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https://issues.apache.org/jira/browse/WICKET-6847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17227336#comment-17227336
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Emond Papegaaij commented on WICKET-6847:
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I'm looking at the change by [~mgrigorov] once more and I think it is
incorrect. {{RequestPageStore.addPage}} is called from {{Page.onInitialize}},
which can be called from {{Page.isPageStateless}} and now
{{RequestPageStore.addPage}} calls {{Page.isPageStateless}} again. IMHO this is
bound to give problems. Here's a stack dump from our application (on 9.1.0):
{code}
RequestPageStore.addPage(IPageContext, IManageablePage) line: 62
DecoratablePageManager(PageManager).touchPage(IManageablePage) line: 67
DecoratablePageManager.touchPage(IManageablePage) line: 22
PageAccessSynchronizer$1.touchPage(IManageablePage) line: 150
ConfigApplicationPage(Page).onInitialize() line: 301
ConfigApplicationPage(AbstractKeyHubPage).onInitialize() line: 64
ConfigApplicationPage(AbstractSecureKeyHubPage).onInitialize() line: 84
ConfigApplicationPage(AbstractKeyHubAdminPage).onInitialize() line: 57
ConfigApplicationPage.onInitialize() line: 25
ConfigApplicationPage(Component).fireInitialize() line: 874
ConfigApplicationPage(MarkupContainer).internalInitialize() line: 1050
ConfigApplicationPage(Page).isPageStateless() line: 461
{code}
> async page storing fails with flush before detach without session
> -----------------------------------------------------------------
>
> Key: WICKET-6847
> URL: https://issues.apache.org/jira/browse/WICKET-6847
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 9.1.0
> Reporter: Sven Meier
> Assignee: Martin Tzvetanov Grigorov
> Priority: Minor
> Fix For: 9.2.0
>
>
> Since WICKET-6831 the response is flushed before detach.
> RequestPageStore delays storing all of stateful pages until detach; at that
> moment AsynchronousPageStore can no longer acquire the required session id.
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