I remembered Vlada saying that isolation levels would be removed from the
deployment descriptors way back in 1998. I found the post for you:
http://archives.java.sun.com/cgi-bin/wa?A2=ind9812&L=ejb-interest&P=R32661
Hope this helps.
>From: Zerbe John W <[EMAIL PROTECTED]>
>Reply-To: A mailing list for Enterprise JavaBeans development
><[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: Re: Are isolation levels not applicable to 1.1 entity beans?
>Date: Tue, 26 Sep 2000 12:14:58 -0400
>
>My interpretation of this part of the spec is merely that only "session"
>beans with bean-managed transaction demarcation can programmatically
>control
>transaction isolation levels. Transaction isolation levels for all other
>beans is controlled via the deployment descriptor. This does not mean that
>tx isolation levels no longer apply to entity beans, it means that the
>container sets the isolation level for them via the values set in the DD.
>
>John Zerbe - Mellon Bank
>Information Technology Solutions - Middleware Team
>Phone: 412-234-1048 E-Mail:[EMAIL PROTECTED]
>
>
> > -----Original Message-----
> > From: Sriram Narayan (CTS) [SMTP:[EMAIL PROTECTED]]
> > Sent: Tuesday, September 26, 2000 5:35 AM
> > To: [EMAIL PROTECTED]
> > Subject: Re: Are isolation levels not applicable to 1.1 entity
>beans?
> >
> > ...reposting in the hope of getting some answers.
> > any hint will do.
> > thanks
> > Hi
> > The revision history section(C.5) of the 1.1 spec say this :
> >
> > "The scope of the EJB specification for managing transaction isolation
> > levels was reduced to sessions with bean-managed transaction
>demarcation.
> > The current EJB specification does not have any API for managing
> > transaction
> > isolation for beans with container-managed transaction demarcation (note
> > that all Entity beans fall into this category)."
> >
> > ... which means, unlike in 1.0, tx isolation levels no longer apply to
> > entity beans and CMT session beans.
> >
> > Could someone pls tell the reason for this change?
> > If this is left unspecified, does the container define the behaviour?
> >
> > thanks
> > sriram
> > Cognizant Technology Solutions - Pune.
> >
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