HubSpot connections in Fivetran experienced sync failures for 3.9 hours due to a NullPointerException error in the email_campaign endpoint, caused by recent changes to the connector's sync behavior. The issue was resolved by reverting the problematic sync strategy changes, restoring normal syncing functionality for affected connectors.
This incident has been resolved. We have observed that instance rates are returning to normal levels and affected connectors are syncing successfully.
Incident Summary
Description:
We identified an issue impacting Hubspot connections, which resulted in syncs failing with the following error:
"Failed to sync 1 endpoint(s) with error: {email_campaign=java.lang.NullPointerException: Cannot invoke <>"
Timeline:
This issue began on 2026-03-03 at 18:00 UTC and was resolved on 2026-02-25 at 22:00 UTC.
Cause:
This was determined to be caused by a change in connector sync behavior.
Resolution:
The changes to the sync strategy have been reverted and connections are now syncing successfully.
A fix has been implemented and we are monitoring the results.
We have identified the root cause of the issue: recent changes to the HubSpot connector introduced a NullPointerException in the email_campaign object, resulting in sync failures, and we are actively working on a hotfix to resolve it.
The issue has been identified and we are working to resolve it.
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