >> > > >
>>> >> > > >Hope this helps,
>>> >> > > >
>>> >> > > >Tobias Meyer
>>> >> >
>>> >> >
>>> >
