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NS_E_CACHE_ARCHIVE_CONFLICT
Mechanism and scope
This result (0xC00D13EC) marks a cache download/archive operation overlaps another incompatible operation for the same content. It belongs to the server-side control path, not to a generic local media-player failure.
The cache/proxy layer first applies policy, then decides whether to serve local content, revalidate it, contact an origin server, proxy it, redirect the client or reject the request; those decisions are separate from ordinary player buffering. In the trace, keep the cache key, origin validators and policy decision together. When diagnosing this result, a cache proxy behaves both as a server to the player and as a client to the origin.
What to record before changing anything
| First lower-level result | Preserve the earliest Win32, socket, COM, parser or plug-in event before the HRESULT; later wrappers can map several causes to this result. |
| Controlled comparison | Use a known-good object of the same type and vary only the precondition described as “a cache download/archive operation overlaps another incompatible operation for the same content”. |
Comparison with adjacent states
Primary distinction: origin timeout is an upstream communication failure; archive conflict is local operation concurrency.
| Nearby result | Different condition |
|---|---|
NS_E_CACHE_ORIGIN_SERVER_NOT_FOUND | the cache proxy cannot resolve or select the configured origin server. |
NS_E_CACHE_NOT_MODIFIED | origin revalidation confirms that the cached representation is still current. |
NS_E_CACHE_ORIGIN_SERVER_TIMEOUT | the cache proxy selected an origin but did not receive the required response before its timeout. |
Code-specific failure anatomy
A representative occurrence is when a cache download/archive operation overlaps another incompatible operation for the same content. Capture cache key, origin URL, active archive/download handles, content version and operation start times together with the object instance and the exact administrative or protocol request.
For a useful negative control, serialize the operations for that cache item or wait for the current archive to finish before issuing the next request.
The tempting but misleading response is deleting arbitrary cached files while handles remain active. That action does not test the distinction that matters here: origin timeout is an upstream communication failure; archive conflict is local operation concurrency.
Smallest useful experiment
- Capture
0xC00D13EC, the symbolic name, the exact API/administrative action and the first failure timestamp. - Preserve cache key, origin URL, active archive/download handles, content version and operation start times.
Changes that do not establish the cause
- deleting arbitrary cached files while handles remain active.
Technical references
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