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

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