i正在测试http://fabric-rtd.readthedocs.io/en/latest/marbles.html的大理石演示。我仔细检查了Blockchain_creds1.json和Chaincode_id和Chaincode_version，正确编辑了
日志：
error: [Peer.js]: GRPC client got an error response from the peer
"grpc://localhost:7051". Error: Timeout expired while starting chaincode end2end:v0(networkid:dev,peerid:peer0,tx:ec4161b7f14893d1142a836fb552e0a8eb4b5653ad4191e946e11ba4a7191993)
at /home/eric/blockchain-demo/fabric-sdk-node/node_modules/grpc/src/node/src/client.js:434:17
error: [Chain.js]: Chain-sendPeersProposal - Promise is rejected: Error: Timeout expired while starting chaincode end2end:v0(networkid:dev,peerid:peer0,tx:ec4161b7f14893d1142a836fb552e0a8eb4b5653ad4191e946e11ba4a7191993)
at /home/eric/blockchain-demo/fabric-sdk-node/node_modules/grpc/src/node/src/client.js:434:17
error: [Peer.js]: GRPC client got an error response from the peer "grpc://localhost:8051". Error: Timeout expired while starting chaincode end2end:v0(networkid:dev,peerid:peer2,tx:ec4161b7f14893d1142a836fb552e0a8eb4b5653ad4191e946e11ba4a7191993)
at /home/eric/blockchain-demo/fabric-sdk-node/node_modules/grpc/src/node/src/client.js:434:17
error: [Chain.js]: Chain-sendPeersProposal - Promise is rejected: Error: Timeout expired while starting chaincode end2end:v0(networkid:dev,peerid:peer2,tx:ec4161b7f14893d1142a836fb552e0a8eb4b5653ad4191e946e11ba4a7191993)
at /home/eric/blockchain-demo/fabric-sdk-node/node_modules/grpc/src/node/src/client.js:434:17
error: [install-chaincode]: instantiate proposal was bad
error: [install-chaincode]: instantiate proposal was bad
not ok 3 Failed to send instantiate Proposal or receive valid response. Response null or status is not 200. exiting...
由于容器正在运行，为什么它不能连接到对等方：
[root@DEV1 fabric-sdk-node]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
3e79a4a80992 hyperledger/fabric-peer "peer node start -..." 36 minutes ago Up 36 minutes 0.0.0.0:8056->7051/tcp, 0.0.0.0:8058->7053/tcp peer3
71fe64571dc6 hyperledger/fabric-peer "peer node start -..." 36 minutes ago Up 36 minutes 0.0.0.0:7056->7051/tcp, 0.0.0.0:7058->7053/tcp peer1
08cecbc1cd94 hyperledger/fabric-peer "peer node start -..." 36 minutes ago Up 36 minutes 0.0.0.0:7051->7051/tcp, 0.0.0.0:7053->7053/tcp peer0
41e7f50fe897 hyperledger/fabric-peer "peer node start -..." 36 minutes ago Up 36 minutes 0.0.0.0:8051->7051/tcp, 0.0.0.0:8053->7053/tcp peer2
7182a3c2ad7d hyperledger/fabric-ca "sh -c 'fabric-ca-..." 37 minutes ago Up 36 minutes 0.0.0.0:7054->7054/tcp ca_peerOrg1
f8b529fdd7ec hyperledger/fabric-orderer "orderer" 37 minutes ago Up 36 minutes 0.0.0.0:7050->7050/tcp orderer0
ca83ab5db256 hyperledger/fabric-ca "sh -c 'fabric-ca-..." 37 minutes ago Up 36 minutes 0.0.0.0:8054->7054/tcp ca_peerOrg2
b68cf9ee6725 couchdb "tini -- /docker-e..." 37 minutes ago Up 36 minutes 0.0.0.0:5984->5984/tcp couchdb
任何帮助都将不胜感激=(
我建议检查对等日志以了解为什么失败。
例如，由于它定时与peer0交谈，因此请检查peer0的日志如下：
docker logs peer0