Volodymyr Siedlecki created MYFACES-4543:
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Summary: Flash Does Not Work with Client Window URL Mode (Enabled
by Default for Flows)
Key: MYFACES-4543
URL: https://issues.apache.org/jira/browse/MYFACES-4543
Project: MyFaces Core
Issue Type: Bug
Affects Versions: 3.0.2, 2.3-next-M7, 2.3.10, 2.2.10, 4.0.0-RC3
Reporter: Volodymyr Siedlecki
This bug was discovered in the faces23/TCK
ee.jakarta.tck.faces.test.javaee8.cdi.Spec1385IT - testInjectFlash.
In a nutshell, setting an attribute on the flash map and then reloading the
page does not work. This is due to to the fact that the application also
contains flows. Flows, by default, require client window mode is set to URL,
and the Flash defaults to use the client window id to track the flash tokens.
[https://github.com/apache/myfaces/blob/18f1f90cd2bdb22330444f77ff5e98097ed84634/impl/src/main/java/org/apache/myfaces/context/flash/FlashImpl.java#L752-L753]
[https://github.com/apache/myfaces/blob/18f1f90cd2bdb22330444f77ff5e98097ed84634/impl/src/main/java/org/apache/myfaces/context/flash/FlashImpl.java#L797-L798]
We could just remove the clientwindow checks (and use flash cookies as in
MyFaces 2.0) , but I think it might be better to check if the current
configuration requires client window url mode. If so, just use flash cookies
instead.
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