N8N Enterprise - SSO Configuration Jumpcloud

[Luciano_Pinto]

I tried configuring SSO with n8n and jumpcloud but ended up getting an error:

" The “url” argument must be of type string. Received an instance of Object

n8n version: 1.71.3
Database (default: SQLite): AWS RDS Postgres
Running n8n via ECS Fargate

[n8n]

It looks like your topic is missing some important information. Could you provide the following if applicable.

• n8n version:
• Database (default: SQLite):
• n8n EXECUTIONS_PROCESS setting (default: own, main):
• Running n8n via (Docker, npm, n8n cloud, desktop app):
• Operating system:

[Luciano_Pinto]

n8n version: 1.71.3
Database (default: SQLite): AWS RDS Postgres
n8n EXECUTIONS_PROCESS setting main
Running n8n via ECS Fargate

• Operating system: Amazon Linux

[ria]

Hi @Luciano_Pinto

Can you please share where exactly you are getting this error? Do you have any screenshots?
Also, can you share more information on how you’re trying to set up SSO?

That would help to understand your issue better Thanks!

[Luciano_Pinto]

Hi @ria , thanks for reply!

Below, I’ve included evidence of the error and how I’m sending the configuration:

Using URL

Using XML

If you need more information, let me know.strong text

[Luciano_Pinto]

@ria

How are we configuring it?

We’re following this documentation exactly as outlined. Set up SAML | n8n Docs

[ria]

Hi @Luciano_Pinto

Can you try the following:

1. Clear the Metadata URL
2. Save
3. Reboot n8n and only configure XML

and see if that helps?

Do you get anything in the logs related to this?

[Luciano_Pinto]

Hi @ria , the same error

Logs:

Dec 23, 2024 @ 11:06:20.407TypeError: The “url” argument must be of type string. Received an instance of Object
Dec 23, 2024 @ 11:06:20.407 at Url.parse (node:url:171:3)
Dec 23, 2024 @ 11:06:20.407 at Object.urlParse (node:url:142:13)
Dec 23, 2024 @ 11:06:20.407 at buildRedirectURL (/usr/local/lib/node_modules/n8n/node_modules/samlify/build/src/binding-redirect.js:74:25)
Dec 23, 2024 @ 11:06:20.407 at Object.loginRequestRedirectURL (/usr/local/lib/node_modules/n8n/node_modules/samlify/build/src/binding-redirect.js:125:22)
Dec 23, 2024 @ 11:06:20.407 at ServiceProvider.createLoginRequest (/usr/local/lib/node_modules/n8n/node_modules/samlify/build/src/entity-sp.js:86:51)
Dec 23, 2024 @ 11:06:20.407 at SamlService.getRedirectLoginRequestUrl (/usr/local/lib/node_modules/n8n/dist/sso/saml/saml.service.ee.js:172:33)
Dec 23, 2024 @ 11:06:20.407 at SamlService.getLoginRequestUrl (/usr/local/lib/node_modules/n8n/dist/sso/saml/saml.service.ee.js:165:31)
Dec 23, 2024 @ 11:06:20.407 at processTicksAndRejections (node:internal/process/task_queues:95:5)
Dec 23, 2024 @ 11:06:20.407 at SamlController.handleInitSSO (/usr/local/lib/node_modules/n8n/dist/sso/saml/routes/saml.controller.ee.js:148:24)
Dec 23, 2024 @ 11:06:20.407 at SamlController.configTestGet (/usr/local/lib/node_modules/n8n/dist/sso/saml/routes/saml.controller.ee.js:145:16)
Dec 23, 2024 @ 11:06:20.407 -
Dec 23, 2024 @ 11:06:20.4062024-12-23T14:06:20.406Z | error | The “url” argument must be of type string. Received an instance of Object
Dec 23, 2024 @ 11:06:20.2782024-12-23T14:06:20.278Z | error | The “url” argument must be of type string. Received an instance of Object
Dec 23, 2024 @ 11:06:20.278TypeError: The “url” argument must be of type string. Received an instance of Object
Dec 23, 2024 @ 11:06:20.278 at Url.parse (node:url:171:3)
Dec 23, 2024 @ 11:06:20.278 at Object.urlParse (node:url:142:13)
Dec 23, 2024 @ 11:06:20.278 at buildRedirectURL (/usr/local/lib/node_modules/n8n/node_modules/samlify/build/src/binding-redirect.js:74:25)
Dec 23, 2024 @ 11:06:20.278 at Object.loginRequestRedirectURL (/usr/local/lib/node_modules/n8n/node_modules/samlify/build/src/binding-redirect.js:125:22)
Dec 23, 2024 @ 11:06:20.278 at ServiceProvider.createLoginRequest (/usr/local/lib/node_modules/n8n/node_modules/samlify/build/src/entity-sp.js:86:51)
Dec 23, 2024 @ 11:06:20.278 at SamlService.getRedirectLoginRequestUrl (/usr/local/lib/node_modules/n8n/dist/sso/saml/saml.service.ee.js:172:33)
Dec 23, 2024 @ 11:06:20.278 at SamlService.getLoginRequestUrl (/usr/local/lib/node_modules/n8n/dist/sso/saml/saml.service.ee.js:165:31)
Dec 23, 2024 @ 11:06:20.278 at processTicksAndRejections (node:internal/process/task_queues:95:5)
Dec 23, 2024 @ 11:06:20.278 at SamlController.handleInitSSO (/usr/local/lib/node_modules/n8n/dist/sso/saml/routes/saml.controller.ee.js:148:24)
Dec 23, 2024 @ 11:06:20.278 at SamlController.configTestGet (/usr/local/lib/node_modules/n8n/dist/sso/saml/routes/saml.controller.ee.js:145:16)
Dec 23, 2024 @ 11:06:20.278 -
Dec 23, 2024 @ 11:06:20.2462024-12-23T14:06:20.245Z | error | The “url” argument must be of type string. Received an instance of Object
Dec 23, 2024 @ 11:06:20.246TypeError: The “url” argument must be of type string. Received an instance of Object
Dec 23, 2024 @ 11:06:20.246 at Url.parse (node:url:171:3)
Dec 23, 2024 @ 11:06:20.246 at Object.urlParse (node:url:142:13)
Dec 23, 2024 @ 11:06:20.246 at buildRedirectURL (/usr/local/lib/node_modules/n8n/node_modules/samlify/build/src/binding-redirect.js:74:25)
Dec 23, 2024 @ 11:06:20.246 at Object.loginRequestRedirectURL (/usr/local/lib/node_modules/n8n/node_modules/samlify/build/src/binding-redirect.js:125:22)
Dec 23, 2024 @ 11:06:20.246 at ServiceProvider.createLoginRequest (/usr/local/lib/node_modules/n8n/node_modules/samlify/build/src/entity-sp.js:86:51)
Dec 23, 2024 @ 11:06:20.246 at SamlService.getRedirectLoginRequestUrl (/usr/local/lib/node_modules/n8n/dist/sso/saml/saml.service.ee.js:172:33)
Dec 23, 2024 @ 11:06:20.246 at SamlService.getLoginRequestUrl (/usr/local/lib/node_modules/n8n/dist/sso/saml/saml.service.ee.js:165:31)
Dec 23, 2024 @ 11:06:20.246 at processTicksAndRejections (node:internal/process/task_queues:95:5)
Dec 23, 2024 @ 11:06:20.246 at SamlController.handleInitSSO (/usr/local/lib/node_modules/n8n/dist/sso/saml/routes/saml.controller.ee.js:148:24)
Dec 23, 2024 @ 11:06:20.246 at SamlController.configTestGet (/usr/local/lib/node_modules/n8n/dist/sso/saml/routes/saml.controller.ee.js:145:16)
Dec 23, 2024 @ 11:06:20.246 -
Dec 23, 2024 @ 11:06:20.1072024-12-23T14:06:20.106Z | error | The “url” argument must be of type string. Received an instance of Object
Dec 23, 2024 @ 11:06:20.107TypeError: The “url” argument must be of type string. Received an instance of Object
Dec 23, 2024 @ 11:06:20.107 at Url.parse (node:url:171:3)
Dec 23, 2024 @ 11:06:20.107 at Object.urlParse (node:url:142:13)
Dec 23, 2024 @ 11:06:20.107 at buildRedirectURL (/usr/local/lib/node_modules/n8n/node_modules/samlify/build/src/binding-redirect.js:74:25)
Dec 23, 2024 @ 11:06:20.107 at Object.loginRequestRedirectURL (/usr/local/lib/node_modules/n8n/node_modules/samlify/build/src/binding-redirect.js:125:22)
Dec 23, 2024 @ 11:06:20.107 at ServiceProvider.createLoginRequest (/usr/local/lib/node_modules/n8n/node_modules/samlify/build/src/entity-sp.js:86:51)
Dec 23, 2024 @ 11:06:20.107 at SamlService.getRedirectLoginRequestUrl (/usr/local/lib/node_modules/n8n/dist/sso/saml/saml.service.ee.js:172:33)
Dec 23, 2024 @ 11:06:20.107 at SamlService.getLoginRequestUrl (/usr/local/lib/node_modules/n8n/dist/sso/saml/saml.service.ee.js:165:31)
Dec 23, 2024 @ 11:06:20.107 at processTicksAndRejections (node:internal/process/task_queues:95:5)
Dec 23, 2024 @ 11:06:20.107 at SamlController.handleInitSSO (/usr/local/lib/node_modules/n8n/dist/sso/saml/routes/saml.controller.ee.js:148:24)
​
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[ria]

Hi @Luciano_Pinto
Thanks for this!

Please note that metadata URL/metadata xml are not a secret, but should only contain public keys. Security concerns with providing SAML metadata on public URL - Stack Overflow

I would say for further debugging, please email our support team at [email protected] with the following things (you can refer to this thread).

(from your browser Dev Tools):

1. Copy as Fetch the config request (.../rest/sso/saml/config)
2. and also Copy value of the body (‘preview’) → this has the stacktrace, which would be very helpful

Thanks!

[Luciano_Pinto]

Hi @ria , good afternoon!

Email sent, I’ll keep you updated with any news.

Thanks for now!

[vladaman]

I am facing same issue with Jumpcloud. Any progress on that?

The issue is, that baseUrl is an object at buildRedirectURL(opts)

I changed .js file with following and it works:

function buildRedirectURL(opts) {
    var baseUrl = opts.baseUrl['urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST'], type = opts.type, isSigned = opts.isSigned, context = opts.context, entitySetting = opts.entitySetting;

n8n-1  |   baseUrl: {
n8n-1  |     'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST': 'https://sso.jumpcloud.com/saml2/n8n'
n8n-1  |   },

Make sure you properly configure Jumpcloud Attributes Mapping:

[Luciano_Pinto]

Hi @vladaman ,

Thanks for reply.

I still haven’t received a definitive answer. The generated XML is correct, following the documentation at Set up SAML | n8n Docs

[Manu_Jain]

I’m encountering the same error, @ria did you found any solution for it