Personally yes I would advise override the validate method Here is the relevant doc http://struts.apache.org/api/org/apache/struts/action/ActionForm.html (most notably implementing Serializable) with the end result to display the ActionError message /*and ultimately */.. process the message returned by ActionError Keep in mind if your validate method returns null you will pass to Action.execute HTH, Martin- ----- Original Message ----- From: "Dom Incollingo" <[EMAIL PROTECTED]> To: "Struts Users Mailing List" <user@struts.apache.org> Sent: Sunday, April 03, 2005 7:30 PM Subject: Re: Form Submitted Twice
> Martin, > > My ActionForm subclasses the struts ValidatorForm class. But it does > not override the validate method. It just uses whatever validate method > it inherits. I checked the source code for the version of ValidatorForm > I am using (the one that came with Struts 1.2.4), and it returns an > ActionErrors object. > > Does the validate method need to be overridden in the ActionForm > subclass? Thanks. > > Dom > > Martin Gainty wrote: > > Dom- > > This depends on the return of your ActionForm validate method > > If you can show us the code and I'll take a look at it tonite > > Thanks, > > Martin- > > ----- Original Message ----- > > From: "Dom Incollingo" <[EMAIL PROTECTED]> > > To: "Struts Users Mailing List" <user@struts.apache.org> > > Sent: Sunday, April 03, 2005 4:25 PM > > Subject: Re: Form Submitted Twice > > > > > > > >>Martin, > >> > >>Thanks very much for the info. > >> > >>I've tried to follow this pattern, both in the servlet-mapping in the > >>web.xml: > >> > >> > >> <servlet-mapping> > >> <servlet-name>pets</servlet-name> > >> <url-pattern>/action/*</url-pattern> > >> </servlet-mapping> > >> > >>and in the action element in the struts-config: > >> > >> <action > >> path="/petDetail" > >> type="com.dom.struts.pets.action.PetDetailAction" > >> scope="request" > >> name="petDetailForm" > >> validate="true" > >> input="/petDetail.jsp"> > >> <forward name="OwnerList" path="/action/getOwnerList"/> > >> <forward name="OwnerDetail" path="/action/ownerDetail"/> > >> <forward name="PetList" path="/action/getPetList"/> > >> <forward name="Success" path="/petDetail.jsp"/> > >> <forward name="Failure" path="/petDetail.jsp"/> > >> <forward name="Logoff" path="/action/logout"/> > >> </action> > >> > >>Evidently, something is not set up correctly, but it's not obvious to me > >>where the problem lies. I'm trying to step thru debug (using Eclipse > >>with Tomcat) to see if I can figure out what struts is having a problem > >>with. > >> > >>Thanks. > >> > >>Dom > >> > >> > >>Martin Gainty wrote: > >> > >>>Dom > >>>Apparently the action tag was not setup properly to ensure validation > > > > before > > > >>>posting to RequestProcessor > >>>To quote James Goodwill and Rick Hightower > >>>For the purposes of simplicity, our sample legacy Web resource will be a > >>>servlet. Essentially, you want the servlet's doGet method to be called > > > > only > > > >>>if the ActionForm validates > >>>e.g. > >>> <servlet-mapping> > >>> <servlet-name>legacy</servlet-name> > >>> <url-pattern>/legacy/roar</url-pattern> > >>> </servlet-mapping> > >>> > >>>Thus, posts to /legacy/roar would cause this servlet's doPost method to > > > > be > > > >>>called. Now, to map this servlet as an action that acts as a form > > > > handler, > > > >>>you need to do this: > >>> > >>> <action > >>> path="/legacy" > >>> forward="/legacy/roar" > >>> input="/form/userForm.jsp" > >>> name="userForm" > >>> parameter="/legacy/roar" > >>> validate="true" > >>> scope="request" > >>> /> > >>>thus > >>>validate attribute is set to true in the action mapping for this > > > > servlet, so > > > >>>the execute method of the ForwardAction is called ONLY if the ActionForm > >>>(UserForm) validates (returns no ActionError objects). > >>> > >>>Makes sense? > >>>Martin- > >>> > >>>----- Original Message ----- > >>>From: "Dom Incollingo" <[EMAIL PROTECTED]> > >>>To: "Struts User" <user@struts.apache.org> > >>>Sent: Saturday, April 02, 2005 6:34 PM > >>>Subject: Form Submitted Twice > >>> > >>> > >>> > >>> > >>>>Hello, > >>>> > >>>>I'm using Struts 1.2.4 (along with the validator framework), and I've > >>>>noticed that for my forms that do a Post, the action class is executed > >>>>twice. I put log statements in my Action class, in the validator > >>>>classes, in the Struts ActionServlet, and in the JSP to try to figure > >>>>out what is happening. The sequence of events is as follows: > >>>> > >>>>- User presses Update button on a JSP > >>>>- doPost method invoked (ActionServlet) > >>>>- Struts validation methods invoked > >>>>- execute method (Action class) entered > >>>>- execute method (Action class) returns forward action of Success > >>>>- processing returns to the same JSP > >> > >>>......................................................................... > >>> > >>>>- doGet method invoked (ActionServlet) > >>>>- Struts validation methods invoked > >>>>- execute method (Action class) entered > >>>>- processing returns to the same JSP > >>>>- web page is displayed on browser > >>>> > >>>>Everything prior to the doGet looks normal. I can't understand why the > >>>>JSP submits a Get request when it should display. The method specified > >>>>in the JSP's form (there is only one form in the JSP) is a Post, not a > >>>>Get. The JSP does not contain any form submission via JavaScript. > >>>> > >>>>I also notice that if I change the method in the JSP's form from Post to > >>>>Get, this problem goes away: the form is submitted only once! > >>>> > >>>>In a related problem, I have a JSP that does have a form with a method > >>>>of Get, but the user never clicks on a button to submit the form. > >>>>Instead, the user clicks on a link with a value like: > >>>> > >>> > >>> > > http://localhost:8080/pets/action/petDetail?userAction=Display&type=Pet&id=2 > > > >>> > >>>> I expect processing to go to the Action class associated with > >>>>'petDetail'. Processing does go there, but first a 'doGet' is processed > >>>>in the ActionServlet, even though a form was not submitted. > >>>> > >>>>Has anyone seen these problems or know what is happening here? Thanks > >>>>very much for your assistance. > >>>> > >>>>Dom > >>>> > >>>>--------------------------------------------------------------------- > >>>>To unsubscribe, e-mail: [EMAIL PROTECTED] > >>>>For additional commands, e-mail: [EMAIL PROTECTED] > >>>> > >>>> > >>> > >>> > >>>--------------------------------------------------------------------- > >>>To unsubscribe, e-mail: [EMAIL PROTECTED] > >>>For additional commands, e-mail: [EMAIL PROTECTED] > >>> > >> > >>-- > >>Linux is like a teepee: no Windows, no Gates, Apache inside. > >> > >>--------------------------------------------------------------------- > >>To unsubscribe, e-mail: [EMAIL PROTECTED] > >>For additional commands, e-mail: [EMAIL PROTECTED] > >> > >> > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > -- > Linux is like a teepee: no Windows, no Gates, Apache inside. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
