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Comment: Describe different versions supported.

WS-Reliable Messaging

CXF supports both the official 1.1/1.2 Web Services Reliable Messaging (WS-ReliableMessaging) protocol using the http://docs.oasis-open.org/ws-rx/wsrm/200702 namespace and the outdated February 2005 submission version using the http://schemas.xmlsoap.org/ws/2005/02/rm/ namespace.

The submission version specified an outdated version of WS-Addressing, using the http://schemas.xmlsoap.org/ws/2004/08/addressing namespace, which has since been replaced by the official http://www.w3.org/2005/08/addressing namespace. Most other web services implementations supporting the submission version of WS-ReliableMessaging have deviated from the specification by moving to the official WS-Addressing release with the http://www.w3.org/2005/08/addressing namespace. CXF supports the submission version of RM with either WS-Addressing namespace.

For compatibility with older versions of CXF, the default is to use the February 2005 submission version of RM with the submission version of WS-Addressing. On the client side, you can CXF for whichever version of WS-ReliableMessaging you want to use (see Reliable Messaging Configuration Guide). On the provider side, CXF adapts to whichever version of WS-ReliableMessaging is used by the client and responds appropriately.

the Web Services Reliable Messaging Protocol (WS-ReliableMessaging) specification. Like most other features in CXF, it is interceptor based.
The WS-Reliable Messaging implementation consists of 4 6 interceptors in total:

Interceptor

Task

org.apache.cxf.ws.rm.RMOutInterceptor

Responsible for sending CreateSequence requests and waiting for their CreateSequenceResponse responses, and and aggregating the sequence properties (id and message number) for an application message.

org.apache.cxf.ws.rm.RMInInterceptor

Intercepting and processing RM protocol messages (these will not the application level), as well as SequenceAcknowledgments piggybacked on application messages.

org.apache.cxf.ws.rm.RMCaptureInInterceptor

Caching messages for later retransmission.

org.apache.cxf.ws.rm.RMDeliveryInterceptor

Assuring InOrder delivery of messages to the application.

org.apache.cxf.ws.rm.soap.RMSoapInterceptor

Encoding and decoding the RM headers

org.apache.cxf.ws.rm.soap.RetransmissionInterceptor

Responsible for creating copies of application messages for future resends.

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