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OpenID - "Oops - an error has occurred"

I'm trying to setup OID with Amazon Cognito. I setup everything as needed but when I open Confluence and login with the SSO details, I get the following error:

Cause

java.lang.NullPointerException
    at com.atlassian.plugins.authentication.impl.web.oidc.OidcConsumerServlet.doGet(OidcConsumerServlet.java:114)

 Googling around I found some similar errors but their solutions didn't apply to my case, at least not as far as I know.

Any help would be appreciated :)

2 answers

1 accepted

0 votes
Answer accepted

Hi @Daniel
Welcome to the Atlassian Community.

If you check the application logs you may have an error related to this issue, together with a stack trace.

Could you please paste that here?

Kind regards,
Thiago Masutti

Can you paste a screenshot of the OIDC configuration in Confluence?
You may redact some information if needed.

Thanks @Daniel 

On Username mapping you need to use ${sub} instead of just sub.
See if that works.

Have you manually added any information on the Additional settings section?
Have you faced any error when using the automatic configuration?

If so, check if you have access to to your Amazon Cognito tenant from the Confluence server.
Maybe running the following command will help with ensuring network connection is possible from the server.

telnet <your-tenant>.amazoncognito.com 443

Let us know the results.

Kind regards,
Thiago Masutti

I tried ${sub} before I used sub, that didn't change anything .

I manually added the information in additional settings because it couldn't recognize those automatically. I opened a thread about it earlier actually but thought it might be resolved thanks to editing everything manually. 

443 port seems to be open:

[ec2-user@confluence ~]$ nc -zv URL.auth.eu-west-1.amazoncognito.com 443
Ncat: Version 7.50 ( https://nmap.org/ncat )
Ncat: Connected to IP:443.
Ncat: 0 bytes sent, 0 bytes received in 0.02 seconds.

 

Just added a comment on the other thread  and it should fix this problem as well

@Thiago Masutti Thank you! Now it can fetch the info automatically, but I'm facing a new issue when I'm logging in.

 

I created a local user in my Cognito pool and when I login, I get the following error:

We can't log you in right now

Please contact your administrator.

Technical details

And here's a long list of errors: com.atlassian.plugins.authentication.impl.web.usercontext.impl.jit.JitException - Pastebin.com

That's great, @Daniel 

That issue is related to the JIT user provisioning feature.

What if you create the same user in the Confluence internal directory, disable JIT provisioning and try the authentication?

Note that you are using OIDC sub as the username mapping, so that should be the username in Confluence as well.

With this we will at least guarantee the authentication flow is working fine and then focus on JIT.

Kind regards,
Thiago Masutti

0 votes

Hey @Thiago Masutti

Just wanted to drop-in and update we've managed to overcome this,

What if you create the same user in the Confluence internal directory, disable JIT provisioning and try the authentication?

This definitely worked.

JIT user provisioning failed for us due to the fact the the local user Cognito pool we were testing with, users were not part of any group. Once a group was created and populated with users, JIT provisioning worked and we've managed to log-in!

Thanks a bunch for the help!

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