Enketo-express working with ODK Aggregate, but not with Formhub. What am I doing wrong?

[El Piqo]

Hi there, 

I've made Formhub work with enketo-express before, but now I'm trying with a newer version of Enketo-express (my version was about 1-2 months old) and I am having issues. I might be missing something obvious. 

It works perfectly with ODK Aggregate (even for protected forms), but when I try from Formhub it fails: it shows Request to http://MY_FORMHUB_URL/fhuser/formList failed.

Below at the console I see,  Failed to load resource: the server responded with a status of 405 (Method Not Allowed)  http://my_enketo_url:13131/transform/xform

Configuration & Logs

My Formhub settings (preset/default_settings.py):

ENKETO_URL = 'http://my_enketo_url:13131'

ENKETO_PREVIEW_URL = ENKETO_URL + 'preview'

ENKETO_API_INSTANCE_IFRAME_URL = ENKETO_URL + "/api/v2"

ENKETO_API_TOKEN = 'MY_API' # use your Enketo API key here

Grunt develop output when I request the form.

survey-model object retrieved from database for id "YYYP" +24s { openRosaServer: 'http://MY_FORMHUB_URL/fhuser',

  openRosaId: 'AA',

  submissions: '0',

  launchDate: '2015-02-24T09:37:19.257Z',

  active: 'true',

  theme: '',

  lastAccessed: '2015-02-24T15:41:08.439Z' }

  openrosa-communicator sending request to url: http://MY_FORMHUB_URL/fhuser/formList +2ms

Config.json portion

    "port": "13131",

    "offline enabled": false,

    "linked form and data server": {

        "name": "KoBoCAT",

        "server url": "*",

        "api key": "MY_API",

        "authentication": {

            "managed by enketo": true,

            "allow insecure transport": true,

            "external login url that sets cookie": "http://example.com/login?return={RETURNURL}"

        }

    },

I set server_url as * so I can accept requests from both ODK and formhub; I played around a lot with many of the settings but nothing so far. 

ps. when I visit http://MY_FORMHUB_URL/fhuser/formList using a browser I see the xml file of my uploaded forms.

Best, 

piqo

[Martijn van de Rijdt]

Hi Piqo,

server url should be '' if you're linking to multiple servers.

Is http://MY_FORMHUB_URL/fhuser/formList available when you visit the page in your browser? Or is it only available on https perhaps?

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[Martijn van de Rijdt]

Yes, the latest version should work with protected forms on Aggregate, Formhub, Ona, KoBo etc since version 1.7.0.

Maybe try to log the response from the request to http://MY_FORMHUB_URL/fhuser/formList on the server, e.g. just before this line (this link is temporary - in the future it will likely point somewhere else), add: debug('reponse', error, response.statusCode);

On Tue, Feb 24, 2015 at 1:13 PM, Edi Piqoni <piq...@gmail.com> wrote:

Hi Martijn, 

yes, formList endpoint shows fine even in 'http'. Its not caused neither by the server url, because I had left it empty initially. 

Perhaps it has to do with the protected form in Formhub? 

From what I have read in Enketo's website, Formhub is an OpenRosa compliant so theoretically it must work with protected forms in Formhub as well, right? 

Best, 

Piqo

[Edi Piqoni]

To me, that is great news (that will work with Formhub). 

Error Logs: 

{code: 405, message: "Request to http://my_formhub_url/fhuser/formList failed.", stack: "Error: Request to http://my_formhub_url/fhuser/fo…:16↵    at process._tickCallback (node.js:419:13)", status: 405}

Stack:

"Error: Request to http://my_fomhub_url/fhuser/formList failed.

    at Request._callback (/home/orbeon/enketo-express/app/lib/communicator/communicator.js:229:21)

    at Request.self.callback (/home/my_dir/enketo-express/node_modules/request/request.js:344:22)

    at Request.emit (events.js:98:17)

    at Request.<anonymous> (/home/my_dir/enketo-express/node_modules/request/request.js:1239:14)

    at Request.emit (events.js:117:20)

    at IncomingMessage.<anonymous> (/home/my_dir/enketo-express/node_modules/request/request.js:1187:12)

    at IncomingMessage.emit (events.js:117:20)

    at _stream_readable.js:943:16

    at process._tickCallback (node.js:419:13)"

[Martijn van de Rijdt]

Thanks,

I was able to reproduce it with formhub.org. It seems there is a subtle difference with Ona (I had only tested with Ona and ODK Aggregate). You can track the bug here: https://github.com/kobotoolbox/enketo-express/issues/165

It does not appear to be related to authentication.

Cheers,
Martijn

[Martijn van de Rijdt]

I created a fix that works for me. Can you check as well? Thanks!

[El Piqo]

Ok, I changed that line to return _request( options )

and now the form shows, but authentication doesnt seem to work. The form is set private,,, but publicly available. 

(I will have to check tomorrow, and confirm) 

Thanks

[El Piqo]

Found why the form was public, looked into formhub code and found that UserProfile model had a require_auth field that should have been true. (its a setting in user settings)

Now it works sometimes [about half of the time] because of a formhub-related error when openrosa-communicator sends the request to url: http://my.formhub.url/fhuser/formList +10ms . I'll contact formhub guys [if the project is still active, last commit about 6 months ago], but I'm also posting the error here, just in case, some other enketo-user faces the same problem:

DatabaseError at /fhuser/formList

DatabaseWrapper objects created in a thread can only be used in that same thread. The object with alias 'default' was created in thread id 139787581331200 and this is thread id 139787525252864.

Request Method:	GET
Request URL:	http://my.formhub.url/fhuser/formList
Django Version:	1.5.10
Exception Type:	DatabaseError
Exception Value:	DatabaseWrapper objects created in a thread can only be used in that same thread. The object with alias 'default' was created in thread id 139787581331200 and this is thread id 139787525252864.
Exception Location:	/usr/local/lib/python2.7/dist-packages/django/db/backends/__init__.py in validate_thread_sharing, line 154
Python Executable:	/usr/local/bin/uwsgi
Python Version:	2.7.3
Python Path:	['.', '', '/usr/lib/python2.7', '/usr/lib/python2.7/plat-linux2', '/usr/lib/python2.7/lib-tk', '/usr/lib/python2.7/lib-old', '/usr/lib/python2.7/lib-dynload', '/usr/local/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages/PIL']
Server time:	Wed, 25 Feb 2015 11:25:28 -0500

Best, 

piqo

[Martijn van de Rijdt]

Thanks piqo,

That's very useful.

I'm afraid you won't get a response from formhub until the project is revived. I'd recommend looking into two active forks instead: Ona and KoBo.

Cheers,