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STATEREPOSITORY_E_CONCURRENCY_LOCKING_FAILURE
STATEREPOSITORY_E_CONCURRENCY_LOCKING_FAILURE belongs to Windows StateRepository. It marks an optimistic update lost because the stored row changed after it was read. The useful starting point is the exact API, object and state transition that returned 0x80670001, because a shell or application message can hide that boundary.
First rejecting layer
StateRepository is infrastructure for the Windows application model., the HRESULTs expose distinctions familiar from transactional stores: optimistic concurrency, an unfinished prepared statement, database-versus-table locking, shared-cache contention, recovery, schema compatibility, corruption, and service shutdown. During a this result investigation, these are not interchangeable reasons to delete the repository.
When it is returned, optimistic concurrency compares the caller’s read version with current repository state. During a this result investigation, the failure protects a newer write from being overwritten and should lead to reread-and-reconcile logic, not a database lock reset.
The first owner to inspect is the StateRepository request, database connection, prepared statement, transaction, schema generation, or service lifecycle that rejected the operation.
Smallest faithful test
During a this result investigation, reduce the case while preserving the condition described by the HRESULT.
- First: Reread the entity in a new transaction.
- Next: Reapply only changes that remain valid.
- Then: Detect and surface true field conflicts.
- Finally: Retry with a bounded conflict policy.
Diagnostic matrix
- Entity key and original version token. for it, this places the event on the lifecycle or transaction timeline within the Windows StateRepository boundary.
- Current stored version. for it, this separates caller input from environment and service state within the Windows StateRepository boundary.
- Competing writer and transaction. for it, this creates a stable comparison across retries or another machine within the Windows StateRepository boundary.
- Fields changed by each writer. for it, this pins the event to an object or resource generation within the Windows StateRepository boundary.
What each result would imply
- Isolated connection against a repository copy: for it, a changed result separates retained object, connection, path, host, or device state from the original input. Hold constant: for it, preserve schema, data generation, and transaction sequence.
- Reduced failing operation: If this result follows the reduced step, the rejecting transition is localized. Hold constant: for it, retain entity key and original version token and remove only unrelated work.
- Targeted corrective control: Use this as a diagnostic branch rather than a blanket workaround: reread the entity in a new transaction. Hold constant: for it, keep the original it sample available for the final regression test.
Limits of the HRESULT
BUSY and LOCKED codes concern inability to acquire database resources; optimistic failure occurs after a logical version comparison.
Do not overwrite the newer row or delete repository files to make the retry succeed.
Prove the repair
Treat it as corrected only when concurrent writers preserve both intended changes or report a deterministic conflict without lost updates; retain the original negative case so fallback cannot be mistaken for repair.
Technical references
The references below define the API family or storage/protocol behavior used to interpret it.
- Microsoft Win32 metadata: winerror.h
- SQLite: File locking and concurrency
- SQLite: Result and extended result codes
- SQLite: Transaction control
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