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Overview

OWAPUB.DEBUG_CARTX is a PL/SQL package body owned by the OWAPUB schema in Oracle E-Business Suite. Its documented purpose is to implement PL/SQL cartridge debugging using the Oracle Procedure Builder (OPB) facility, providing a server-side debugging bridge for PL/SQL cartridges. The package carries an API classification of OTHER, reflecting that it is an internal Oracle-supplied debugging utility rather than a business-facing application programming interface.

The header notes state that a user of the package must hold Execute privilege on the stored procedure being debugged, and that the implementation is compatible with Oracle Database 7.3.4 and 8.0.4 or above, Oracle Procedure Builder 6.1 and above, and is dependent on WebDB 2.1 or above. The package was created on 10/26/98. These attributes confirm that DEBUG_CARTX belongs to the earlier web-cartridge generation of Oracle technology that later became embedded within the EBS technology stack.

Key Procedures and Functions

Fourteen procedures and functions are documented for this package. They fall into distinct functional groupings:

• Session management: RESETDEBUGSESSION, CLEANUPDEBUGSESSION, GETDEBUGSESSIONID, and GETDEBUGSESSION control the lifecycle of a debugging session, including initialization, identification, retrieval, and teardown.
• Target execution: TGT_FETCH_RESULTS, TGT_EXEC_BLOCK, and the constant-driven flow associated with DBG_GET_EXEC_BLOCK retrieve and execute the target block of PL/SQL under debug, returning results to the debugging client.
• CGI environment handling: DBG_INIT_CGI_ENV and TGT_INIT_CGI_ENV initialize the CGI environment context required for cartridge-based debugging, ensuring the debugged code sees the correct web request state.
• Result transport: DBG_SEND_RESULTS transmits debugger output back toward the calling client.
• Control: DBG_STOP_DEBUGGING terminates an active debugging session.
• Metadata helpers: MISC_GETARGTYPE returns argument type information, and DBG_GET_SCHEMA_NAME resolves the schema context for the debugged procedure.

Internally, the body also declares helper procedures such as insertmessage, cleanup_pipes, and overloaded sendAck routines that manage DBMS_PIPE communication, including pipe purging and removal, message packing, and acknowledgements with timeout values. Constants DEBUG_CARTX_BYE and DEBUG_CARTX_RES_OVER define protocol sentinel values.

Tables Accessed

The documented tables referenced through APPS synonyms are DBMS_OUTPUT and DBMS_SQL. DBMS_OUTPUT is the standard Oracle buffered output package used to emit diagnostic text produced during debugging, while DBMS_SQL supports dynamic SQL execution needed to run the target PL/SQL block whose text is not known at compile time. No application tables are documented as being read or written; the output routine in the body is stubbed to a null operation, and the operative communication path is through DBMS_PIPE rather than through database tables. Because the package does not touch EBS application data, it carries no transactional impact on business records.

Usage Notes

DEBUG_CARTX is invoked in the context of PL/SQL cartridge debugging rather than from Oracle Forms or concurrent programs. It is an internal debugging aid used by developers or support engineers to attach a Procedure Builder session to a running cartridge, execute the target block, and relay results back over pipes. It is referenced by zero other packages in the documented metadata, confirming its role as a terminal utility rather than a shared library. Because execution requires Execute privilege on the target procedure and dependence on WebDB 2.1 or above, use is effectively restricted to environments where the legacy cartridge debugging stack remains available. In Oracle EBS 12.1.1 and 12.2.2, this object is a residual component of that legacy stack and should not be invoked from custom application code.