Sorry for a late reply :(
pt., 20 sty 2023 o 02:28 Kris O'Neil <kris.on...@petrosys.com.au> napisał(a):
> > Does it mean you have something else on top of the stack than action?
> The original action, held in the background process, is at the top of the
> stack. This is the object we want returned when "JSONResult.findRootObject"
> is called. The second object in the stack is the action created by the
> polling request to get a progress update. The change in 6.0.0 to call
> 'stack.findValue("#action")' returns the second object in the stack. As the
> polling action is never executed and instead delegated to the background
> progress, there's no data returned by the second action i.e. no progress
> information.
I wonder why stack.findValue("#action") returns the second action not
the top action, I need to investigate this
> > If this is a ModelDriven it should be fine as well as there is a code to
> > detect that.
> I have changed my action to implement ModelDriven to get around the code
> change to JSONResult. If this is now a requirement of using the
> ExecuteAndWaitInterceptor, the documentation may need to be updated -
> https://struts.apache.org/core-developers/execute-and-wait-interceptor
No, it shouldn't be, I would say it's rather a recommendation to use
ModelDriven instead of action itself. As far as I understand, by
implementing ModelDriven you don't have to specify the "root" object
in the JSON result as ModelDriven is used directly, right?
> >> Workaround:
> >> Changing the action to implement 'ModelDriven' reinstates the old
> >> behaviour of calling 'stack.peek()' in the JSONResult.findRootObject(...)
> >> method.
> > Thanks, but what else can it be?
> Ideally, the action from the background process would be returned by
> "JSONResult.findRootObject" without the need for the action to implement
> ModelDriven. Could the ExecuteAndWaitInterceptor add the action to the
> context with the key 'action'? I'm not sure if there would be other
> implications of changing the action in this way.
I will try to dig into that, I understand your concern
Regards
--
Łukasz
+ 48 606 323 122 http://www.lenart.org.pl/
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