Issue
Scheduled refresh tasks on Tableau Online for extracts of cloud-hosted data failed with the following error. The task type has been changed to "Bridge Refresh" and doesn't display in Background Tasks for Extracts view.
after running for 0.0 min because of: com.tableausoftware.domain.online.remoteagents.RemoteQueryServiceException: category=CONFLICT errorId=NO_POOLED_AGENTS_ASSIGNED domainErrorCode=330209 id=<id> host=<ipaddress> timeStamp=<time stamp> (errorCode=330209)