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Posted to issues@struts.apache.org by "Paul Benedict (JIRA)" <ji...@apache.org> on 2007/08/20 06:31:34 UTC
[jira] Updated: (STR-1308)
HttpSessionBindingListener.valueUnbound() called on every request to an
ActionForm
[ https://issues.apache.org/struts/browse/STR-1308?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Paul Benedict updated STR-1308:
-------------------------------
Component/s: (was: Extras)
Core
> HttpSessionBindingListener.valueUnbound() called on every request to an ActionForm
> ----------------------------------------------------------------------------------
>
> Key: STR-1308
> URL: https://issues.apache.org/struts/browse/STR-1308
> Project: Struts 1
> Issue Type: Improvement
> Components: Core
> Affects Versions: Future
> Environment: Operating System: All
> Platform: All
> Reporter: Phil McGee
> Priority: Minor
> Fix For: 1.3.5
>
> Attachments: FormTag.diff, RequestProcessor.diff, RequestUtils.diff
>
>
> The behavior of the Struts RequestProcessor prevents the use of the
> HttpSessionBindingListener interface to detect a session timeout on session
> scoped ActionForm beans.
> When an ActionForm derived bean with session scope implements
> HttpSessionBindingListener the valueUnbound() and valueBound()methods are
> called on every client request mapped to that bean. This was observed on
> Tomcat versions 4.04 and 4.1.18. Apparently, the method
> org.apache.struts.action.RequestProcessor.processActionForm() calls
> session.setAttribute()to store the bean in the session even if the bean is
> already stored there. This causes the servlet container to issue a valueUnbound
> () call when the existing reference is removed and a valueBound() call when the
> new reference (to the same bean) is added to the session. This behavior
> prevents the use of those methods to detect and respond to session timeout
> events.
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