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Posted to dev@myfaces.apache.org by "Bill Lucy (Jira)" <de...@myfaces.apache.org> on 2019/11/06 18:46:00 UTC

[jira] [Created] (MYFACES-4309) Session is broken in some cases due to MYFACES-4297

Bill Lucy created MYFACES-4309:
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             Summary: Session is broken in some cases due to MYFACES-4297
                 Key: MYFACES-4309
                 URL: https://issues.apache.org/jira/browse/MYFACES-4309
             Project: MyFaces Core
          Issue Type: Bug
    Affects Versions: 2.3.5
            Reporter: Bill Lucy
            Assignee: Bill Lucy


The changes made for MYFACES-4297 introduced a problem: in some cases a session is not created early enough for a session cookie to be written out on a response before it is committed, due to the small default response buffer size.  As mentioned in the comments for 4297, that behavior causes a problem for the ViewScope (and I expect the session as well.) 

As discussed, increasing the javax.faces.FACELETS_BUFFER_SIZE is a workaround, but that's not ideal for a few reasons:
1. apps using the default buffer size value will be broken by the new behavior when updating to 2.3.5
2. there doesn't appear to be a way to update the buffer size for JSPs

We should consider revisiting the changes made in MYFACES-4297.  Or, if nothing else, we might want to add some way to change the default buffer size on the JSP path.



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