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https://issues.apache.org/jira/browse/ISIS-1447?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15335573#comment-15335573
 ] 

ASF subversion and git services commented on ISIS-1447:
-------------------------------------------------------

Commit 93773e69dadc4c64450b8483aba9ce6a55245734 in isis's branch 
refs/heads/master from [~danhaywood]
[ https://git-wip-us.apache.org/repos/asf?p=isis.git;h=93773e6 ]

ISIS-1447: disables behaviour that (we believe) may cause 500 errors for 
Restful Objects server (Shiro authentication).

As per http://markmail.org/message/hsjljwgkhhrzxbrm, we believe that the 
auto-logout behaviour within the IsisSessionFilter for Restful Objects, if 
configured to use Shiro, may result in a 500 errors in certain race conditions. 
 This commit removes this auto-logout behaviour (simply continue to use the 
existing Shiro credentials).  The original behaviour can be reinstated using a 
new configuration parameter.


> Avoid possible race-condition resulting in 500 errors under the Restful 
> Objects viewer
> --------------------------------------------------------------------------------------
>
>                 Key: ISIS-1447
>                 URL: https://issues.apache.org/jira/browse/ISIS-1447
>             Project: Isis
>          Issue Type: Improvement
>          Components: Core: Security: Shiro
>    Affects Versions: 1.12.2
>            Reporter: Dan Haywood
>            Assignee: Dan Haywood
>             Fix For: 1.13.0
>
>
> As per http://markmail.org/message/hsjljwgkhhrzxbrm
> Instead, auto-logout if find that session is already authenticated.
> In case this new approach introduces more problems than it resolves, allow 
> the the current (occasionally broken) behaviour to be re-enabled using a 
> configuration parameter.



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