I'm guessing that you have something like this.myList = populateList();
inside your execute() method. When validation fails, it just sends you back to the jsp without redoing execute(), so of course the list will be null. -Brian On Tue, Jan 26, 2010 at 10:26 AM, nani2ratna <nani2ra...@gmail.com> wrote: > > Hi Brian, > I have seen that interface. > If I got more than one action method in one action class. > Then when ever you execute/call method(action) in that action class, > this prepare method will be called and this setting of list will be > executed. > > But My main question why the list setting to null value. > Isn't it a big, can't we fix it. > > And in my company i fought with everybody to bring struts2 into project. > And now i don't have any answer to this, untill any guys help me. > > Thanks > RS > > > > Brian Thompson-5 wrote: > > > > You might look into using the Preparable interface [1]. It's useful for > > these types of situations; just add the code to generate the list into a > > prepare() method on your action class instead of in execute(). > > > > Hope this helps, > > > > -Brian > > > > [1] - > > > http://www.opensymphony.com/xwork/api/com/opensymphony/xwork2/Preparable.html > > > > > > > > On Tue, Jan 26, 2010 at 7:22 AM, nani2ratna <nani2ra...@gmail.com> > wrote: > > > >> > >> Hi, > >> > >> I am using struts2, spring with spring convention plugin. > >> SO all my action classes has been specified in application-Context.xml. > >> One of my action class got Bean as a property. So I can dealt with the > >> bean > >> properties in JSP. > >> > >> The problem, when I am working with my validation i am getting Error > >> messages repeated problem. > >> Solution for this one is change scope to prototype. > >> > >> Now I got another problem, I got a list box in jsp page. If validation > >> fails > >> I am getting the following error. > >> could not be resolved as a collection/array/map/enumeration/iterator > type > >> > >> This is happening because, list in Javabean becoming null when > validation > >> fails. > >> > >> Then i changed scope="request". And i have added cglib.jar. > >> Now i am getting following error. > >> > >> org.springframework.beans.factory.BeanCreationException: Error creating > >> bean > >> with name 'scopedTarget.pmaction': Scope 'request' is not active for the > >> current thread; consider defining a scoped proxy for this bean if you > >> intend > >> to refer to it from a singleton; nested exception is > >> java.lang.IllegalStateException: No thread-bound request found: Are you > >> referring to request attributes outside of an actual web request, or > >> processing a request outside of the originally receiving thread? If you > >> are > >> actually operating within a web request and still receive this message, > >> your > >> code is probably running outside of DispatcherServlet/DispatcherPortlet: > >> In > >> this case, use RequestContextListener or RequestContextFilter to expose > >> the > >> current request. > >> > >> > >> So if you have list box in jsp page and need to do validation on that > jsp > >> page. ANd you configured all your action classes in Spring appContext > >> file. > >> You wont succeed. > >> > >> Is that correct. Or is there any solution. > >> > >> Thanks and Regards > >> RS > >> -- > >> View this message in context: > >> > http://old.nabble.com/Struts2-Validation-with-Spring-convention-plugin-tp27322517p27322517.html > >> Sent from the Struts - User mailing list archive at Nabble.com. > >> > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: user-unsubscr...@struts.apache.org > >> For additional commands, e-mail: user-h...@struts.apache.org > >> > >> > > > > > > -- > View this message in context: > http://old.nabble.com/Struts2-Validation-with-Spring-convention-plugin-tp27322517p27325427.html > Sent from the Struts - User mailing list archive at Nabble.com. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@struts.apache.org > For additional commands, e-mail: user-h...@struts.apache.org > >
