Hi Brad,

Have you tried this:
http://www.vitarara.org/cms/struts_2_cookbook/post_and_redirect

I've used this for a while with good results, although recently I've
stumbled on WW-2170 ( https://issues.apache.org/struts/browse/WW-2170 ).  It
seems to occur only when using annotations though.

Cheers,
GB


Brad A Cupit wrote:
> 
> The only problem with the scope plugin is that it will use the session,
> which may break the whole notion of POST-redirect-GET: if the data in
> the session is removed or replaced by later requests, then pressing the
> back or refresh buttons on the initial page with errors will not yield
> the same response.
> 
> I think it would be cool if the errors were url parameters as part of
> the redirect, but there's currently no easy way to do this. Could a
> custom interceptor realize that the result is a redirect and turn the
> validation errors into url parameters? Or would this need to be a custom
> result class (perhaps extending ServletRedirectResult or
> ServletActionRedirectResult)?
> 
> Brad Cupit
> Louisiana State University - UIS
> 
> -----Original Message-----
> From: Jeromy Evans [mailto:[EMAIL PROTECTED] 
> Sent: Tuesday, April 08, 2008 6:24 PM
> To: Struts Users Mailing List
> Subject: Re: interesting proxy + action chain issue
> 
> Ian Meikle wrote:
>> HI,
>>
>> I have been following this post with interest since I used the PRG
> pattern 
>> in previous projects.
>> We are using struts 2 in are current project and I like the
> errorMessages 
>> behaviour that is part of the Action.
>>
>> Is it possible to persist these over the PRG cycle ?
>> By default I assume they would be lost when we get to the GET stage
> since 
>> they are request scope and the GET is a seperate request than the POST
> 
>> that caused  the error.
>>
>>   
> 
> Hi Ian,
> This is an issue that Struts2 needs to handle better.  It can be done 
> but its not as straight-forward as it could be.
> 
> The scope interceptor [1] provides this feature. It allows you to 
> specify which properties should be bound to session or application scope
> 
> and injected into the action.
> The scoped modeldriven interceptor is for modeldriven actions [2].  Both
> 
> are included in the default stack.
> 
> The scope plugin allows annotations to specify which properties persist 
> over a cycle.  It's not bundled with struts but I have heard good 
> comments about it [4].
> 
> [1] http://cwiki.apache.org/WW/scope-interceptor.html
> [2] http://cwiki.apache.org/WW/scoped-model-driven-interceptor.html
> [3] http://cwiki.apache.org/S2PLUGINS/scope-plugin.html
> [4] http://article.gmane.org/gmane.comp.jakarta.struts.devel/65052
> 
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