hyperledger fabric calling enrollment endpoint failed with error - node.js

I was trying to deploy hyperledger fabric on multiple hosts using this code and used the balance transfer chaincode using node-SDK. While I tried to enroll the user, I got the following error:
[2019-01-10 18:12:20.635] [ERROR] Helper -
[FabricCAClientService.js]: Failed to enroll admin, error:Error:
Calling enrollment endpoint failed with error [Error: write EPROTO
140678895621952:error:140770FC:SSL
routines:SSL23_GET_SERVER_HELLO:unknown
protocol:../deps/openssl/openssl/ssl/s23_clnt.c:827:
]
at ClientRequest.request.on (/home/muzzam/Downloads/hlf-docker-swarm/hlf-app/node_modules/fabric-ca-client/lib/FabricCAClient.js:492:12)
at emitOne (events.js:116:13)
at ClientRequest.emit (events.js:211:7)
at TLSSocket.socketErrorListener (_http_client.js:387:9)
at emitOne (events.js:116:13)
at TLSSocket.emit (events.js:211:7)
at onwriteError (_stream_writable.js:417:12)
at onwrite (_stream_writable.js:439:5)
at _destroy (internal/streams/destroy.js:39:7)
at TLSSocket.Socket._destroy (net.js:568:3)
can anyone give me an idea of what could be going wrong? If you need any of my configuration file, i can provide that

I was able to find my error.
I was not setting the TLS enabled parameter in docker containing CA service.
You need to set the following properties in yaml file containg the CA services:
environment:
- FABRIC_CA_SERVER_TLS_ENABLED=true
- FABRIC_CA_SERVER_TLS_CERTFILE=<location to certificate file>
- FABRIC_CA_SERVER_TLS_KEYFILE=<location to key file>

Related

SERVERLESS: Error: RequestError: self signed certificate in certificate chain

I am trying to create a serverless project. But it gives an error when giving the serverless command on the cmd. Please help me to solve this.
first I installed the serverless with 'npm install -g serverless' command. Then I gave 'serverless' command. So following error was displayed on the cmd.
C:\Geethma\myFiles\serverlessTutorial>serverless
Creating a new serverless project
? What do you want to make? AWS - Node.js - Starter
? What do you want to call this project? aws-node-project
Environment: win32, node 16.15.0, framework 3.18.2, plugin 6.2.2, SDK 4.3.2
Docs: docs.serverless.com
Support: forum.serverless.com
Bugs: github.com/serverless/serverless/issues
Error:
RequestError: self signed certificate in certificate chain
at ClientRequest.<anonymous> (C:\Users\geethma.rathnayake\AppData\Roaming\npm\node_modules\serverless\node_modules\got\dist\source\core\index.js:962:111)
at Object.onceWrapper (node:events:642:26)
at ClientRequest.emit (node:events:539:35)
at ClientRequest.emit (node:domain:475:12)
at ClientRequest.origin.emit (C:\Users\geethma.rathnayake\AppData\Roaming\npm\node_modules\serverless\node_modules\#szmarczak\http-timer\dist\source\index.js:43:20)
at TLSSocket.socketErrorListener (node:_http_client:454:9)
at TLSSocket.emit (node:events:527:28)
at TLSSocket.emit (node:domain:475:12)
at emitErrorNT (node:internal/streams/destroy:157:8)
at emitErrorCloseNT (node:internal/streams/destroy:122:3)
at processTicksAndRejections (node:internal/process/task_queues:83:21)
at TLSSocket.onConnectSecure (node:_tls_wrap:1532:34)
at TLSSocket.emit (node:events:527:28)
at TLSSocket.emit (node:domain:475:12)
at TLSSocket._finishInit (node:_tls_wrap:946:8)
at TLSWrap.ssl.onhandshakedone (node:_tls_wrap:727:12)
If you're using a machine provided by an employer, they may have installed self-signed SSL certificates in order to connect to internal systems or run fleet management software.
You can override strict checking in Node by either prepending the command with NODE_TLS_REJECT_UNAUTHORIZED=0 serverless, or permanently with npm config set strict-ssl false.
I had checked with Aaron's answer, but it didn't work for my case.
Issue on my side was with my company's VPN, as it was blocking sending/receiving the data. I went with the below steps that solved my issue.
Solution
Try disabling the VPN.
Run the command again.
Verify if it works.
Also make sure that your IAM user has necessary privileges to perform this by attaching necessary policy in the AWS's IAM User page.

Failed to enroll admin in Hyperledger Fabric Javascript application

I followed instructions for writing my first app using Hyperledger Fabric, but when starting the app with node app.js I get this error:
$ node app.js
Loaded the network configuration located at C:\Users\marij\Desktop\hyper\fabric-
samples\test-network\organizations\peerOrganizations\org1.example.com\connection
-org1.json
Built a CA Client named ca-org1
Built a file system wallet at C:\Users\marij\Desktop\hyper\fabric-samples\asset-
transfer-basic\application-javascript\wallet
2021-06-03T18:30:33.180Z - error: [FabricCAClientService.js]: Failed to enroll a
dmin, error:%o message=Calling enroll endpoint failed with error [Error: connect
ECONNREFUSED 127.0.0.1:7054], stack=Error: Calling enroll endpoint failed with
error [Error: connect ECONNREFUSED 127.0.0.1:7054]
at ClientRequest.<anonymous> (C:\Users\marij\Desktop\hyper\fabric-samples\as
set-transfer-basic\application-javascript\node_modules\fabric-ca-client\lib\Fabr
icCAClient.js:327:19)
at ClientRequest.emit (events.js:315:20)
at TLSSocket.socketErrorListener (_http_client.js:469:9)
at TLSSocket.emit (events.js:315:20)
at emitErrorNT (internal/streams/destroy.js:106:8)
at emitErrorCloseNT (internal/streams/destroy.js:74:3)
at processTicksAndRejections (internal/process/task_queues.js:80:21), errno=
-4078, code=ECONNREFUSED, syscall=connect, address=127.0.0.1, port=7054
Failed to enroll admin user : Error: Calling enroll endpoint failed with error [
Error: connect ECONNREFUSED 127.0.0.1:7054]
An identity for the admin user does not exist in the wallet
Enroll the admin user before retrying
******** FAILED to run the application: Error: Identity not found in wallet: app
User
Wallet folder is empty.
Also, I didn't make any modifications in given code and I used test-network.
your wallet didn't have admin identity, you first need to enroll admin user and then try to register and enroll other user.

error after typing "node enrollAdmin.js" on windows

node enrollAdmin.js
error: [FabricCAClientService.js]: Failed to enroll admin, error:%o message=Calling enrollment endpoint failed with error [Error: con
nect ECONNREFUSED 127.0.0.1:7054], stack=Error: Calling enrollment endpoint fail
ed with error [Error: connect ECONNREFUSED 127.0.0.1:7054]
at ClientRequest.request.on (C:\Users\Nibir Hira\go\src\github.com\hyperledg
er\fabric-samples\fabcar\javascript\node_modules\fabric-ca-client\lib\FabricCACl
ient.js:487:12)
at emitOne (events.js:116:13)
at ClientRequest.emit (events.js:211:7)
at Socket.socketErrorListener (_http_client.js:387:9)
at emitOne (events.js:116:13)
at Socket.emit (events.js:211:7)
at emitErrorNT (internal/streams/destroy.js:64:8)
at _combinedTickCallback (internal/process/next_tick.js:138:11)
at process._tickCallback (internal/process/next_tick.js:180:9)
Failed to enroll admin user "admin": Error: Calling enrollment endpoint failed w
ith error [Error: connect ECONNREFUSED 127.0.0.1:7054]
Where should I do corrections? The file registeradmin.js is not even working
Here is a solution for Hyperledger Fabric v2.x. The problem is port no: 7054 is missing in test network.
In Linux (try if it works in virtual box), one way to solve is fresh restart from fabcar folder (not test network folder) then run again.
cd $HOME/fabric-samples/fabcar
./startFabric.sh javascript (by default it's goLang)
A fresh restart of the network will occur as "startFabric.sh" contains network up, down, chaincode installing, all in one.
Now try again:
node enrollAdmin.js
Worked for me.
Extra: Now you can run node registerUser.js and node invoke.js if you were about to use invoke.js .
Your node application cannot connect to the Fabric CA server running in the container - so either it is not running, has failed or possibly you have some firewall or other connectivity problem.
You can test connectivity by using wget or curl or a browser to hit this URL - http://localhost:7054/api/v1/cainfo and until you can hit this URL your enrollAdmin program will fail.
I don't use windows, but docker ps on Linux would tell me if the ca container was running, and docker logs ca.example.com would give me the log of the ca container (assuming you are running the fabcar sample on the basic sample network.)
I had the exact same problem. This worked for me:
Open VirtualBox Manager and select the “default” VM
Click “Settings”, “Network”, “Advanced”, “Port Forwarding”.
Create a new rule by clicking the “+” sign on the right and entering the following: Name -> “ca”, Host Port -> 7054, Guest Port -> 7054.
You can leave the Host IP and Guest IP unspecified.
Source:
https://developer.ibm.com/opentech/2017/11/29/running-hyperledger-fabric-windows-revised/

UnhandledPromiseRejectionWarning: error: password authentication failed for user " " after npm start

I am using node version 8 and when i do an npm start below errors are seen. I guess after routes are created below errors are seen. Here "techwedge3" is the username of my system. The application works correctly even with the below errors.
Even i am able to connect to my postgres db.
Any idea on how to resolve the issue?
[JobRoute::create] Creating route.
[InterviewRoute::create] Creating route.
[Creating AdminRoute::create] Creating route.
[TenantRoute::create] Creating route.
[CriteriaRoute::create] Creating route.
(node:12212) UnhandledPromiseRejectionWarning: error: password authentication failed for user "techwedge3"
at Connection.parseE (C:\Development\vilearnnew\vilearn_node\node_modules\pg-promise\node_modules\pg\lib\connection.js:546:11)
at Connection.parseMessage (C:\Development\vilearnnew\vilearn_node\node_modules\pg-promise\node_modules\pg\lib\connection.js:371:19)
at Socket.<anonymous> (C:\Development\vilearnnew\vilearn_node\node_modules\pg-promise\node_modules\pg\lib\connection.js:114:22)
at emitOne (events.js:116:13)
at Socket.emit (events.js:211:7)
at addChunk (_stream_readable.js:263:12)

No living connections Error while Elasticsearch connections in nodejs

I am having this problem while connecting the elasticsearch connections.
var elasticsearch = require('elasticsearch');
var client = new elasticsearch.Client({ host: 'localhost:9200',
log: 'trace'});
Elasticsearch ERROR: 2016-07-19T19:09:26Z
Error: Request error, retrying -- connect ECONNREFUSED 127.0.0.1:9200
at Log.error (/root/git_build/FirstMoveChess/node_modules/elasticsearch/src/lib/log.js:225:56)
at checkRespForFailure (/root/git_build/FirstMoveChess/node_modules/elasticsearch/src/lib/transport.js:195:18)
at HttpConnector. (/root/git_build/FirstMoveChess/node_modules/elasticsearch/src/lib/connectors/http.js:154:7)
at ClientRequest.bound (/root/git_build/FirstMoveChess/node_modules/lodash-node/modern/internals/baseBind.js:56:17)
at emitOne (events.js:96:13)
at ClientRequest.emit (events.js:188:7)
at Socket.socketErrorListener (_http_client.js:308:9)
at emitOne (events.js:96:13)
at Socket.emit (events.js:188:7)
at emitErrorNT (net.js:1272:8)
at _combinedTickCallback (internal/process/next_tick.js:74:11)
at process._tickCallback (internal/process/next_tick.js:98:9)
Elasticsearch TRACE: 2016-07-19T19:09:27Z
-> HEAD http://localhost:9200/
I understand this question is quite old but I wanted to share how you can solve this problem.
If you are locally using elasticsearch
First thing you must do is running elasticsearch on your machine.
Error: Request error, retrying -- connect ECONNREFUSED 127.0.0.1:9200
Because above message indicates that you're not running elasticsearch locally.
So, visit the link and follow the insturction.
Docker environment
It gets much trickier here.
First, follow the instruction here.
And in case you're using node.js elasticsearch client, you have to specify elasticsearch host as 172.24.0.1.
If you use container_name or private IP of container in docker-compose.yml, it won't work.
In case of Docker Container Environment after changing from http://localhost:9200 to http://ipaddress:9200 in docker-compose.yml
please change the following live in docker-compose.yml that is related to CORS
Change this
** http.cors.allow-origin=/https?://localhost(:[0-9]+)?/ **
into this
*- http.cors.allow-origin= **

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