Org2Org Provisioning "Error while verifying if user exists. MessageBodyReader not found for media"
Oct 13, 2025
Okta Integration Network
Okta Classic Engine
Okta Identity Engine
Overview
When setting up an Org2Org Configuration using the OIN app, this error may occur when provisioning a user to the App:
Automatic provisioning of user <User Name> to app Okta Org2Org failed: Error while verifying if <username> exists: MessageBodyReader not found for media type=text/html;charset=utf-8, type=interface java.util.List, genericType=java.util.List<com.saasure.application.okta_org2org.client.object.OktaOrg2OrgUser>."
Applies To
- Okta Integration Network (OIN)
- Org2Org Application
Cause
This issue is due to using the incorrect Base URL in the General Settings tab for the Org2Org OIN app.
Solution
- Navigate to the Org2Org application settings.
- Click the General tab.
- Click the Edit button to correct the Base URL.
- The Base URL should only have the first part of the URL: https://example.okta.com or https://example.oktrapreview.okta.com.
- Clear out the Task Error (Dashboard > Tasks > Retry Selected) or remove the user from the application under Assignments and re-add the user.
