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The PO_WF_DEBUG table in Oracle E-Business Suite (EBS) versions 12.1.1 and 12.2.2 is a critical repository for debugging information related to the Purchasing (PO) Workflow processes. This table stores diagnostic data generated during the execution of workflow activities, enabling administrators and developers to troubleshoot issues, monitor process flows, and validate transactional integrity within the Purchasing module. Below is a detailed analysis of its structure, purpose, and usage in Oracle EBS.

Purpose of PO_WF_DEBUG

The PO_WF_DEBUG table serves as a logging mechanism for Oracle Workflow processes tied to Purchasing documents, such as Purchase Orders (POs), Requisitions, and Approvals. It captures granular details about workflow transitions, errors, and status changes, facilitating root-cause analysis for failed workflows or unexpected behavior. This is particularly useful in complex approval hierarchies or custom workflow extensions where debugging is challenging.

Table Structure

The table typically includes the following key columns:

  • DEBUG_ID: Primary key, auto-incremented for each log entry.
  • WF_ITEM_TYPE: The workflow item type (e.g., POAPPRV for PO Approval).
  • WF_ITEM_KEY: Unique identifier for the workflow instance.
  • MESSAGE: Descriptive text of the workflow event or error.
  • DEBUG_DATE: Timestamp of the log entry.
  • PROCESS_NAME: Name of the workflow process or activity.
  • STATUS: Success, Error, or Warning indicators.
  • ADDITIONAL_INFO: Optional JSON or XML payload with contextual data.

Usage in Oracle EBS

In EBS 12.1.1 and 12.2.2, the PO_WF_DEBUG table is leveraged in the following scenarios:

  1. Troubleshooting Workflow Failures: When a PO approval workflow stalls or errors out, log entries in this table help identify the exact step where the failure occurred, along with error details.
  2. Custom Workflow Development: Developers extending standard workflows can insert debug statements into this table to trace custom logic execution.
  3. Audit and Compliance: The table provides an audit trail for workflow actions, useful for compliance reporting.
  4. Performance Analysis: Timestamps in debug entries assist in diagnosing latency issues in workflow transitions.

Integration with Workflow Engine

The table is populated via PL/SQL APIs (e.g., PO_WF_DEBUG_PKG) or directly by the Oracle Workflow engine. Administrators can query it using SQL or predefined EBS diagnostic scripts. In EBS 12.2.2, enhancements like partitioned tables or JSON-formatted ADDITIONAL_INFO may improve scalability and readability.

Best Practices

  • Purge Policies: Implement periodic archiving/purging to prevent excessive growth.
  • Selective Logging: Enable debug logging only during issue resolution to minimize overhead.
  • Security: Restrict access to sensitive workflow data via VPD (Virtual Private Database) policies.

Conclusion

The PO_WF_DEBUG table is an indispensable tool for maintaining robust Purchasing workflows in Oracle EBS. Its structured logging capabilities streamline debugging, ensure process transparency, and support customization efforts. Proper utilization of this table reduces resolution times for workflow-related issues, enhancing operational efficiency in procurement cycles.

  • Lookup Type: PO_CLM_EXHIBIT_NUMBER 12.2.2

    product: PO - Purchasing ,  meaning: PO_CLM_EXHIBIT_NUMBER ,  description: PO Clm Exhibit Numbers , 

  • Lookup Type: PO_ACRN 12.2.2

    product: PO - Purchasing ,  meaning: PO_ACRN ,  description: PO ACRN Values , 

  • Lookup Type: PO_CLM_PCO_NUM_CONSTANTS 12.2.2

    product: PO - Purchasing ,  meaning: PO CLM PCO Number Constants ,  description: PO CLM PCO Number Constants , 

  • Lookup Type: OBJECT TYPE 12.1.1

    product: PO - Purchasing ,  meaning: Valid types of Oracle Purchasing processing units ,  description: Valid types of Oracle Purchasing processing units , 

  • Lookup Type: OBJECT TYPE 12.2.2

    product: PO - Purchasing ,  meaning: Valid types of Oracle Purchasing processing units ,  description: Valid types of Oracle Purchasing processing units , 

  • Table: PO_WF_DEBUG 12.1.1

    owner:PO,  object_type:TABLE,  fnd_design_data:PO.PO_WF_DEBUG,  object_name:PO_WF_DEBUG,  status:VALID,  product: PO - Purchasing ,  description: This table is reserved for use by Oracle only ,  implementation_dba_data: PO.PO_WF_DEBUG , 

  • Table: PO_WF_DEBUG 12.2.2

    owner:PO,  object_type:TABLE,  fnd_design_data:PO.PO_WF_DEBUG,  object_name:PO_WF_DEBUG,  status:VALID,  product: PO - Purchasing ,  description: This table is reserved for use by Oracle only ,  implementation_dba_data: PO.PO_WF_DEBUG , 

  • Concurrent Program: POXSURLC 12.2.2

    execution_filename: POXSURLC ,  product: PO - Purchasing ,  user_name: POXSURLC ,  description: Location Listing ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXSURLC 12.1.1

    execution_filename: POXSURLC ,  product: PO - Purchasing ,  user_name: POXSURLC ,  description: Location Listing ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXAGLST 12.1.1

    execution_filename: POXAGLST ,  product: PO - Purchasing ,  user_name: POXAGLST ,  description: Buyer Listing ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXDLPDT 12.1.1

    execution_filename: POXDLPDT ,  product: PO - Purchasing ,  user_name: POXDLPDT ,  description: Receipt Traveler Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXDLPDT 12.2.2

    execution_filename: POXDLPDT ,  product: PO - Purchasing ,  user_name: POXDLPDT ,  description: Receipt Traveler Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: PRINTREQ 12.2.2

    execution_filename: POXPRREQ ,  product: PO - Purchasing ,  user_name: POXPRREQ ,  description: Printed Purchase Requisition Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXRQCRQ 12.1.1

    execution_filename: POXRQCRQ ,  product: PO - Purchasing ,  user_name: POXRQCRQ ,  description: Cancelled Requisition Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXMCRUN 12.1.1

    execution_filename: POXMCRUN ,  product: PO - Purchasing ,  user_name: POXMCRUN ,  description: Run Mass Cancel Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: CHVCUHIS 12.1.1

    execution_filename: CHVCUHIS ,  product: PO - Purchasing ,  user_name: CHVCUHIS ,  description: CUM History Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: RFPRTRW 12.1.1

    execution_filename: POXPRRFL ,  product: PO - Purchasing ,  user_name: POXPRRFL ,  description: Printed RFQ Report(Landscape) ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POYVTINA 12.1.1

    execution_filename: POYVTINA ,  product: PO - Purchasing ,  user_name: POYVTINA ,  description: European Intrastat Arrivals ,  argument_method: Standard ,  enabled: No ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXDETIT 12.2.2

    execution_filename: POXDETIT ,  product: PO - Purchasing ,  user_name: POXDETIT ,  description: Item Detail Listing ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: CHVCUHIS 12.2.2

    execution_filename: CHVCUHIS ,  product: PO - Purchasing ,  user_name: CHVCUHIS ,  description: CUM History Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXRVRSR 12.2.2

    execution_filename: POXRVRSR ,  product: PO - Purchasing ,  user_name: POXRVRSR ,  description: Substitute Receipts Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: PRINTREQ 12.1.1

    execution_filename: POXPRREQ ,  product: PO - Purchasing ,  user_name: POXPRREQ ,  description: Printed Purchase Requisition Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXSURQC 12.1.1

    execution_filename: POXSURQC ,  product: PO - Purchasing ,  user_name: POXSURQC ,  description: Quality Code Listing ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXDETIT 12.1.1

    execution_filename: POXDETIT ,  product: PO - Purchasing ,  user_name: POXDETIT ,  description: Item Detail Listing ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXACRCR 12.1.1

    execution_filename: POXACREC ,  product: PO - Purchasing ,  user_name: POXACREC ,  description: Accrual Reconcilation Report ,  argument_method: Standard ,  enabled: No ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXRVRTN 12.1.1

    execution_filename: POXRVRTN ,  product: PO - Purchasing ,  user_name: POXRVRTN ,  description: Receipt Adjustments Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXCONST 12.1.1

    execution_filename: POXCONST ,  product: PO - Purchasing ,  user_name: POXCONST ,  description: Contract Status Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXMCDEF 12.1.1

    execution_filename: POXMCDEF ,  product: PO - Purchasing ,  user_name: POXMCDEF ,  description: Define Mass Cancel Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXSUMIT 12.1.1

    execution_filename: POXSUMIT ,  product: PO - Purchasing ,  user_name: POXSUMIT ,  description: Summary Item Listing Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXRVXRV 12.2.2

    execution_filename: POXRVXRV ,  product: PO - Purchasing ,  user_name: POXRVXRV ,  description: Expected Receipts Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXPOEDR 12.2.2

    execution_filename: POXPOEDR ,  product: PO - Purchasing ,  user_name: POXPOEDR ,  description: Encumbrance Detail Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXREQIM 12.2.2

    execution_filename: POXREQIM ,  product: PO - Purchasing ,  user_name: POXREQIM ,  description: ReqImport Exceptions Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXSURUM 12.1.1

    execution_filename: POXSURUM ,  product: PO - Purchasing ,  user_name: POXSURUM ,  description: Unit of Measure Listing ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXRCIPV 12.1.1

    execution_filename: POXRCIPV ,  product: PO - Purchasing ,  user_name: POXRCIPV ,  description: Invoice Price Variance Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: RCVDLPDT 12.1.1

    execution_filename: POXDLPDT ,  product: PO - Purchasing ,  user_name: POXDLPDT ,  description: Receipt Traveler Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXPOABP 12.1.1

    execution_filename: POXPOABP ,  product: PO - Purchasing ,  user_name: POXPOABP ,  description: Purchase Agreement Audit Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXVESTR 12.1.1

    execution_filename: POXVESTR ,  product: PO - Purchasing ,  user_name: POXVESTR ,  description: Vendor Affiliated Structure Listing ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXSURUM 12.2.2

    execution_filename: POXSURUM ,  product: PO - Purchasing ,  user_name: POXSURUM ,  description: Unit of Measure Listing ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXQTQAR 12.2.2

    execution_filename: POXQTQAR ,  product: PO - Purchasing ,  user_name: POXQTQAR ,  description: Quotation Action Required Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXPOCAN 12.2.2

    execution_filename: POXPOCAN ,  product: PO - Purchasing ,  user_name: POXPOCAN ,  description: Cancelled Purchase Order Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXRQSIN 12.2.2

    execution_filename: POXRQSIN ,  product: PO - Purchasing ,  user_name: POXRQSIN ,  description: Internal Requisition Status Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXRVODS 12.2.2

    execution_filename: POXRVODS ,  product: PO - Purchasing ,  user_name: POXRVODS ,  description: Overdue Vendor Shipments Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXVDRVL 12.2.2

    execution_filename: POXVDRVL ,  product: PO - Purchasing ,  user_name: POXVDRVL ,  description: New Vendor Letter Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXVCVAR 12.2.2

    execution_filename: POXVCVAR ,  product: PO - Purchasing ,  user_name: POXVCVAR ,  description: Vendor Volumne Analysis Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXRVOVS 12.1.1

    execution_filename: POXRVOVS ,  product: PO - Purchasing ,  user_name: POXRVOVS ,  description: Overshipments Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXAGLST 12.2.2

    execution_filename: POXAGLST ,  product: PO - Purchasing ,  user_name: POXAGLST ,  description: Buyer Listing ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXRVOVS 12.2.2

    execution_filename: POXRVOVS ,  product: PO - Purchasing ,  user_name: POXRVOVS ,  description: Overshipments Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXREQAC 12.1.1

    execution_filename: POXREQAC ,  product: PO - Purchasing ,  user_name: POXREQAC ,  description: Requisition Activity Register Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXPOEDR 12.1.1

    execution_filename: POXPOEDR ,  product: PO - Purchasing ,  user_name: POXPOEDR ,  description: Encumbrance Detail Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports , 

  • Concurrent Program: POXRVRUR 12.1.1

    execution_filename: POXRVRUR ,  product: PO - Purchasing ,  user_name: POXRVRUR ,  description: Unordered Receipts Report ,  argument_method: Standard ,  enabled: Yes ,  execution_method: Oracle Reports ,