Ensure you are running the latest version of the connector. You will need version 4.8.2 master 12. This can be identified in the logs with the following line:
ca_agile_central2_jira_connector version: 4.8.2-53
If you are running this version or later, then the issue likely to do with the authentication directives specified.
If this is the case, ensure that your <JiraConnection> section is
- Using email address as the login
- Using a token as the password
- Including the <AccountID> directive