Hi Jack,


>   In http://ws.apache.org/kandula/, it said: " Presently, the implementation 
> only supports atomic
> transaction coordination type. Business activities will be supported in 
> future.", so calling two
> methods distributed at two machine, as illustrated following, is not 
> supported yet, isn's it ?

Atomic Transaction / Business Activity refers only to the semantic of
the transaction.
http://www.ibm.com/developerworks/library/ws-comproto/ gives an overview
of these transaction protocol types (skip the BTP part ;-])

As for Kandula, you can - even today - add an unlimited number of
participants, distributed onto as many machines as you like, to both
atomic and business activity contexts. (Business activities are not yet
supported in the code, but the framework for participant registration is
the same.)


The kandula.context has to refer - as Dasarath wrote - to your running
*local* Kandula services so that remote participants know where to send
messages for you. Even a standalone application that uses Kandula needs
to run a small standlone web server to receive SOAP messages from
transaction participants. (AFAIK is a standalone web server included
somewhere in the distribution...)


Georg Hicker and I offered to implement the WS-BusinessActivity protocol
modules for Kandula (we're doing this for our diploma thesis). Currently
we seem to be in a similar situation as you are: we are trying to set
everything up and complete some simple test cases before doing real work.
I guess Summer 2006 is a good time to check back on WS-BusinessActivitiy
availability status in Kandula.


-hannes

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