Strange error when receiving web hooks using the smee.io webhook proxy

I just created my first app using the ‘create-probot-app’ tool, and I’m seeing the following error every time a webhook is sent to my app:

23:55:22.926Z ERROR probot: Not Found
  Error: Not Found
      at Request.callback (/Users/arhodes/Code/ship-bot/node_modules/superagent/lib/node/index.js:696:15)
      at IncomingMessage.parser (/Users/arhodes/Code/ship-bot/node_modules/superagent/lib/node/index.js:906:18)
      at emitNone (events.js:110:20)
      at IncomingMessage.emit (events.js:207:7)
      at endReadableNT (_stream_readable.js:1045:12)
      at _combinedTickCallback (internal/process/next_tick.js:138:11)
      at process._tickDomainCallback (internal/process/next_tick.js:218:9)

I’m using the smee.io webhook proxy. I’ve got WEBHOOK_PROXY_URL set in my .env as well as APP_ID and WEBHOOK_SECRET.

From what I can tell, it looks like the smee-client is receiving the webhook correctly, but is failing to post it back to my probot app. Have I missed something with my setup?

[pnavarrc]

I’m having the same issue, which information would be useful to debug here?

my .env file (replaced my app ID and the smeet slug)

# The ID of your GitHub App
APP_ID=<app_id>
WEBHOOK_SECRET=development

# Uncomment this to get verbose logging; use `info` to show less
# LOG_LEVEL=trace

# Go to https://smee.io/new set this to the URL that you are redirected to.
WEBHOOK_PROXY_URL=https://smee.io/<slug>

The application output

03:23:57.049Z  INFO probot: Yay, the app was loaded!
03:23:57.094Z  INFO probot: Forwarding https://smee.io/<slug> to http://localhost:3000/
03:23:57.096Z  INFO probot: Listening on http://localhost:3000
03:23:59.799Z  INFO probot: Connected https://smee.io/<slug>
03:24:05.533Z ERROR probot: fn.call is not a function (id=4b3b0322-f4d9-4937-9a74-fce7b84d799c)
  TypeError: fn.call is not a function
      at /Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express-async-errors/index.js:17:20
      at Layer.handle [as handle_request] (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/layer.js:95:5)
      at trim_prefix (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:317:13)
      at /Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:284:7
      at Function.process_params (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:335:12)
      at next (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:275:10)
      at /Users/pablo/code/pnavarrc/zenhub-bot/node_modules/probot/lib/middleware/logging.js:33:5
      at /Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express-async-errors/index.js:17:20
      at Layer.handle [as handle_request] (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/layer.js:95:5)
      at trim_prefix (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:317:13)
      at /Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:284:7
      at Function.process_params (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:335:12)
      at next (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:275:10)
      at expressInit (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/middleware/init.js:40:5)
      at /Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express-async-errors/index.js:17:20
      at Layer.handle [as handle_request] (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/layer.js:95:5)
      at trim_prefix (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:317:13)
      at /Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:284:7
      at Function.process_params (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:335:12)
      at next (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:275:10)
      at query (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/middleware/query.js:45:5)
      at /Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express-async-errors/index.js:17:20
      at Layer.handle [as handle_request] (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/layer.js:95:5)
      at trim_prefix (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:317:13)
      at /Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:284:7
      at Function.process_params (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:335:12)
      at next (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:275:10)
      at Function.handle (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/router/index.js:174:3)
      at Function.handle (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/application.js:174:10)
      at Server.app (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/express/lib/express.js:39:9)
      at emitTwo (events.js:126:13)
      at Server.emit (events.js:214:7)
      at parserOnIncoming (_http_server.js:602:12)
      at HTTPParser.parserOnHeadersComplete (_http_common.js:116:23)
03:24:05.536Z  INFO probot: POST / 404 - 3.85 ms (id=4b3b0322-f4d9-4937-9a74-fce7b84d799c)
03:24:05.539Z ERROR probot: Not Found
  Error: Not Found
      at Request.callback (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/superagent/lib/node/index.js:696:15)
      at IncomingMessage.parser (/Users/pablo/code/pnavarrc/zenhub-bot/node_modules/superagent/lib/node/index.js:906:18)
      at emitNone (events.js:111:20)
      at IncomingMessage.emit (events.js:208:7)
      at endReadableNT (_stream_readable.js:1055:12)
      at _combinedTickCallback (internal/process/next_tick.js:138:11)
      at process._tickDomainCallback (internal/process/next_tick.js:218:9)

my code (index.js)

module.exports = (robot) => {
  // Your code here
  robot.log('Yay, the app was loaded!')

  robot.on(['pull_request'], async function() {
    robot.log('hi')
  })

  robot.on('*', async context => {
    robot.log('***')
  })
}

The application is enabled only on my personal account, the wehbook event was pull_request (edited) on a private repository on my personal account.

I can open a new issue and help debugging / testing if that would be useful. Cheers!

[akmalick]

I am also getting similar error. I am just not able to trigger an event from within another event. The context just seems to get lost. Hard-coding the parameters of update method works fine. But I want to make this a dynamic one, where all the details are fetched from the correct context.

I am a beginner in both probot and nodejs.

I had posted the full detail here.

This has an answer here Thanks again @gr2m