[jboss-jira] [JBoss JIRA] Commented: (JBAS-6568) PersistenceManager should retry all DB operations for a reasonable amount of tries

[Rico Neubauer (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBAS-6568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12455345#action_12455345 ] 

Rico Neubauer commented on JBAS-6568:
-------------------------------------

Wrong component - should have been "JMS (JBossMQ)" - please move, thx.

> PersistenceManager should retry all DB operations for a reasonable amount of tries
> ----------------------------------------------------------------------------------
>
>                 Key: JBAS-6568
>                 URL: https://jira.jboss.org/jira/browse/JBAS-6568
>             Project: JBoss Application Server
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>          Components: JMS (JBoss Messaging)
>    Affects Versions: JBossAS-4.2.3.GA
>            Reporter: Rico Neubauer
>            Assignee: Clebert Suconic
>         Attachments: PersistenceManager_4_2_3_GA.diff
>
>
> org.jboss.mq.pm.jdbc2.PersistenceManager does contain a simple logic in method remove(MessageReference, Tx) to retry a DB operation and therefore bypass sporadic temporary DB failures.
> This should be extended to the other DB-operations of PersistenceManager.
> Tests using a JDBC-driver throwing randomly arbitrary SQLExceptions showed this resolving most of them and keeping the system in a consistent state.
> Tests without a patched PersistenceManager ran quite fast into a dead end where JMS messages were not being processed anymore until restart of the AS - also see http://www.jboss.org/index.html?module=bb&op=viewtopic&t=151023 for this symptom.
> Proposed patch will get attached.

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