----- Original Message -----
From: Richard Monson-Haefel <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, December 14, 1999 7:54 AM
Subject: EJB 1.1: AppExceptions and Tx
> EJB 1.1 Exception Handling section its specifies that that an
> application exception thrown from a container initiated transaction (one
> that starts with the bean invocation) may or may not indicate a
> transaction rollback. This seems flawed to me. The bean should be
> required to throw a system exception (possibly wrapping a application
> exception) if a transaction roll back is forced
> (EJBContext.rollbackOnly()). Also the container should throw a
> RemoteExcepton if the bean explicitly rolls back the transaction or if
> the container fails to commit the transaction after receiving an App
> Exception.
>
> As it stands now, an application exception thrown by a bean that started
> its own transaction (Required, Required New) may or may not indicate
> that the transaction was rolled back. Since there is no way to check on
> the success of the transaction from the bean's client, their is no way
If the client gets an application exception, it knows that the bean's transaction
was not rolled back at the end of the method. If the client runs in the same
transaction as the bean that threw the exception, the client's transaction
might have been marked for rollback by the bean. The client can find out
by inquiring about the transaction status.
> to recover or even to know if a recovery is necessary. IMO this is a
> serious flaw in the exception handling model introduced in EJB 1.1
> (otherwise the new model is excellent).
>
> I'm looking for a Sun Authority to comment.
>
> Thanks,
>
> Richard
>
> --
> Richard Monson-Haefel
> EJB Expert for jGuru.com
> ( http://www.jguru.com )
>
> Author of Enterprise JavaBeans
> Published by O'Reilly & Associates
> ( http://www.ejbnow.com )
>
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