TLS handshake failed with error remote error: tls: bad certificate server=Orderer

Question

I am trying to set up a hyperledger fabric on a VM manually. I have generated all the artifacts and configured the orderer.yaml and core.yaml. I ha

Answer 1

I also faced the same problem and in my case, the issue was that I made some changes to the local directory files and apparently those changes were not successfully reflected while mounting those files back into the docker containers. What fixed the problem for me was

docker volume rm $(docker volume ls)

I restarted the network again and didn't see any more certificate errors. Worth a try.

Answer 2

The issue is that the TLS server certificate used by the orderer does not have a SAN matching "127.0.0.1". You can add "localhost" and/or "127.0.0.1" to you TLS certificates by using a custom crypto-config.yaml when generating your artifacts with cryptogen:

# ---------------------------------------------------------------------------
# "OrdererOrgs" - Definition of organizations managing orderer nodes
# ---------------------------------------------------------------------------
OrdererOrgs:
  # ---------------------------------------------------------------------------
  # Orderer
  # ---------------------------------------------------------------------------
  - Name: Orderer
    Domain: example.com
    EnableNodeOUs: false

    # ---------------------------------------------------------------------------
    # "Specs" - See PeerOrgs below for complete description
    # ---------------------------------------------------------------------------
    Specs:
      - Hostname: orderer
        SANS:
          - "localhost"
          - "127.0.0.1"

# ---------------------------------------------------------------------------
# "PeerOrgs" - Definition of organizations managing peer nodes
# ---------------------------------------------------------------------------
PeerOrgs:
  # ---------------------------------------------------------------------------
  # Org1
  # ---------------------------------------------------------------------------
  - Name: org1
    Domain: org1.example.com
    EnableNodeOUs: true
    Template:
      Count: 2
      SANS:
         - "localhost"
         - "127.0.0.1"
    Users:
      Count: 1

  - Name: org2
    Domain: org2.example.com
    EnableNodeOUs: false
    Template:
      Count: 2
      SANS:
         - "localhost"
         - "127.0.0.1"
    Users:
      Count: 1