How To Fix SRT_WSP2336 - Deserialize failed: Type &1 supported, but not &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP2 - Messages for SRT WSP

• Message number: 336

• Message text: Deserialize failed: Type &1 supported, but not &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP2336 - Deserialize failed: Type &1 supported, but not &2 ?

  The SAP error message SRT_WSP2336 indicates a deserialization issue when working with web services in SAP. Specifically, the error message states that a certain type is supported, but the type being received is not recognized or is incompatible. This typically occurs when there is a mismatch between the expected data type and the actual data type being sent or received in a web service call.
  Cause:
  
  
  Data Type Mismatch: The most common cause of this error is that the web service is expecting a specific data type (e.g., a certain structure or class) but is receiving a different type. This can happen if the web service interface has changed, or if there is a version mismatch between the client and server.
  
  
  Incorrect WSDL: If the WSDL (Web Services Description Language) file has been updated or is incorrect, it may lead to deserialization issues.
  
  
  Changes in Data Structure: If there have been changes in the underlying data structure (e.g., fields added or removed) that are not reflected in the web service definition, this can lead to deserialization errors.
  
  
  Encoding Issues: Sometimes, issues with character encoding can also lead to deserialization problems.
  
  
  Solution:
  
  
  Check Data Types: Verify that the data types being sent in the web service request match the expected data types defined in the web service interface. This includes checking the structure of the data being sent.
  
  
  Update WSDL: If there have been changes to the web service, ensure that the WSDL is updated and that the client is using the latest version of the WSDL.
  
  
  Regenerate Proxy Classes: If you are using proxy classes generated from the WSDL, regenerate these classes to ensure they are in sync with the current web service definition.
  
  
  Debugging: Use debugging tools to inspect the actual data being sent and received. This can help identify where the mismatch is occurring.
  
  
  Check for Changes: Review any recent changes made to the web service or the data structures involved. If changes were made, ensure that all clients consuming the service are updated accordingly.
  
  
  Consult Documentation: Refer to SAP documentation or community forums for any known issues related to the specific version of SAP you are using.
  
  
  Related Information:
  
  
  SAP Notes: Check SAP Notes for any specific notes related to the error message SRT_WSP2336. SAP frequently publishes notes that address known issues and provide solutions.
  
  
  Web Service Monitoring: Use SAP's web service monitoring tools to trace the requests and responses. This can provide insights into what data is being sent and where the deserialization is failing.
  
  
  Version Compatibility: Ensure that all components (client and server) are compatible in terms of version and data structure.
  
  
  By following these steps, you should be able to identify and resolve the cause of the SRT_WSP2336 error in your SAP environment.