Issue Summary

During migration plan run, the status can show as INCOMPLETE. The Bitbucket Server application logs show a 409 error indicating a conflict.

Steps to Reproduce

This is reproducible on Data Center: yes and no
Intermittent

Expected Results

Migration completes successfully.

Actual Results

Migration fails with INCOMPLETE status (see attached screenshot)

The below exception is thrown in the atlassian-bitbucket.log file:

Caused by: com.atlassian.bitbucket.plugin.bcma.httpclient.exceptions.UnexpectedStatusCodeException: Received an unexpected status code; expected [200], but received 409: {"timestamp":"2023-09-05T03:15:35.944+00:00","path":"/api/v1/xxxxxxxx-xxxx-xxxxxxxxx-xxxx-xxxxxxxxxx/tasks/pollAndLock","status":409,"error":"Conflict","requestId":"xxxxxxxx-xxxxxxxx"}

We are also seeing error:

Caused by: com.atlassian.bitbucket.plugin.bcma.httpclient.exceptions.UnexpectedStatusCodeException: Received an unexpected status code; expected [201], but received 401: {"code":401,"message":"Unauthorized"}

Workaround

The following steps appear to work:

1. Restart Bitbucket Server
2. Create a new plan + refresh cloud token
3. Retry migration