[ http://jira.jboss.com/jira/browse/JBJCA-16?page=comments#action_12314913 
]
     
Adrian Brock commented on JBJCA-16:
-----------------------------------

As for you hack:

It would be possible to add a ManagedConnectionFactory property
to control this behaviour.
Allowing you to add something like the following in your -ds.xml

<lazy-auto-commit>false</lazy-auto-commit>

which would always do the full setAutoCommit() protocol.

> Changing readonly after autocommitt set to false fails with C-JDBC Driver
> -------------------------------------------------------------------------
>
>          Key: JBJCA-16
>          URL: http://jira.jboss.com/jira/browse/JBJCA-16
>      Project: JBoss JCA
>         Type: Bug
>     Versions: JBossAS-4.0.1
>     Reporter: youngm
>     Assignee: Adrian Brock

>
>
> In the C-JDBC JDBC Connection driver it uses autoCommit=false to determine if 
> it is in a transaction when changing readOnly.
> Unfortunatly LocalManagedConnection sets autoCommit=false prior to 
> "checkState()" which synchronizes the readOnly property with the underlying 
> connection.  This approach works fine with most JDBC drivers with but not 
> with C-JDBC.  Looking at the JDBC 3 spec (10.1) JDBC says:
> "Typically, a new transaction is started when the current SQL statement 
> requires one and there is
> no transaction already in place."
> The key word being "Typically".  So it appears that it may be within C-JDBC's 
> right to declare a transaction started once setAutoCommit=false.
> So, would there be any problem with changing LocalManagedConnection.begin() 
> to call checkState() prior to setting autoCommit in the underlying connection?
> Mike

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