[jbossts-issues] [JBoss JIRA] (JBTM-2725) Race condition in ControlWrapper

Tom Jenkinson (JIRA) issues at jboss.org
Fri Aug 26 05:11:01 EDT 2016

     [ https://issues.jboss.org/browse/JBTM-2725?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tom Jenkinson updated JBTM-2725:
    Forum Reference: https://developer.jboss.org/thread/271935

> Race condition in ControlWrapper
> --------------------------------
>                 Key: JBTM-2725
>                 URL: https://issues.jboss.org/browse/JBTM-2725
>             Project: JBoss Transaction Manager
>          Issue Type: Bug
>          Components: JTS
>    Affects Versions: 5.3.3.Final
>            Reporter: Tomasz Adamski
>            Assignee: Tomasz Adamski
>             Fix For: 5.next
> I have encountered another problem during timeout induced rollback scenario. When the thread rolls back the transaction immediately after the reaper they both end in ControlWrapper#rollback method. This should be synchronized: if it is not both threads may call TransactionImple#rollback method which is not expected and leads to IllegalStateException error. In synchronized scenario second thread in ControlWrapper#rollback method see that the TransactionImple has already been disassociated with the thread and throws TRANSACTION_ROLLEDBACK exception which is expected.

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