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Questions tagged [hyperledger-fabric]

Hyperledger Fabric is an implementation of blockchain technology. Use this tag for questions about this project.

Use this tag for questions about this project.

Another good idea is to reach out to the community at

Documentation can be found at

Refer development lifecycle and officially provided resources at

6206 questions
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Error: endorsement failure during query. response: status:500 message:"make sure the chaincode fabcar has been successfully

I am trying to solve the following issue: Error: endorsement failure during query. response: status:500 message:"make sure the chaincode fabcar has been successfully defined on channel mychannel and try again: chaincode fabcar not found" I have…
user3582228
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What is the difference between CA Certificate and the TLS certificate in Fabric CA Server?

I have seen in the fabric-ca-server binary there are some options including and I am unsure why two certfiles are needed. Why can't we just use tls.certfile? --ca.certfile string PEM-encoded CA certificate file (default "ca-cert.pem") …
Trevor Lee Oakley
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What is the difference between installDist in distribution plugin and build in java plugin, gradle?

What is the difference between installDist task in gradle distribution plugin and build task in gradle java plugin? and how can we run the application generated by these two plugin? The scene i meet is that: i am learning hyperledger fabric, and…
user14063487
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What kind of consensus used in Hyperledger Fabric?

I don't know if this question make sense, I know Raft is consensus algorithm and use etcd to distributed the data, and i know etcd in Raft Ordering Service have a similar job with zookeeper in Kafka Ordering Service, but what I don't understand is,…
NUR HAZBIY SHAFFAN
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Instantiation of Chaincode using Fabric Node SDK gives API error (404): manifest for hyperledger/fabric-ccenv:latest not found

I am trying to instantiate a Golang chaincode on my Hyperledger Fabric network (setup on cloud) using Fabric Node SDK. However, I am facing the following error while performing the same: Error: error starting container: error starting container:…
Chintan Rajvir
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Telnet - getting closed automatically when trying to connect to a peer in hyperledger fabric network

I have setup an hyperledger fabric network with 6 organizations and 5 orderers (raft consensus). Each org has 2 peers. All the peers are running in 7051 ports and orderers in 7050 port. When I try to do telnet to the peers, telnet 7051 Trying…
Soundarya
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enabling SSL for Hyperledger Fabric couchdb

I want to use couchDB(V. 2.3.1) with SSL enabled, so I added [ssl] part to /opt/couchdb/etc/local.d/docker.ini file as shown below: [ssl] port = 6984 enable = true cert_file = /etc/hyperledger/fabric/tls/server.crt key_file =…
Pouya Shojaei
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Hyperledger Fabric 2.0.1: Error: Failed to connect before the deadline on Discoverer- name:

I think Fabric is trying to discover peers and orderers as soon as they come to realize they do exist but not matching the machine IP address. Is there a way to specify the machine IP override for TLS enabled communication? This is the full…
Victor Lopez
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How to add a new Orderer Organization to existing Hyperledger Fabric network

I am trying to add a new Orderer Organization to RAFT based existing ordering service. I am using the first-network from fabric-samples as the base network. While generating crypto-material, I have modified to generate crypto-material for 1 more…
Chintan Rajvir
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Difference between node, peer and user in Hyperledger Fabric

I'd like to read about the difference between these terms: Node, Peer and User. From what I understand, a node is basically a machine which inside is running the HL Fabric binaries and is communicating with other machines belonging to the same…
giacom0c
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How big payload we can send in single transaction in Hyperledger Fabric. How many assets we can put in a single transaction?

1) How big payload in terms of size, we can add in a single transaction in Hyperledger Fabric. I have millions of assets, ingesting into Fabric network. Maximum assets(Key-Value) can be added into the single transaction are 1000(Correct if I am…
PAVAN
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Hyperledger Fabric - Fabcar performance

I'm trying to run a project using Hyperledger Fabric with a setup similar to the Fabcar example. I'm surprised by the huge amount of time it takes to submit a transaction. Just to make it simple and fully reproducible I measured the time needed…
marco
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Error when trying to bring up the test network

I trying to follow tutorials and develope on Ubuntu. Then get an error when comes to "Bring up the test network" part. I successfully run the following command to print the script help text of the test network. ./network.sh -h When I want to run…
JasonLee
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Unable to download latest hyperledger fabric binaries

When running the command: curl -sSL https://raw.githubusercontent.com/hyperledger/fabric/master/scripts/bootstrap.sh | bash -s provided on the hyperledger page, I get the following. Clone hyperledger/fabric-samples repo ===> Cloning…
hyprstack
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Hyperledger Fabric: Add Orderer in running raft network

I want to add a new orderer node in a running hyperledger-fabric network. I've used etcdraft as consensus between the orderers. I've followed step by step process of this accepted answer. In step #15, it is mentioned that, I've to fetch the latest…
muhaimin anando
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