How To Fix XSS_SER070 - Proxy class returns more than one service for helper service &1

SAP Error Message - Details

• Message type: E = Error

• Message class: XSS_SER - Messages for XSS services

• Message number: 070

• Message text: Proxy class returns more than one service for helper service &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message XSS_SER070 - Proxy class returns more than one service for helper service &1 ?

  The SAP error message XSS_SER070 indicates that a proxy class is returning more than one service for a specified helper service. This typically occurs in the context of SAP's integration with web services, particularly when using the SAP Exchange Infrastructure (XI) or Process Integration (PI).
  Cause:
  The error can arise due to several reasons:
  
  Multiple Service Definitions: There may be multiple service definitions for the same helper service in the system, leading to ambiguity in which service should be called.
  Configuration Issues: Incorrect configuration in the service registry or in the service definitions can lead to this error.
  Proxy Class Implementation: The proxy class might be incorrectly implemented, causing it to return multiple services instead of a single one.
  
  Solution:
  To resolve the XSS_SER070 error, you can follow these steps:
  
  
  Check Service Definitions:
  
  Go to the Service Registry in your SAP system and check for the helper service mentioned in the error message.
  Ensure that there is only one service definition for the specified helper service. If there are duplicates, you may need to remove or consolidate them.
  
  
  
  Review Proxy Class Implementation:
  
  Check the implementation of the proxy class that is generating the error. Ensure that it is correctly designed to return a single service.
  If necessary, modify the proxy class to ensure it only returns one service.
  
  
  
  Check Configuration:
  
  Review the configuration settings in the Integration Directory (if using PI/PO) to ensure that the routing and service definitions are correctly set up.
  Make sure that the service interfaces and mappings are correctly defined and do not lead to multiple service calls.
  
  
  
  Testing:
  
  After making the necessary changes, test the service call again to ensure that the error is resolved.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of your SAP system for any additional guidance or known issues related to this error.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Debugging: If you have access to debugging tools, consider debugging the proxy class to trace the execution flow and identify where multiple services are being returned.
  
  By following these steps, you should be able to identify the root cause of the XSS_SER070 error and implement a solution to resolve it.