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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: timeout waiting for channel creation -- While using Kafka Orderer of Fabric

Getting following ERROR while creating a new channels using Kafka Orderer. Error: timeout waiting for channel creation Here is the screenshot : Following are my Docker-Compose yaml file : version: '2' networks: tranargy: services: …
Subhankar
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All of the containers stopped in hyperledger fabric - fabric-ca example in fabric-samples

I am running fabric-ca example in fabric-samples on 20 Azure servers having each service like peers, orderers running on different machine. Now recently all of the services got stopped. That means all of the peers, orderers, ica containers each…
Sandeep Gupta
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Rejecting deliver request because of consenter error

We have a ongoing project running on Fabric 1.0.1.. We are struck at an issue. Basically the environment we have is 3 orderers/kafkas/zookeerps - 2 on one server and 1 on another for all 3 We had a system upgrade and had to restart all of the…
nelaturuk
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Deep probe of peer0.org1.example.com:7051 failed: context deadline exceeded

i am am getting a warning in the peer logs. Not sure why i am getting this. Deep probe of peer0.org1.example.com:7051 failed: context deadline exceeded github.com/hyperledger/fabric/gossip/gossip.(*gossipServiceImpl).learnAnchorPeers.func1 …
Pandit
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Add a new org - certificate signed by unknown authority

I'm trying to add a new org called Org4 in the fabric network generated by the script byfn. I'm following this tutorial http://hyperledger-fabric.readthedocs.io/en/latest/channel_update_tutorial.html But I met an error when I try to do the "peer…
Kevin
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Handling IPFS uploading from React FrontEnd with encryption ?

I'm novice to both StackOverFlow and IPFS too. I'm working on a Project to upload files on IPFS from the Front-End using React JS (web), For that I'm using "ipfs-api" Module provided by IPFS Community. Now what I want, I want to upload file with the…
Rohit Yadav
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How do you calculate the Block Hash for the Current Block in Hyperledger Fabric with javascript?

I see that there has been a utility created for the Java SDK to calculate the hash of the current block, but do not see this implementation in the Node SDK. I would really appreciate it if someone could give an example implementation in…
Zach Gollwitzer
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Object with id does not exist in $sysregistries when starting hyperledger composer v0.19.x network

I have recently upgraded my Hyperledger Composer project from 0.16.x to 0.19.4 using the https://hyperledger.github.io/composer/latest/tutorials/deploy-to-fabric-multi-org tutorial. Since the upgrade my composer network start throws a lot of…
Bas Poldervaart
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Handshake failed with fatal error SSL_ERROR_SSL: error:1408F10B:SSL routines:SSL3_GET_RECORD:wrong version number

First, I know this a duplicate question from this link but the asker seems to not answer anymore... but i still have the problem and need help! So, When I use the command composer install I face this error: ⠙ Installing business network. This may…
Cocorico
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Handshake failed with fatal error SSL_ERROR_SSL

I'm following this tutorial https://hyperledger.github.io/composer/latest/tutorials/deploy-to-fabric-multi-org to deploy a composer blockchain business network to Hyperledger Fabric (multiple organizations) I'm getting the following error however…
Simon Mullaney
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Hyperledger Fabric. Is it possible to deploy more than one chaincode to the same channel?

Is it possible to deploy two different chaincodes to the same channel in Hyperledger fabric
MahmoudBC
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HYPERLEDGER : Error While Starting Business Network

I am researching on Hyperledger. After going through the basic tutorials and documentation, I have started setting up a Blockchain Business Network With Hyperledger Fabric & Composer Running on Multiple Physical Machine as described on…
csLijo
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How to use hyperledger getnative API

I came across the getNative API through which one call chaincode from Hyperledger composer. See here: https://github.com/hyperledger/composer/issues/3120 Can someone please tell me exactly how does this work? Say if I have a very simple chaincode…
user1274878
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read/writes result sets do not match index=1

I try do deploy my own network with hyperledger fabric. I have : - 1 orderer - 1 CA - 2 peers (with there DB) Everything works well except when I post a Transaction. I've got this error in my server NodeJS : error: [Channel.js]:…
Cocorico
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Hyperledger Network Configuration Error

I have setup all prerequisites on WINDOWS 10 Prof 64 BIT system. I am trying to run hyperledger sample "balance transfer". I started the node app and when I try to register user I get an error back with following message Failed to register the…
Paresh Varde
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