Fivetran incident
Fivetran: Hybrid Deployment Agent jobs failing to start with error "Connection pool shut down"
Fivetran experienced a minor incident on May 29, 2026 affecting General Services, lasting 7h 19m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified May 29, 2026, 09:20 PM UTC
The Fivetran Hybrid Deployment Agent is experiencing an issue that may cause syncs to fail to start or connections to fail during setup tests and syncs. The error in the agent logs is "Return CreateJobResponse/Failure, Caused By User: false - CREATE_JOB_ERROR/Connection pool shut down {process_id=XXX}"
- identified May 29, 2026, 09:23 PM UTC
We have identified the root cause and have deployed a hot fix.
- identified May 29, 2026, 09:30 PM UTC
The hot fix should be reflected in the new HD agent images. For existing HD agents, restarting the controller should resolve the issue. Customers are advised to restart their controller with the following commands: cd ~/fivetran ./hdagent.sh stop ./hdagent.sh start
- monitoring May 29, 2026, 09:44 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved May 29, 2026, 11:59 PM UTC
This incident has been resolved.