Shared secret failure / Fraudulent JWT Token error

See https://developer.atlassian.com/cloud/jira/platform/security-for-connect-apps/#in-case-of-the-installation-secret-being-out-of-sync where the following was found:

 

In case of the installation secret being out of sync

There are various of reasons that the installation secret can be desynchronized. In such a case, consider going with the following viable options upon your requirements:

 

Action

Resolution time

Blast radius

End-user interactions

 

Action

Resolution time

Blast radius

End-user interactions

1*

Bump up the micro version of your app so that the daily lifecycle event can send a newly issued secret

Up to 33 hours

All sites where the app is installed

Not required

2

Request an administrator of the site to uninstall and reinstall the app, which will send a new secret immediately

As soon as the app is reinstalled

Only one specific site

Manual operation from the administrator is required

3

Submit a Developer Support ticket requesting a single site to be reset

Depends upon the ticket's resolution time

Only one specific site

Not required

#1 is not a quick path, has to be driven by a new version release by us, which is not necessarily something we can just do.