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What does unable to lock row Mean in Salesforce?
The lock gets released when the transaction completes. When two users or two different apex code tries to update the same record, then salesforce throws an error “UNABLE_TO_LOCK_ROW unable to obtain exclusive access to this record”. Using FOR UPDATE keyword helps to achieve a lock a client end to prevent this locking issues.
When to use the unable to lock row keyword?
First exception on row 0 with id a145000000C6g5HAAR; first error: UNABLE_TO_LOCK_ROW, unable to obtain exclusive access to this record or 1 records: a145000000C6g5HAAR: [] When you have multiple jobs running that update the same set of records, it’s recommended to lock the records using the FOR UPDATE keyword.
When does the lock get released in Salesforce?
The lock gets released when the transaction completes. When two users or two different apex code tries to update the same record, then salesforce throws an error “UNABLE_TO_LOCK_ROW unable to obtain exclusive access to this record”.
How to reduce record level locking in Salesforce?
Record Level Locking is a common scenario which can be reduced. 1. You can enable Debug logs for the user who is facing the error, to find the offending trigger/flow/ValidationRules/ causing the issue. 2. Check for any dependent background Jobs that are running on the same object.
Why do I get the unable to lock row error?
UNABLE_TO_LOCK_ROW:unable to obtain exclusive access to this record or 124 records… After the error there is a long list of Account record Id’s. All triggers are disabled. I am unsure why this is happening… Why am I getting this error? What can I do I better understand the error? How might fix it?
Is it reasonable to assume that Salesforce is smart?
If I’m upserting a block of 200 records, any number of which may share the same parent (and factor into the same roll-up summary, which in turn drives a formula field), is it reasonable to assume that Salesforce is smart enough to order its operations such that no deadlocks will occur? Correct, a single API call can’t deadlock itself.
How does a Salesforce insert work in Salesforce?
The way Salesforce works in this case is that it locks (or attempts to lock) the related object. If it can’t lock it then the insert fails. Our workaround was to change the relationship to allow the reference to be nulled, but then set up a trigger that disallows deletion of the related object when there are still objects referencing it.