I am rewriting my JBoss/Jetty distributable HttSession implementation.

The spec (J2EE 1.3 & Servlet 2.3) suggests that I should be able to 
distribute Objects of types :

Serializable
EJBObject
EJBHome
Context - java:comp/env
UserTransaction

I would like to support UserTransactions.

e.g. a client can make a request to begin a transaction on one JBoss 
node, then make subsequent failed-over requests to other nodes that are 
executed within the same transaction context.


I'm no transaction guru..... :-(

The UserTransaction API does not give me access to any unique, 
distributed ID (like EJBObject and EJBHome handles etc.) - so if this is 
going to happen, it will be via the proprietary interface of the 
UserTransaction's implementation.

Questions:

Is it possible to distribute UserTransactions if all webcontainers are 
not sharing the same EJB container (but all EJB containers are sharing 
the same DB)?

Or if all webcontainers are sharing the same EJBContainer ?

Or should I forget supporting this ?

If possible - how could it best be achieved ?


Thanks guys,



Jules



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