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From "David Sean Taylor (JIRA)" <jetspeed-...@portals.apache.org>
Subject [jira] Resolved: (JS2-860) Implement a second, Versioned Portlet Application Manager
Date Thu, 27 Mar 2008 19:09:24 GMT

     [ https://issues.apache.org/jira/browse/JS2-860?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

David Sean Taylor resolved JS2-860.

    Resolution: Fixed

>  Implement a second, Versioned Portlet Application Manager 
> -----------------------------------------------------------
>                 Key: JS2-860
>                 URL: https://issues.apache.org/jira/browse/JS2-860
>             Project: Jetspeed 2
>          Issue Type: New Feature
>    Affects Versions: 2.2
>            Reporter: David Sean Taylor
>            Assignee: David Sean Taylor
>             Fix For: 2.2
>  Implement a second, Versioned Portlet Application Manager for clustered environments
> We are running into limitations with the NodeManager-based cluster support when deploying
to clusters with replicated databases as well as replicated app servers.
> The default PAM (Portlet Application Manager) is not-appropriate for many deployments
of the portal. I am implementing a second version of the PAM, with no listeners,
> and a simpler deployment algorithm based on a version number supplied in the jetspeed-portlet.xml
> If this field is not found, or if it is equal to or less than the version in the database,
then the PA will not be deployed.
> This will allow for dropping in 2..n PAs in a cluster, without re-registering. The problem
with re-registering is that the registry algorithm deep deletes the old PA def from the database,
> create a new PA, with all new OIDs, invalidating all other PAs and portlets on other
nodes in the cluster.

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