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RO_E_COMMITTED
Object was already committed
RO_E_COMMITTED is HRESULT 2147483678 (0x8000001E) from winerror.h. AllStat describes it as “The object has been committed.” In the Windows Runtime metadata, object lifetime, asynchronous operation, activation, and apartment model, the code identifies a specific failure boundary and should not be replaced by a generic COM exception.
Telemetry should preserve this result as a separate outcome rather than merging it with unrelated COM or WinRT failures.
Where it is encountered
- C++/WinRT, WRL,.NET projections, or native WinRT ABI calls. Record the interface, method, component version, thread, apartment, process, and correlation ID.
- Runtime-class activation, WinMD reflection, asynchronous objects, observable state, or view lifecycle.
- Cross-thread and cross-apartment handoff between UI, ASTA, STA, MTA, broker, and background work.
The immediate focus for it is a mutable builder, transaction, or runtime object whose commit operation made its state final and disallows further modification or a second commit. Keep it attached to that operation; the same numeric severity outside the owning API does not supply enough context.
Decisive interpretation boundary
Before choosing recovery, verify that the first commit completed, durable output is identifiable, and the caller is not confusing a failed commit attempt with a finalized object. The decisive boundary for it determines whether the same object can continue, a new object is required, or policy must change.
Also confirm that all observed objects, tokens, buffers, proxies, metadata files, or ACLs belong to the current operation generation and were not retained from an earlier attempt.
Correct handling and recovery
Use the committed output, create a new builder for additional changes, and make retry logic detect commit completion before repeating side effects.
Reconcile partial output and server-side effects before attempting the operation again.
Lifetime, retry, and cleanup rules
After it, determine whether the current object, interface pointer, call context, token, stream, metadata reader, asynchronous operation, or access-control instance remains valid. Release only resources owned by the failing attempt, cancel callbacks through their documented mechanism, and avoid double close, double commit, repeated activation, or replay of a non-idempotent remote method.
The retry policy for it should state the trigger, maximum attempts, cancellation owner, and reconciliation step for effects that may have completed elsewhere.
Practical scenario
A package metadata builder commits successfully, but cleanup code calls Commit again. The second call is removed and post-commit modifications use a new builder.
A regression test should reproduce it, assert the raw HRESULT and all relevant outputs, then correct only the decisive condition and verify the intended success or neighboring failure result.
Difference from nearby HRESULTs
It describes a finalized instance; RO_E_CLOSED describes an object whose entire usable lifetime has ended.
The distinction around it should be represented explicitly in control flow and operational dashboards.
References
- Microsoft: C++/WinRT error handling
- Microsoft: concurrency and asynchronous operations
- Microsoft: WinMD files
- Microsoft: IAgileObject
- Microsoft: COM apartments
- Microsoft: HRESULT values
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