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https://issues.apache.org/jira/browse/DERBY-2220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12472571
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Julius Stroffek commented on DERBY-2220:
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Mamta: The existing method will send also some DRDA stuff to the socket so the
existing one can not be used. I can create a new method to do the common stuff
for both methods but I decided that the code for it would be too simple.
Knut: Yes, I agree with you but currently I am not quite sure in which methods
I can disassociate the transaction to be aborted. To clear the xid in endXA()
is quite safe but I would like to consider also to clear it only during commit.
The question is whether the global transaction might be committed on a
different connection. I will try to dig this out.
> 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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