fabric 環境搭建問題
阿新 • • 發佈：2018-12-19
在fabric環境搭建過程中，我試了很多次都沒有完成。原因是建立client失敗。雖然網上有關於這個問題的教程，比如更改host，都沒有解決如下問題：
Creating kafka2 ... Creating kafka1 ... Creating kafka2 Creating kafka3 Creating kafka0 Creating kafka3 ... done Creating orderer.example.com ... Creating orderer.example.com ... done Creating cli ... Creating cli ... done ____ _____ _ ____ _____ _____ ____ _____ / ___| |_ _| / \ | _ \ |_ _| | ____| |___ \ | ____| \___ \ | | / _ \ | |_) | | | _____ | _| __) | | _| ___) | | | / ___ \ | _ < | | |_____| | |___ / __/ | |___ |____/ |_| /_/ \_\ |_| \_\ |_| |_____| |_____| |_____| Channel name : mychannel Check orderering service availability... Attempting to fetch system channel 'testchainid' ...4 secs Attempting to fetch system channel 'testchainid' ...33 secs Attempting to fetch system channel 'testchainid' ...59 secs 2018-03-28 02:14:34.999 UTC [msp] GetLocalMSP -> DEBU 001 Returning existing local MSP 2018-03-28 02:14:35.098 UTC [msp] GetDefaultSigningIdentity -> DEBU 002 Obtaining default signing identity 2018-03-28 02:14:55.260 UTC [grpc] Printf -> DEBU 003 grpc: addrConn.resetTransport failed to create client transport: connection error: desc = "transport: Error while dialing dial tcp: i/o timeout"; Reconnecting to {orderer.example.com:7050 <nil>} Error: Error connecting due to rpc error: code = Unavailable desc = grpc: the connection is unavailable Usage: peer channel fetch <newest|oldest|config|(number)> [outputfile] [flags] Flags: -c, --channelID string In case of a newChain command, the channel ID to create. Global Flags: --cafile string Path to file containing PEM-encoded trusted certificate(s) for the ordering endpoint --logging-level string Default logging level and overrides, see core.yaml for full syntax -o, --orderer string Ordering service endpoint --test.coverprofile string Done (default "coverage.cov") --tls Use TLS when communicating with the orderer endpoint -v, --version Display current version of fabric peer server !!!!!!!!!!!!!!! Ordering Service is not available, Please try again ... !!!!!!!!!!!!!!!!
其實這個問題出現的原因很簡單，docker的版本不符合，雖然網上很多的教程都提到要使用軟連線git branch更改分支，但是並沒什麼用處，除非是運氣特別好（我第一次成功了）。後來再次嘗試仍然失敗。因此需要重新修訂這個，直接下載1.0版本，下載語句如下：
git clone -b release-1.0 https://github.com/hyperledger/fabric之後成功：
Installing chaincode on org2/peer3...
CORE_PEER_TLS_ROOTCERT_FILE=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.example.com/peers/peer0.org2.example.com/tls/ca.crt
CORE_PEER_TLS_KEY_FILE=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.example.com/peers/peer0.org1.example.com/tls/server.key
CORE_PEER_LOCALMSPID=Org2MSP
CORE_VM_ENDPOINT=unix:///host/var/run/docker.sock
CORE_PEER_TLS_CERT_FILE=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.example.com/peers/peer0.org1.example.com/tls/server.crt
CORE_PEER_TLS_ENABLED=true
CORE_PEER_MSPCONFIGPATH=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.example.com/users/