Marek Schmidt created JBSEAM-5093:
-------------------------------------
Summary: Seam produces malformed partial response on
ViewExpiredException with Ajax
Key: JBSEAM-5093
URL: https://issues.jboss.org/browse/JBSEAM-5093
Project: Seam 2
Issue Type: Bug
Components: Core
Affects Versions: 2.3.0.Final
Environment: Seam 2.3.1-SNAPSHOT 2013-05-02
082f3b3459893b1c4200b7bd8ce99556f87f0dd0
Reporter: Marek Schmidt
Assignee: Marek Novotny
When ViewExpiredException occurs in an Ajax request, the response is malformed,
containing duplicate partial-response element. This results in the response not
being parsed (and in this case, redirect not being followed).
{noformat}
<?xml version='1.0' encoding='UTF-8'?>
<partial-response><redirect
url="/seam-booking/home.seam?cid=22"></redirect></partial-response><?xml
version="1.0" encoding="UTF-8"?>
<partial-response><redirect
url="/seam-booking/home.seam?cid=22"/></partial-response>
{noformat}
This seems to happen, because there are two rules for the redirection in
pages.xml:
- main.xhtml has login required, handled in Pages.redirectToLoginView()
<page view-id="/main.xhtml" login-required="true">
- exception handler for ViewExpiredException, handled in ExceptionFilter
<exception class="javax.faces.application.ViewExpiredException">
<redirect view-id="/home.xhtml">
...
</exception>
None of the Seam's components involved (ExceptionFilter, Pages, Exceptions,
RedirectHandler, MockExternalContext, ... ?) checks whether the response has
already been written and the redirect partial response gets written twice.
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