A publisher sends a SUBSCRIBE_ANNOUNCES_ERROR control message in response to a failed SUBSCRIBE_ANNOUNCES.
SUBSCRIBE_ANNOUNCES_ERROR Message {
Type (i) = 0x13,
Length (16),
Request ID (i),
Error Code (i),
Error Reason (Reason Phrase)
}
-
Request ID: The Request ID of the SUBSCRIBE_ANNOUNCES this message is replying to Section 8.27.
-
Error Code: Identifies an integer error code for the namespace subscription failure.
-
Error Reason: Provides the reason for the namespace subscription error. See Section 1.3.3.
The application SHOULD use a relevant error code in SUBSCRIBE_ANNOUNCES_ERROR, as defined below:
| Code | Reason |
|---|---|
| 0x0 | Internal Error |
| 0x1 | Unauthorized |
| 0x2 | Timeout |
| 0x3 | Not Supported |
| 0x4 | Namespace Prefix Unknown |
| 0x5 | Namespace Prefix Overlap |
| 0x10 | Malformed Auth Token |
| 0x12 | Expired Auth Token |
-
Internal Error - An implementation specific or generic error occurred.
-
Unauthorized - The subscriber is not authorized to subscribe to the given namespace prefix.
-
Timeout - The operation could not be completed before an implementation specific timeout.
-
Not Supported - The endpoint does not support the SUBSCRIBE_ANNOUNCES method.
-
Namespace Prefix Unknown - The namespace prefix is not available for subscription.
-
Namespace Prefix Overlap - The namespace prefix overlaps with another SUBSCRIBE_ANNOUNCES in the same session.
-
Malformed Auth Token - Invalid Auth Token serialization during registration (see Section 8.2.1.1).
-
Expired Auth Token - Authorization token has expired Section 8.2.1.1).