UNABLE_TO_LOCK_ROW: unable to obtain exclusive access to this record
Summary
The write-up addresses common blocking errors related to Salesforce triggers, specifically the 'UNABLE_TO_LOCK_ROW' error, which occurs when exclusive access to a record can't be obtained during transactions. It explores causes of this issue within trigger contexts and suggests practical methods Salesforce teams can adopt to handle or avoid record locking conflicts. Understanding these techniques helps Salesforce developers and admins optimize transaction management and improve org reliability in concurrent operations.
Takeaways
- Investigate record locking errors within triggers to identify concurrent update conflicts.
- Implement retry mechanisms or use Queueable Apex to mitigate record locking issues.
- Avoid heavy DML operations on the same records in concurrent transactions.
- Use sharing and transaction management best practices to reduce locking contention.
Today I’d like to talk about triggers in Salesforce transactions — and what to do when you encounter blocking errors in your org, for...