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From "David Rees (JIRA)" <j...@apache.org>
Subject [jira] Commented: (TAP5-836) URLEventContext is not Serializable - prevents Tapestry use in a Cluster
Date Tue, 08 Sep 2009 22:53:57 GMT

    [ https://issues.apache.org/jira/browse/TAP5-836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12752809#action_12752809
] 

David Rees commented on TAP5-836:
---------------------------------

That's a good question!  I haven't been able to determine why a URLEventContext is getting
into the session.  A search of my code hasn't turned up any direct uses of it.  Any suggestions
on where to look would be welcome.

> URLEventContext is not Serializable - prevents Tapestry use in a Cluster
> ------------------------------------------------------------------------
>
>                 Key: TAP5-836
>                 URL: https://issues.apache.org/jira/browse/TAP5-836
>             Project: Tapestry 5
>          Issue Type: Bug
>         Environment: CentOS 5.3, Java 1.6.0_14-b08, Tomcat 5.5.27
>            Reporter: David Rees
>            Priority: Critical
>
> I have a Tapestry application which I am trying to use in a Tomcat cluster.
> Tomcat uses Object Input/Output Streams to replicate session data, which requires that
all objects added to a Session implement Serializable.
> In Tapestry 5.0.18 (and all later versions from what I can tell from browsing source),
org.apache.tapestry5.internal.URLEventContext does not implement Serializable which prevents
us from using Tapestry in a cluster.
> Unfortunately, this means that when we have to deploy a new version of our application,
we have to forcibly log everyone out disrupting service.

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