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https://issues.apache.org/jira/browse/ISIS-2903?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andi Huber resolved ISIS-2903.
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Resolution: Fixed
{color:#1d1c1d}I found that {color}_Action_{color:#1d1c1d} clicks do trigger
their own AJAX request-cycle in {color}{_}Wicket{_}{color:#1d1c1d}, which we
historically used to build the Action-result's
{color}{{EntityPage}}{color:#1d1c1d} instance and then passed this instance to
{color}{{RequestCycle.get().setResponsePage(entityPage)}}{color:#1d1c1d} for
Wicket to render with the next request-cycle{color}{_}.{_} {color:#1d1c1d}I
also learned, when this next request-cycle happens to run on a different
thread, this will not work.{color}{color:#1d1c1d}A first fix I have done, is to
not build the {color}{{EntityPage}}{color:#1d1c1d} within the AJAX
request-cycle, instead just create the bookmark for the Action's result, which
we then pass over to the next request-cycle, that renders the page using
{color}{{{}PageParameters{}}}{color:#1d1c1d}. That way we guarantee, the
{color}{{EntityPage}}{color:#1d1c1d} is built from scratch before rendering.
Meaning, all contained entities are also attached to their persistence
layer.{color}
> Recreation fails for ViewModels containing Entities
> ---------------------------------------------------
>
> Key: ISIS-2903
> URL: https://issues.apache.org/jira/browse/ISIS-2903
> Project: Isis
> Issue Type: Bug
> Components: Isis Core, Isis Examples Demo App
> Reporter: Andi Huber
> Assignee: Andi Huber
> Priority: Blocker
> Fix For: 2.0.0-M7
>
>
> reproduce ... [Demo] Nature Stateful Refs Entity
> Various glitches:
> 'add Child' ... no choices given
> 'add All' ... throws
> java.lang.IllegalStateException: entity demo.JaxbRefEntity is required to
> have a memoized ID, otherwise cannot re-attach
> Also click on VM's title (reload page) throws.
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