SCMPCompositeReceiver largeRequest = SCBaseServlet.compositeRegistry.getSCMPLargeRequest(sessionId);
SCMPMessageSequenceNr msgSequenceNr = this.requester.getSCMPMsgSequenceNr();
SCMPMessage scmpReply = null;
if (scmpReq.isPart()) {
// received message part - request not complete yet
largeRequest.incomplete();
// set up poll response - SCMP Version request
scmpReply = new SCMPPart(scmpReq.getSCMPVersion(), true);
scmpReply.setHeader(SCMPHeaderAttributeKey.MESSAGE_SEQUENCE_NR, msgSequenceNr.incrementAndGetMsgSequenceNr());
scmpReply.setIsReply(true);
scmpReply.setMessageType(scmpReq.getMessageType());