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From "Randy Watler (JIRA)" <jetspeed-...@portals.apache.org>
Subject [jira] Resolved: (JS2-1033) Deadlock during PAM initialization between java prefs and database row locks
Date Mon, 15 Jun 2009 18:45:07 GMT

     [ https://issues.apache.org/jira/browse/JS2-1033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Randy Watler resolved JS2-1033.
-------------------------------

    Resolution: Fixed

Issue resolved by initializing empty registry with root preferences for portlet applications
and entities.

Also modified initialization of preferences provider to ensure preloading was done within
transaction scope. API modification was made to distinguish between init() and preload() functionality
and transaction requirements.

SVN commit: 784908

> Deadlock during PAM initialization between java prefs and database row locks
> ----------------------------------------------------------------------------
>
>                 Key: JS2-1033
>                 URL: https://issues.apache.org/jira/browse/JS2-1033
>             Project: Jetspeed 2
>          Issue Type: Bug
>          Components: Portlet Registry
>    Affects Versions: 2.1.3
>         Environment: Multiple Core Linux x86-64
> Jetspeed 2.1.3
> Initial Deployment
>            Reporter: Randy Watler
>            Assignee: Randy Watler
>             Fix For: 2.1.4
>
>
> Deadlock occurs between java prefs and database row locks when root PAM preferences entries
are included in multiple write transactions in initial system startup when multiple PAs are
registering concurrently.

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