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https://jira.terracotta.org/jira//browse/CDV-206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_22986
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Tim Eck commented on CDV-206:
-----------------------------

revision 5600 adds a workaround for this problem, but isn't a real fix 
(http://svn.terracotta.org/fisheye/changelog/Terracotta/?cs=5600)

Maybe we should move the mechanism for declaring a webapp to get DSO session 
management? A terracotta specific descriptor file under WEB-INF inside of a war 
would be clear and is well established technique. It is slightly less "drop-in" 
though

> cannot selectively enable DSO sessions for a common context path accross 
> virtual hosts
> --------------------------------------------------------------------------------------
>
>                 Key: CDV-206
>                 URL: https://jira.terracotta.org/jira//browse/CDV-206
>             Project: Community Development
>          Issue Type: New Feature
>          Components: Sessions
>            Reporter: Tim Eck
>            Assignee: Product Management
>
> The TC config one specifies the set of context paths for which to enable DSO 
> sessions. Using virtual hosts, it is possible for a single tomcat instance to 
> serve more than one application at the same context path (eg. 
> http://vhost1.example.com/webapp and http://vhost2.example.com/webapp). So, 
> if you say "webapp" in TC config, both of these contexts get DSO sessions. 
> This might not be what someone wants :-) 
> Additionally, we end up using the same underlying sessions map in this case 
> increasing the risk that session data might leak between the two apps.
> No idea if this problem is only specific to tomcat or not (even if it is, it 
> means all the tomcat variants out there inherit this issue (eg. jboss, 
> geronimo, glassfish, etc).

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