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https://jira.jboss.org/jira/browse/JBSEAM-4495?page=com.atlassian.jira.pl...
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Dan Allen commented on JBSEAM-4495:
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Here's how to address the specific problem filed in this issue report (so it works
with any version of JSF).
The page action in question handles the case where, if you are signed in already when you
request /home.seam, you are directed from the home page to the main (search) page. So the
correct rule that handles both outcomes is as follows:
<page view-id="/home.xhtml" action="#{identity.isLoggedIn}">
<navigation from-action="#{identity.isLoggedIn}">
<rule if-outcome="true">
<redirect view-id="/main.xhtml"/>
</rule>
<rule if-outcome="false">
<render view-id="/home.xhtml"/>
</rule>
</navigation>
...
</page>
Note the use of the <render> tag. The <render> navigation does not trigger
another invocation of the page actions, so it is a safe way to "exit out" to the
current view.
To sum things up, in JSF 2.0 (as it stands now), you have to deal with each of the
possible non-null outcome values of a page action, or else implicit navigation is going to
kick in. Annoying, but a safe work around.
Page actions do not work with JSF 2.0
-------------------------------------
Key: JBSEAM-4495
URL:
https://jira.jboss.org/jira/browse/JBSEAM-4495
Project: Seam
Issue Type: Bug
Components: JSF Integration
Affects Versions: 2.2.0.GA
Reporter: Jozef Hartinger
Assignee: Norman Richards
Priority: Blocker
Fix For: 2.2.1.CR1
Looks like implicit navigation in JSF 2.0 messes up with page actions in Seam. For
instance, the following page action from the booking example:
<page view-id="/home.xhtml" action="#{identity.isLoggedIn}">
seems to cause the result of the action (false) to be taken as an implicit navigation
information and the application fails with
HTTP Status 404 - /seam-booking/false.seam
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