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https://issues.apache.org/jira/browse/SANDESHA2-75?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12482978
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Gilbert Pilz commented on SANDESHA2-75:
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As far as BEA is concerned, the requirement to include an Offer when an
WS-RM-enabled service declares any output messages* is specified by the
following paragraph in WS-RM Policy 200502
(http://specs.xmlsoap.org/ws/2005/02/rm/WS-RMPolicy.pdf - last paragraph of
Section 2.3 "Assertion Attachment"):
--------
Per WS-ReliableMessaging [WS-RM], a wsrm:CreateSequence request MAY contain an
offer to create an "inbound" Sequence. If the RM policy assertion is attached
to an endpoint declaring only input messages, the endpoint MUST reject a
wsrm:CreateSequence request containing a wsrm:Offer to create a corresponding
Sequence. If the assertion is attached to an endpoint declaring both input and
output messages, the endpoint MUST reject a wsrm:CreateSequence request that
does not contain a wsrm:Offer to create a corresponding Sequence.
--------
The way WLS implements WS-RM, enabling a service for WS-RM and attaching an
RMAssertion to the WSDL (even if it's an implicit WSDL that may not be
available until the service is deployed) are one and the same thing, so we have
to implement this requirement. From the Sandesha viewpoint I can see that this
isn't so cut and dried, considering that Sandesha doesn't use WS-RM Policy.
* We also implement the requirement to reject CreateSequence messages that
contain Offers if the target service declares only input messages.
> Auto-Offer on two-way interactions
> ----------------------------------
>
> Key: SANDESHA2-75
> URL: https://issues.apache.org/jira/browse/SANDESHA2-75
> Project: Sandesha2
> Issue Type: Improvement
> Environment: Axis2 talking to other WSRM endpoints
> Reporter: Paul Fremantle
>
> Most WSRM endpoints "expect" an offer if the service they are offering has
> any in-out operations. We don't make those offers unless the user codes them,
> meaning that we don't interop as easily as we should. We ought to make an
> offer if there are any in-out operations on the service.
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