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https://issues.apache.org/jira/browse/MYFACES-4033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15159731#comment-15159731
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Thomas Andraschko commented on MYFACES-4033:
--------------------------------------------
Detecting a forward is easy ->
if (request.getAttribute("javax.servlet.forward.request_uri") != null) { //
forward }
I'm just not sure if there is a case when restoring the view after a forward
could be valid. What about url rewrites? do they use forwards internally?
Maybe a valid check is to check the request Url, too (which is
j_security_check).
> Weird behavior with form authencation / forward / restore view
> --------------------------------------------------------------
>
> Key: MYFACES-4033
> URL: https://issues.apache.org/jira/browse/MYFACES-4033
> Project: MyFaces Core
> Issue Type: Bug
> Reporter: Thomas Andraschko
> Assignee: Leonardo Uribe
>
> Following case:
> 1) visit login.xhtml
> with
> <h:form onclick="this.action='j_security_check';">
> <p:inputText id="j_username" />
> <p:password id="j_password" />
> <p:commandButton id="submit" value="Login" ajax="false"/>
> </h:form>
> 2) submit (non-ajax post) with invalid user
> 3) tomcat forwards to the loginError.xhtml
> 4) MyFaces tries to restore the view with the ViewState from login.xhtml
> 5) ViewExpired occurs
> IMO MyFaces should not restore the view after a forward ->
> if (post && forward) {
> -> new view
> }
> else {
> -> restore
> }
> It also works fine in Mojarra.
> [~lu4242] How would you fix it?
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