It's weird and confusing that inherited methods don't make it into the proxy
class. Took me an age to figure it out, in no small part because I couldn't
find an easy way to inspect the proxy class's methods. My workaround was to
eliminate the @Transactional annotation entirely, and I'm hoping that
doesn't bite me later.
jk
On Tue, May 6, 2008 at 8:38 PM, Wes Wannemacher <[EMAIL PROTECTED]> wrote:
> Sorry I didn't catch this earlier, but I had the exact same problem. It
> would seem that when you use Spring's @Transactional annnotation, the
> class gets proxied... Which I would think is okay, except for the fact
> that inherited methods (such as ActionSupport.input()) do not make it
> into the proxied class. :(
>
> For me, I simply re-factored the @Transactional method out into a
> service class that I have injected into my Action class. IMO, it's ugly,
> but it works.
>
> -Wes
>
> On Tue, 2008-05-06 at 17:36 -0400, Jim Kiley wrote:
> > I solved this problem and I figure that nabble might want to record the
> end
> > reason for the bug.
> >
> > Another method entirely, elsewhere on ProductDetailAction, had a
> > @Transactional annotation. It didn't need one -- I was using injected
> > transaction management and the OpenEntityManagerInViewFilter. Why the
> error
> > message below was generated, instead of "hey dummy, don't use
> @Transactional
> > in this context," is beyond me, but at least it's fixed.
> >
> > jk
> >
> > On Wed, Apr 30, 2008 at 3:47 PM, Jim Kiley <[EMAIL PROTECTED]>
> wrote:
> >
> > > Hi folks,
> > >
> > > I've run into a problem with Struts 2 validation annotations.
> > >
> > > In short -- I have a VisitorFieldValidator on an action POJO named
> > > ProductDetailAction. I have RequiredFieldValidator and
> > > RequiredStringValidator on one field within the "visited" object.
> > >
> > > Now -- ProductDetailAction did not (originally) inherit from
> > > ActionSupport. I could see validation errors cropping up in my log,
> but my
> > > save() method was still executing, because , as I understand it,
> without
> > > ActionSupport (or ValidationAware) there was no way for Struts to
> redirect
> > > my action back to my input() method when it found a validation error.
> > >
> > > If I change the hierarchy so that ProductDetailAction DOES inherit,
> > > indirectly, from ActionSupport, I can't even get to my input() method
> -- my
> > > productDetail JSP doesn't render. Instead I get the following
> exception:
> > >
> > > java.lang.IllegalArgumentException: The input() is not defined in
> action
> > > class $Proxy99
> > > at
> > >
> com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:412)
> > > at
> > >
> com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:267)
> > > at
> > >
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
> > > at
> > >
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:88)
> > > (...)
> > >
> > > I get the same exception if I simply implement ValidationAware in the
> same
> > > way that ActionSupport does.
> > >
> > > I'm including relevant snippets of ProductDetailAction, Product, and
> > > struts.xml below. Does anyone have any insight as to why this might
> be
> > > happening? I'm stumped, and so are my coworkers. Thanks.
> > >
> > > Jim
> > >
> > > -----
> > > ProductDetailAction.java
> > > -----
> > > @Validation
> > > public class ProductDetailAction extends FormularyDetailAction { //
> note:
> > > FormularyDetailAction extends ActionSupport
> > > // snippery
> > >
> > > @Override
> > > @SkipValidation
> > > public String input() throws Exception {
> > > if(id==null || id < 1) {
> > > this.product = new Product();
> > > } else {
> > > this.product = formularyBso.fetchProduct(this.id);
> > > }
> > > return Action.INPUT;
> > > }
> > >
> > > @VisitorFieldValidator(message="")
> > > public Product getProduct() {
> > > return product;
> > > }
> > > // snippery
> > > }
> > > -----
> > > Product.java
> > > -----
> > > @Entity
> > > @Table(name="myrespironics.p_product_versions")
> > > @Validation
> > > public class Product extends FormularyProduct {
> > > //snip
> > > @RequiredFieldValidator(message="Please enter a value.")
> > > @RequiredStringValidator(message="Please enter a value.")
> > > public String getName() {
> > > return name;
> > > }
> > > //snip
> > > }
> > > -----
> > > struts.xml
> > > -----
> > > <struts>
> > > <package name="user" extends="struts-default">
> > > <interceptors>
> > > <interceptor-stack name="myInterceptors">
> > > <interceptor-ref name="exception"/>
> > > <interceptor-ref name="alias"/>
> > > <interceptor-ref name="params"/>
> > > <interceptor-ref name="servletConfig"/>
> > > <interceptor-ref name="prepare" />
> > > <interceptor-ref name="i18n"/>
> > > <interceptor-ref name="chain"/>
> > > <interceptor-ref name="modelDriven"/>
> > > <interceptor-ref name="fileUpload"/>
> > > <interceptor-ref name="checkbox"/>
> > > <interceptor-ref name="staticParams"/>
> > > <interceptor-ref name="params"/>
> > > <interceptor-ref name="conversionError"/>
> > > <interceptor-ref name="validation">
> > > <param
> name="excludeMethods">input,back,cancel</param>
> > > </interceptor-ref>
> > > <interceptor-ref name="workflow">
> > > <param
> name="excludeMethods">input,back,cancel</param>
> > > </interceptor-ref>
> > > </interceptor-stack>
> > > </interceptors>
> > >
> > > <default-interceptor-ref name="myInterceptors"/>
> > > <global-results>
> > > <result name="error">/error.jsp</result>
> > > </global-results>
> > >
> > > <action name="productDetail" class="productDetailAction"
> > > method="input">
> > > <result name="success"
> > > type="redirect-action">productList</result>
> > > <result
> > > name="input">/WEB-INF/secure/formulary/productDetail.jsp</result>
> > > <result name="success-subcategory" type="redirect-action">
> > > <param name="actionName">subcategoryDetail</param>
> > > <param name="parse">true</param>
> > > <param name="id">${subcategoryId}</param>
> > > </result>
> > > </action>
> > >
> > > </package>
> > > </struts>
> > > --
> > > Jim Kiley
> > > Technical Consultant | Summa
> > > [p] 412.258.3346 [m] 412.445.1729
> > > http://www.summa-tech.com
> >
> >
> >
> >
>
>
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>
--
Jim Kiley
Technical Consultant | Summa
[p] 412.258.3346 [m] 412.445.1729
http://www.summa-tech.com
