Error in starting hyperledger fabric network with hyperledger composer

Question

I am trying to set up a network using hyper ledger composer, for which I followed the Developer tutorial for creating a Hyperledger Composer solution but when I use the com

Answer 1

1) I had the same error while starting the network. This solution helped me: https://github.com/hyperledger/composer/issues/3591#issuecomment-386718739

It states the following:

There is an extra character when you copy the string from hyperledger composer website.

Try copy pasting the following line to a notepad and paste in the command line. It will work.

composer network start --networkName tutorial-network --networkVersion 0.0.1 --networkAdmin admin --networkAdminEnrollSecret adminpw --card PeerAdmin@hlfv1 --file networkadmin.card

2) If it doesn't help, then try to kill any stale or active docker containers.

Run the following command to kill any stale or active containers:

docker rm -f $(docker ps -aq)

Clear any cached networks:

Press y when prompted by the command

docker network prune

Then, go to ~/fabric-dev-servers folder and run the commands:

cd ~/fabric-dev-servers

./teardownFabric.sh

./startFabric.sh

./createPeerAdminCard.sh

After that, run the composer network install command:

composer network start --networkName tutorial-network --networkVersion 0.0.1 --networkAdmin admin --networkAdminEnrollSecret adminpw --card PeerAdmin@hlfv1 --file networkadmin.card