Hello,
Clustering with EB is very simple WRT transactions. As Weblogic, we only
failover if the access to a node has failed. If some work has already
started and an exception occurs, the transaction is rollbacked and the user
explicitly needs to deal with the exception.
Plus, you should always do homogeneous deployments to all nodes of your
cluster to avoid distributed transactions.
cheers,
Sacha
> -----Message d'origine-----
> De : [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]De la part de
> Emerson Cargnin - SICREDI Servi�os
> Envoy� : lundi, 14 octobre 2002 15:50
> � : [EMAIL PROTECTED]
> Objet : [JBoss-dev] questions about CMP/Clustering
>
>
> As this is regarded to cmp/cluster implementations, i thought this
> questions should be posted here :
>
> 1 - How are two-phase commit implemented in JBoss? Does it takes
> advantage of oracle implementation of this feature?
>
> 2 - When there are a transaction not completed at one node of cluster,
> and it fails, does the client have to rerun the transaction, or the
> transaction is gotten and completed by other node?
>
> The problem is that DBA's here (a bank) knows very well how the
> transaction is done and how to return to a consistent point if there is
> some problem and they are worried about using CMP becouse much of work
> is done behind the scenes. How could I convince them that clustered
> JBoss-CMP is secure and will not be a problem when managing data.
>
>
>
>
> --
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> | Emerson Cargnin |
> | Analista de Sistemas Sr. |
> | Tel : (051) 3358-4959 |
> | SICREDI Servi�os |
> | Porto Alegre - Brasil |
> |xxxxxxxxxxxxxxxxxxxxxxxxxx|
>
>
>
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