Richard,
You've got it. An unchecked exception returned to the container causes the
container to orchestrate a rollback automatically. Since the container
handed you the datasources, it registered them with its transaction control
under the hood.
-Chris.
> -----Original Message-----
> From: Richard Backhouse [SMTP:[EMAIL PROTECTED]]
> Sent: Friday, January 21, 2000 7:30 AM
> To: [EMAIL PROTECTED]
> Subject: Entity EJBs + commits,,rollbacks and setAutoCommit
>
> I have wriiten an ejb application that uses bmp entity beans. Some of
> these beans have multiple sql methods that are run in the ejbStore,
> ejbLoad methods etc. I was originally handling of the commits and
> rollbacks myself within the bean. With the release of the j2ee reference
> implementation and the final ejb 1.1 spec I have discovered that the
> handling of commits and rollbacks is not allowed in the bean iteself and
> that this is controlled by the container. This makes sense to me but I
> have not been able to figure out how you let the container know that a sql
> statement has failed and that a rollback needs to be performed. From
> reading the spec and looking at some of the example code made available
> with the j2ee ri the only thing I can see is to catch the SQLException
> within the bean code and package it up as an EJBException and then throw
> it back to the container. I am assumming then that the container will see
> that a SQLException is contained in the thrown EJBException and cal!
> l rollback on the connection. I couldn't find anything in the spec that
> really covered this is detail although I must admit I didn't read it from
> end to end (I really should though :->)
>
> My question is :
> Is this the behavior that bmp entity bean coders can expect from EJB
> Server/Container vendors ?
>
> ==========================================================================
> =
> To unsubscribe, send email to [EMAIL PROTECTED] and include in the
> body
> of the message "signoff EJB-INTEREST". For general help, send email to
> [EMAIL PROTECTED] and include in the body of the message "help".
===========================================================================
To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
of the message "signoff EJB-INTEREST". For general help, send email to
[EMAIL PROTECTED] and include in the body of the message "help".
