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Posted to derby-dev@db.apache.org by "Mamta A. Satoor (JIRA)" <ji...@apache.org> on 2007/02/12 20:36:06 UTC

[jira] Commented: (DERBY-2220) Uncommitted transactions executed throught XAResource will held locks after the application terminates (or crashes during the transaction).

    [ https://issues.apache.org/jira/browse/DERBY-2220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12472394 ] 

Mamta A. Satoor commented on DERBY-2220:
----------------------------------------

Julius, I went through the patch and it looks good and well commented. I was curious though if the existing method rollbackTransaction(Xid xid) in DRDAXAProtocol can be used to do some/all of the work done by the new method abortCurrentTransaction()

> 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: d2220_beta.diff, 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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