How To Fix WZRE_PRX478 -

SAP Error Message - Details

• Message type: E = Error

• Message class: WZRE_PRX - SOA messages from proxy implementations

• Message number: 478

• Message text:

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WZRE_PRX478 - ?

  SAP Error Message: WZRE_PRX478
  
  1. Cause of the Error
  The error message WZRE_PRX478 typically occurs in the context of SAP Workflow or Business Process Management, especially when dealing with proxy objects or web services integration.
  Common cause:
  
  The system is unable to find or access the required proxy object or service definition.
  There might be a mismatch or missing configuration in the Enterprise Services Repository (ESR) or Integration Directory.
  The proxy runtime cannot resolve the service interface or the endpoint.
  The generated proxy classes are outdated or not properly activated.
  Network or authorization issues preventing access to the service.
  
  
  2. Solution
  To resolve the WZRE_PRX478 error, follow these steps:
  
  
  Check Proxy Object Activation:
  
  Go to transaction SPROXY.
  Verify that the relevant proxy objects are generated and activated.
  If not, regenerate and activate the proxy.
  
  
  
  Verify Service Configuration:
  
  Check the service interface and binding in the ESR.
  Ensure that the Integration Directory has the correct configuration for the communication channel.
  Confirm that the endpoint URL is correct and reachable.
  
  
  
  Check Authorization:
  
  Ensure that the user or system has the necessary authorizations to access the proxy or web service.
  Check roles and authorizations related to SOAMANAGER and proxy runtime.
  
  
  
  Check Network Connectivity:
  
  Verify that the system can reach the external service endpoint.
  Use tools like SMICM or PING to test connectivity.
  
  
  
  Review Logs and Traces:
  
  Use transaction SLG1 to check application logs for more detailed error messages.
  Use ST22 for dumps related to proxy runtime.
  Use SMW01 to check the status of IDocs or messages if applicable.
  
  
  
  Update or Re-import Proxy:
  
  If the proxy was imported from an external WSDL, try re-importing it.
  Make sure the WSDL is valid and accessible.
  
  
  
  Check for OSS Notes:
  
  Search SAP Support Portal for OSS Notes related to WZRE_PRX478.
  Apply any relevant patches or corrections.
  
  
  
  
  3. Related Information
  
  
  Transaction Codes:
  
  SPROXY – Proxy Object Builder
  SOAMANAGER – Web Service Configuration
  SLG1 – Application Log
  ST22 – ABAP Dump Analysis
  SMICM – ICM Monitor (for network issues)
  
  
  
  SAP Modules:
  
  SAP PI/PO (Process Integration / Process Orchestration)
  SAP Workflow
  SAP NetWeaver Gateway
  
  
  
  Common Scenarios:
  
  Integration of SAP with external web services.
  Workflow tasks calling external services.
  Proxy generation and activation after system upgrades or transport imports.
  
  
  
  
  If you provide the exact context or transaction where the error occurs, I can help with more specific troubleshooting steps.