[jbossts-issues] [JBoss JIRA] Assigned: (JBTM-532) Connection leak if the DBMS is not mapped into the ModifierFactory or if the DBMS does not support multiple connections

Mark Little (JIRA) jira-events at lists.jboss.org
Mon Jul 6 10:37:52 EDT 2009


     [ https://jira.jboss.org/jira/browse/JBTM-532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Little reassigned JBTM-532:
--------------------------------

    Assignee: Mark Little


> Connection leak if the DBMS is not mapped into the ModifierFactory or if the DBMS does not support multiple connections
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: JBTM-532
>                 URL: https://jira.jboss.org/jira/browse/JBTM-532
>             Project: JBoss Transaction Manager
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: JTA
>    Affects Versions: 4.5.0, 4.6.0
>         Environment: Spring + JBossJTA
>            Reporter: Mauro Molinari
>            Assignee: Mark Little
>            Priority: Blocker
>
> When a close() is issued on a ConnectionImple() before transaction termination (and this can happen because of Spring JTA infrastructure calling org.springframework.jdbc.datasource.DataSourceUtils.ConnectionSynchronization.beforeCompletion()) and either:
> - the ModifierFactory has no information about the DBMS in use (PostgreSQL, for instance...)
> or
> - the modifier for the DBMS says that it does not support multiple connections in a single transaction
> then, the synchronization that should close the connection after transaction completion is not registered and the connection is lost!
> This is at lines 349-359 of com.arjuna.ats.internal.jdbc.ConnectionImple in JBossTS 4.5.0 GA codebase.
> IMHO, the synchronization should always be registered unless we are sure that multiple connections in a single transaction are not supported. I have no idea of what should happen in the latter case...

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