Fivetran incident
Fivetran: Hybrid Deployment Agent jobs failing to start with error "Connection pool shut down"
Resolved after 7 hours 19 minutes, affecting General Services, on May 29, 2026.
A fix has been implemented and we are monitoring the results.
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.
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