Getting error when i execute byfn sh -m up command

Question

I am trying to bring up the network in my blockchain.. When i execute ./byfn.sh -m up command i get this error:

Starting with channel 'mychannel' and CLI timeout of '10000'
Continue (y/n)?y
proceeding ...
...
 ___     ____      _      ____    ____
/ ___|   |_   _|     / \      |  _ \   |_   _|
\___ \      | |      / _ \     | |_) |     | |  
 ___) |     | |     / __ \    |  _ <     | |  
|____/     |_|   /_/   \_\  |_| \_\    |_|  

Build your first network (BYFN) end-to-end test
...
===================== PEER0 joined on the channel "mychannel" 

===================== 

2017-09-25 06:58:27.580 UTC [msp] GetDefaultSigningIdentity -> DEBU 002 Obtaining default signing identity
Error: Error getting endorser client channel: PER:404 - Error trying to connect to local peer
...
/opt/go/src/runtime/proc.go:192 runtime.main
/opt/go/src/runtime/asm_amd64.s:2087 runtime.goexit
Caused by: x509: certificate is valid for peer0.org1.example.com, peer0, not peer1.org1.example.com
Usage:
  peer channel join [flags]

Flags:
  -b, --blockpath string   Path to file containing genesis block
  ...

Answer 1

The error is caused because you're trying to connect to peer1.org1.example.com but it doesn't exist.. The peer present there is peer0.org1.example.com..

Check your environment variable CORE_PEER_ADDRESS and see if its right..