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https://issues.apache.org/jira/browse/DERBY-2220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12466753
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Julius Stroffek commented on DERBY-2220:
----------------------------------------

A discussion about the issue at derby-dev could be found at:

http://www.nabble.com/Rollback-is-not-executed-only-for-XA-sessions-after-the-socket-is-closed.-tf2940001.html#a8220033

> Uncommitted transactions executed throught XAResource will held locks after 
> the application terminates (or crashes during the transaction).
> -------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2220
>                 URL: https://issues.apache.org/jira/browse/DERBY-2220
>             Project: Derby
>          Issue Type: Bug
>    Affects Versions: 10.3.0.0
>         Environment: Solaris Nevada build 49, Sun's JDK1.6
>            Reporter: Julius Stroffek
>         Assigned To: Julius Stroffek
>         Attachments: XATranTest.java, xxx.sql
>
>
> Using this piece of code derby will not release a table lock of 'dummy' table.
>             String query = "insert into dummy (field1) values ('" + 
> Integer.toString(value) + "')";
>             XAConnection xaConnection = 
> createXAConnection("jdbc:derby://localhost:1527/TestDB", "", "");
>             XAResource xaResource = xaConnection.getXAResource();
>             conn = xaConnection.getConnection();
>             
>             Xid xid = createXid(value);        
>             xaResource.setTransactionTimeout(10);
>             xaResource.start(xid, XAResource.TMNOFLAGS);
>             
>             Statement statement = conn.createStatement();
>             statement.execute(query);        
>             
>             // terminate the client application
>             // this will not release any locks
>             System.exit(0);

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