connect ECONNREFUSED

[KornatisOG]

This is the result of running the hello world in Gitpod versión

$ npm run start

helloworld@0.0.1 start
ts-node src/client/main.ts

Let's say hello to a Solana account...
Failed to read RPC url from CLI config file, falling back to localhost
FetchError: request to http://localhost:8899/ failed, reason: connect ECONNREFUSED 127.0.0.1:8899
at ClientRequest. (/workspace/example-helloworld/node_modules/node-fetch/lib/index.js:1461:11)
at ClientRequest.emit (events.js:315:20)
at ClientRequest.EventEmitter.emit (domain.js:467:12)
at Socket.socketErrorListener (_http_client.js:469:9)
at Socket.emit (events.js:315:20)
at Socket.EventEmitter.emit (domain.js:467:12)
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) {
type: 'system',
errno: 'ECONNREFUSED',
code: 'ECONNREFUSED'
}

[jstarry]

This means that the local validator is not running. You can run solana-test-validator in a separate terminal pane to fix this issue