Outage in Fivetran
Fivetran: Hybrid Deployment Agent jobs failing to start with error "Connection pool shut down"
Resolved MinorIncident Report
Summary AI Generated
Fivetran's Hybrid Deployment Agent experienced a "Connection pool shut down" error that caused syncs to fail to start and connections to fail during setup tests, affecting only Docker/Podman environments. The issue lasted 7.4 hours and impacted data synchronization operations for customers using hybrid deployments. Fivetran resolved the incident by deploying a hot fix and releasing updated HD agent images, with existing customers advised to restart their controllers to apply the fix.
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. HD agent logs show the following error
"Return CreateJobResponse/Failure, Caused By User: false - CREATE_JOB_ERROR/Connection pool shut down {process_id=XXX}"
This issue only affects HD deployments in Docker/Podman environments.
Components affected
Fivetran General ServicesTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
about 18 hours ago - at 05/29/2026 11:59PM
This incident has been resolved.
MONITORING
about 20 hours ago - at 05/29/2026 09:44PM
We are monitoring the results of the fix. Customers are advised to restart their HD agents.
IDENTIFIED
about 20 hours ago - at 05/29/2026 09:30PM
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
IDENTIFIED
about 20 hours ago - at 05/29/2026 09:23PM
We have identified the root cause and have deployed a hot fix.
IDENTIFIED
about 20 hours ago - at 05/29/2026 09:20PM
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. HD agent logs show the following error
"Return CreateJobResponse/Failure, Caused By User: false - CREATE_JOB_ERROR/Connection pool shut down {process_id=XXX}"
This issue only affects HD deployments in Docker/Podman environments.
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