Errors should be checked when orderer grpc server is serving requests
Errors should be checked when orderer grpc server is serving requests

Signed-off-by: wuyingjun <aa2314df3a18f7070ae049567f425316676f0dbf@cmss.chinamobile.com>

hyperledger/fabric,stemlending/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric,stemlending/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,stemlending/fabric,jimthematrix/fabric,jimthematrix/fabric,manish-sethi/fabric-sidedb,stemlending/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,hyperledger/fabric