Unable to subscribe app to heroku page about messenger-bot-tutorial HOT 15 OPEN

When I try to load up the heroku link it shows the app is broken. Can you paste in what the heroku logs say?

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Sure no problem. I tried to open my application and it said the same thing. so I went to view logs on heroku and copyed the text. I hope this help cause im still lost :(

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I'm having the same issue... was any conclusion made on how to solve this problem?

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Remove all app.get and app.post except root path

app.get('/', function (req, res) {
    res.send('hello world i am a secret bot')
})

it should be ok, if not pls check on heroku

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I did this but its still not working for me

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@shurm and @Marisha-Sahay I faced this same issue and here is what I did to solve it.

When I tried to run it locally using node index.js it gave me an error saying:

const express = require('express');
SyntaxError: Use of const in strict mode.

So I replaced all const in the code with var

After tha,t I ran it again locally and it gave an error saying: Cannot find module 'request', so I did

npm install request --save

After this, I ran it locally and it gave the message "Hello world, I am a chat bot". I deployed it to Heroku and ran it from there again and it gave the same message. So now the app is working on Heroku. I did the Facebook webhook setup again and it worked.

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Hi what URL are you using? You should add /webhook/ to your FB URL

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@neeraj87 I am getting the same problem. my code is running good and I am getting output in local port but when deployed to heroku, I am getting the error message(check the image). Is there something we need to change in the script before deploying it to Heroku? I have no prior knowledge to Heroku cloud.

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@codename-47 few ways to debug.

1. Have you included the procfile?
2. install heroku toolbelt on your machine and print out logs: heroku logs --app appname

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@neeraj87 Thanks. yes, I have included the procfile. However when I am using heroku logs --app appname, heroku is not recognising the app. (chatbot is my app name). Any comments on that?

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On your app's dashboard in heroku, there is a More button near Open App which has View Logs option. Open your app, when it shows the application error then go back and View logs, it will show you the logs on heroku.

Regarding the screenshot above, have you first logged in heroku toolbelt from terminal? Also, are you the primary owner of the app or a collaborator?

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@neeraj87 What connection string are you providing in the code? I have hardcoded it to my local machine port 5000. That might be the problem?

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@neeraj87 @Marisha-Sahay @shurm it worked!!! We need to provide start script to "start": "node index.js" in package.json file. Thanks for all the help.

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@codename-47 glad you got it figured out.

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Okay so, since I am having the exact same problem, here is what I have to show for now:

Error Received:

The URL couldn't be validated. Callback verification failed with the following errors: HTTP Status Code = 503; HTTP Message = Service Unavailable

Did definitely use:

.../webhook/

The package.json is also configured:

Now, the heroku dashboard shows that things are running, but I still get the error page too:

Application Page Error:

And, here is the latest log:

2018-02-14T23:21:54.685786+00:00 app[web.1]: npm ERR! You can get information on how to open an issue for this project with:
2018-02-14T23:21:54.685947+00:00 app[web.1]: npm ERR!     npm bugs gui-webview
2018-02-14T23:21:54.686279+00:00 app[web.1]: npm ERR! Or if that isn't available, you can get their info via:
2018-02-14T23:21:54.686621+00:00 app[web.1]: npm ERR!     npm owner ls gui-webview
2018-02-14T23:21:54.686965+00:00 app[web.1]: npm ERR! There is likely additional logging output above.
2018-02-14T23:21:54.695161+00:00 app[web.1]: 
2018-02-14T23:21:54.695468+00:00 app[web.1]: npm ERR!     /app/npm-debug.log
2018-02-14T23:21:54.695355+00:00 app[web.1]: npm ERR! Please include the following file with any support request:
2018-02-14T23:21:54.814625+00:00 heroku[web.1]: State changed from starting to crashed
2018-02-14T23:22:37.464232+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/webhook/?hub.mode=subscribe&hub.challenge=1669061154&hub.verify_token=connect123" host=gradconnect-signup-bot.herokuapp.com request_id=18da082a-629b-479a-8af7-49ed206fbbb1 fwd="69.171.225.21" dyno= connect= service= status=503 bytes= protocol=https
2018-02-14T23:28:58.183029+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=gradconnect-signup-bot.herokuapp.com request_id=619e38e1-d6d5-4456-adb0-2a5572957fb0 fwd="45.127.50.230" dyno= connect= service= status=503 bytes= protocol=https

Any idea what I might still be doing wrong?

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