“gRPC failure=Status{code=UNAVAILABLE, description=io exception”调用“channel.sendTransactionProposal”时

Question

启用 tls 并尝试向对等方发送交易提议时出现低于 gRPC 错误。

从这里获取参考代码：https://developer.ibm.com/tutorials/hyperledger-fabric-java-sdk-for-tls-enabled-fabric-network/ 我已在所有对等方和整个网络上启用 TLS。我也尝试直接在代码中提供证书/pem 字符串。但是，同样的例外。

我在这里缺少什么？我直接从 Eclipse 运行客户端应用程序。 提前谢谢你。

-------------- 代码开始---------------

HFClient hfClient = HFClient.createNewInstance();
hfClient.setCryptoSuite(cryptoSuite);
hfClient.setUserContext(admin_registar);

String peer_name = "peer0.org1.example.com";
String peer_url = "grpcs://localhost:7051"; // Ensure that port is of peer1
String peerTLSCertFileName = "crypto-config/peerOrganizations/org1.example.com/peers/peer0.org1.example.com/tls/ca.crt";    ***// Taking TLS certitifcate***

Properties peerProperties = new Properties();
peerProperties.setProperty("pemFile", peerCertFile.getAbsolutePath());
peerProperties.setProperty("allowAllHostNames", "true");
Path peerPath = Paths.get(peerTLSCertFileName);        ;
peerProperties.put("pemBytes", Files.readAllBytes(peerPath));
**peerProperties.setProperty("sslProvider", "openSSL"); // SETTING TLS properties
peerProperties.setProperty("negotiationType", "TLS");   // SETTING TLS properties**
Peer peer = hfClient.newPeer(peer_name, peer_url, peerProperties);

<< --- Similar code to add Orderer to HFClient --->>

Channel channel = hfClient.newChannel("mychannel");
channel.addPeer(peer);
channel.addOrderer(orderer);
channel.initialize();

TransactionProposalRequest request = hfClient.newTransactionProposalRequest();
String cc = "fabcar"; // Chaincode name
ChaincodeID ccid = ChaincodeID.newBuilder().setName(cc).build();

request.setChaincodeID(ccid);
request.setFcn("createCar"); // Chaincode invoke funtion name
String[] arguments = {"CAR11", "VgW", "Poglo", "Ggrey", "Margy"}; // Arguments that Chaincode function takes
request.setArgs(arguments);
request.setProposalWaitTime(3000);
**Collection<ProposalResponse> responses = channel.sendTransactionProposal(request); // this is line throwing exception**

-------------- 代码结束---------------

下面的异常是上面最后一行代码：

线程“主”org.hyperledger.fabric.sdk.exception.ProposalException 中的异常：org.hyperledger.fabric.sdk.exception.TransactionException：org.hyperledger.fabric.sdk.exception.ProposalException：通道mychannel 的getConfigBlock 失败与同行 peer0.org1.example.com。状态失败，详细信息：Channel Channel{id: 3, name: mychannel} 发送带有事务的提案：353dde2899c1993b9e643ac32b7b9c27ae4eeda1aaa17bc13f1c35f91795a9f7 到 Peer{ id: 1, name: peer0.org1.example.com, channelName: mychannel, url: grpcs: //localhost:7051} 失败，因为：gRPC failure=Status{code=UNAVAILABLE, description=io exception 通道管道：[SslHandler#0，ProtocolNegotiators$ClientTlsHandler#0，WriteBufferingAndExceptionHandler#0，DefaultChannelPipeline$TailContext#0]，cause=javax.net.ssl.SSLHandshakeException：一般 OpenSslEngine 问题 在

Answer 1

我在没有运行 CreateChannel 命令时遇到了这个问题。

java -cp blockchain-client.jar org.example.network.CreateChannel