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https://issues.apache.org/jira/browse/MYFACES-4605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17732725#comment-17732725
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Werner Punz commented on MYFACES-4605:
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Sorry for the delay, I will start with this issue tomorrow, this bug should
only affect the 2.3 and 3.0 versions of the code, 4.0 definitely does not have
it, I spent a ton of time on 4.0 to get this right and spec conform!
Cross form submit I think either was introduced in 2.2 or 2.3 cannot remember
anymore (aka have to look that up)!
Before that we had a config parameter which enforced that the forms were all
updated at once!
> Cross form rending via ajax, form is missing ViewState
> ------------------------------------------------------
>
> Key: MYFACES-4605
> URL: https://issues.apache.org/jira/browse/MYFACES-4605
> Project: MyFaces Core
> Issue Type: Bug
> Affects Versions: 3.0.1
> Reporter: Joe Crichton
> Assignee: Werner Punz
> Priority: Major
>
> Seems this is an old issue, which was presumably fixed for MyFaces in 2.2 as
> discussed here
> [https://balusc.omnifaces.org/2011/09/communication-in-jsf-20.html#AjaxRenderingOfContentWhichContainsAnotherForm|https://balusc.omnifaces.org/2011/09/communication-in-jsf-20.html#AjaxRenderingOfContentWhichContainsAnotherForm),]
> and [https://github.com/jakartaee/faces/issues/790]
> Using openliberty with jsf-3.0 feature still has this occurring. Using the
> workaround outlined by the first link fixes the issue. I believe the same is
> true for the jsf-2.3 feature as well.
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