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https://issues.apache.org/jira/browse/DERBY-2432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julius Stroffek updated DERBY-2432:
-----------------------------------

    Attachment: d2432_v4.stat
                d2432_v4.diff

I have created an additional patch.

changes:
XATransactionState:
- Added a timeout task cancellation to xa_prepare() method.
- Common code from xa_commit/rollback/prepare moved
  to xa_finalize()
- Some more comments added to cancel()

I am running the tests now. However, the change should not affect the tests. 
I'll post the results after tests will finish.

> Unimplemented transaction time out for XA transactions may cause that locks 
> will not be released when client terminates outside a unit of work.
> -----------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2432
>                 URL: https://issues.apache.org/jira/browse/DERBY-2432
>             Project: Derby
>          Issue Type: New Feature
>          Components: JDBC
>            Reporter: Julius Stroffek
>            Assignee: Julius Stroffek
>             Fix For: 10.3.0.0
>
>         Attachments: d2432.diff, d2432.stat, d2432_v2.diff, d2432_v2.stat, 
> d2432_v3.diff, d2432_v3.stat, d2432_v4.diff, d2432_v4.stat, description.txt
>
>
> The XAResource interface provides function setTransactionTimeout which is 
> currently not supported in derby.
> When client application uses client driver to connect to derby database and 
> the application crashes outside the unit of work of XA transaction and the 
> transaction is not committed or rolled back yet the locks held by the 
> transaction will not be released.

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