A consultant for Cloud Kicks is migrating data from an on-premise system to Salesforce. The consultant has imported Account records, and is attempting to import the associated Contacts using Data Loader, but the import has failed records. The error messages all read UNABLE TO LOCK ROW.
What could be causing these records to fail?
Click on the arrows to vote for the correct answer
A. B. C. D.C
The error message "UNABLE TO LOCK ROW" indicates that there is a problem with locking the records during the import process. This error typically occurs when there are concurrent updates or operations being performed on the same set of records.
Let's analyze each answer choice to determine the potential cause of the failed records:
A. An Apex Trigger on the Account object is firing on insert and causing the Contact import to fail. This answer suggests that an Apex Trigger on the Account object might be causing the issue. Apex Triggers are pieces of code that execute before or after specific events occur in Salesforce, such as record insertion, deletion, or update. If there is a trigger on the Account object that performs some operations when records are inserted, it's possible that this trigger is causing conflicts during the Contact import. For example, the trigger might be locking the Account records or related data, preventing the Contacts from being inserted. Therefore, this answer choice is a potential cause for the failed records.
B. Contact records should be imported in the same data batch as Account records. This answer suggests that Contact records should be imported in the same data batch as Account records. Data Loader is a Salesforce tool used for bulk importing or updating records, and it allows you to specify the batch size for processing. If Contact records and Account records are not imported in the same batch, it's possible that the Contacts are being processed at the same time as other operations on the Account records. This concurrent processing could lead to locking conflicts and result in failed records. Therefore, this answer choice is also a potential cause for the issue.
C. Updates to child records that have the same parent records are being processed simultaneously. This answer suggests that simultaneous updates to child records with the same parent records might be causing the failed records. In this scenario, if multiple updates are being performed on child records associated with the same parent records during the import, it could result in locking conflicts. For example, if there are multiple updates to different Contact records associated with the same Account, the system may encounter locking conflicts while trying to process these updates simultaneously. Therefore, this answer choice is another potential cause for the issue.
D. The consultant has incorrect permissions to import data using Data Loader. This answer suggests that the consultant may have incorrect permissions to import data using Data Loader. Permissions play a crucial role in Salesforce, and if the consultant doesn't have the necessary permissions to perform data imports, it could result in failed records. However, the "UNABLE TO LOCK ROW" error message specifically points towards locking conflicts rather than permission issues. Therefore, while permissions are important, this answer choice is less likely to be the direct cause of the failed records compared to the other options.
In summary, both answer choices A and B, and potentially C, could be causing the failed records. It's important to further investigate the presence of triggers, batch processing, and simultaneous updates on child records to determine the exact cause of the issue.