case OpCode.createSession:
txnHeader = new TxnHeader(request.sessionId, request.cxid,
txnId, getTime(), OpCode.createSession);
request.request.rewind();
int to = request.request.getInt();
txn = new CreateSessionTxn((Long)request.getOwner());
request.request.rewind();
sessionTracker.addSession(request.sessionId,
(Long) request.getOwner());
break;
case OpCode.closeSession: