Search Results xnp_msg_schema




Overview
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Overview

XNP_MSG_SCHEMA is a PL/SQL package owned by the APPS schema in Oracle E-Business Suite (EBS) 12.1.1 and 12.2.2. It is classified under the ETRM registry as an OTHER API, indicating that it is an internal utility rather than a public, supported API contract. The package belongs to the XNP messaging framework, which manages the definition, construction, and validation of message structures used within EBS integration and notification processing. Its central responsibility is to validate message structures and their constituent elements against the metadata stored in the XNP message repository tables, ensuring that messages conform to defined schemas before they are assembled or processed.

Despite its internal classification, XNP_MSG_SCHEMA occupies a meaningful position in the XNP dependency chain. Its status is documented as VALID in both releases, confirming that the package compiles successfully and is available for use by dependent objects.

Key Procedures and Functions

The documented interface exposes a single procedure or function named VALIDATE. Consistent with the limited ETRM metadata, parameter details are not published; the procedure is understood to perform consistency and integrity validation of message schema definitions held in the XNP message tables. It is referenced by XNP_MSG_BUILDER, indicating that schema validation is invoked during message construction rather than as a standalone operation. No parameter lists should be assumed without direct source inspection.

Tables Accessed

XNP_MSG_SCHEMA references three documented objects through APPS synonyms:

  • XNP_MSG_ELEMENTS — stores the individual message elements (fields) that make up a message structure. The package reads this table during validation to confirm that referenced elements exist and are consistently defined.
  • XNP_MSG_STRUCTURES — stores message structure definitions. The package uses this table to verify that the structure being validated, and its relationship to its elements, is internally coherent.
  • USER_OBJECTS — used to resolve or confirm the existence of database objects referenced within a schema definition, a common pattern in metadata-driven validation logic.

Usage Notes

XNP_MSG_SCHEMA is not intended for direct invocation by end users or typical custom development. It is an internal dependency of XNP_MSG_BUILDER, which calls the VALIDATE routine as part of building message payloads from configured structures. In both 12.1.1 and 12.2.2, the package also references STANDARD and SYS objects, reflecting standard PL/SQL runtime dependencies.

Because the ETRM classification is OTHER rather than PUBLIC, Oracle does not guarantee the signature or behavior of VALIDATE across patches or upgrades. Custom code should avoid calling this package directly; where message schema validation is required, supported XNP APIs or declarative message configuration should be used instead. Administrators troubleshooting XNP messaging issues may encounter this package in dependency traces or error stacks, where it confirms that message definition validation is the failing step. Any customization that wraps or extends message validation should treat XNP_MSG_SCHEMA as private implementation and be re-tested after applying EBS patches, since internal package interfaces in the XNP modules are subject to change without notice.