为什么dev模式下的chaincode无法连接到peer同时抛出未实现的desc =未知服务protos.ChaincodeSupport

Question

版本v1.1.0-preview之前的结构代码是可以的，但我下载了结构版本v1.1.0-preview。我用开发模式启动程序，而不是停靠模式。 orderer，peer，example01 cofiguration如下：

然后，，orderer，peer可以正常启动，但是example01无法启动，看来grpc无法连接成功，

GOROOT=/opt/go1.9.2 #gosetup
GOPATH=/home/test/gopath #gosetup
/opt/go1.9.2/bin/go build -i -gcflags "-N -l" -tags nopkcs11 "-ldflags=-linkmode internal" -o /tmp/___example01 github.com/hyperledger/fabric/examples/chaincode/go/chaincode_example01 #gosetup
/tmp/___example01 -peer.address 127.0.0.1:7051 #gosetup
2017-12-29 15:14:01.381 CST [shim] SetupChaincodeLogging -> INFO 001 Chaincode log level not provided; defaulting to: INFO
2017-12-29 15:14:01.381 CST [shim] SetupChaincodeLogging -> INFO 002 Chaincode (build level: ) starting up ...
2017-12-29 15:14:01.383 CST [shim] func1 -> ERRO 003 Received error from server, ending chaincode stream: rpc error: code = Unimplemented desc = unknown service protos.ChaincodeSupport
Error starting Simple chaincode: rpc error: code = Unimplemented desc = unknown service protos.ChaincodeSupport
Process finished with exit code 0

我考虑了chaincode.go中的关键代码，方法chatWithPeer失败了，它使用了chaincode_shim.proto grpc服务，它失败了。

// Interface that provides support to chaincode execution. ChaincodeContext
// provides the context necessary for the server to respond appropriately.
service ChaincodeSupport {

    rpc Register(stream ChaincodeMessage) returns (stream ChaincodeMessage) {}


}

所以，为什么它扔Unimplemented desc = unknown service protos.ChaincodeSupport

Answer 1

你使用的是错误的端口。在v1.1中，我们切换到使用端口7052.在v1.0中它是7051。