How To Fix SRT_WSP2104 - Session '&1' is already open

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP2 - Messages for SRT WSP

• Message number: 104

• Message text: Session '&1' is already open

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 SRT_WSP2104 - Session '&1' is already open ?

  The SAP error message SRT_WSP2104 indicates that a session with the specified identifier (&1) is already open. This error typically occurs in the context of web service communication, particularly when using SAP's Web Services Runtime (WSR).
  Cause:
  The error is generally caused by one of the following scenarios:
  
  Concurrent Requests: A web service call is being made while a previous session for the same service is still active. This can happen if the application logic does not properly handle session management.
  Session Timeout: The session may not have been closed properly due to a timeout or an error in the previous transaction, leading to the session still being considered active.
  Configuration Issues: There may be configuration settings in the SAP system that are not allowing multiple sessions for the same service.
  
  Solution:
  To resolve the error, you can consider the following approaches:
  
  
  Check Active Sessions: Verify if there are any active sessions for the specified session ID. You can do this by checking the session management in the SAP system.
  
  
  Session Management: Ensure that your application logic properly manages sessions. Make sure to close sessions after they are no longer needed. This can involve explicitly calling session termination methods in your code.
  
  
  Increase Session Limits: If your application legitimately requires multiple concurrent sessions, you may need to adjust the configuration settings in SAP to allow for this. Consult your SAP Basis team for assistance with configuration changes.
  
  
  Error Handling: Implement error handling in your application to gracefully manage situations where a session is already open. This can include retry logic or user notifications.
  
  
  Review Logs: Check the application and SAP logs for any additional error messages or warnings that might provide more context about why the session is still open.
  
  
  Restart Services: In some cases, restarting the relevant services or the SAP system itself may help clear any lingering sessions.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the SRT (SAP Web Services Runtime) for any known issues or patches that might address this error.
  Documentation: Review the SAP documentation on web services and session management for best practices and guidelines.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.