How To Fix ECC_ESOA_COMMON010 - Exactly-once request cannot be locked: &1 (error code: &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: ECC_ESOA_COMMON - Common/generic messages for ECC service enabling

• Message number: 010

• Message text: Exactly-once request cannot be locked: &1 (error code: &2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ECC_ESOA_COMMON010 - Exactly-once request cannot be locked: &1 (error code: &2) ?

  The SAP error message ECC_ESOA_COMMON010 with the description "Exactly-once request cannot be locked: &1 (error code: &2)" typically occurs in the context of SAP's Enterprise Services and is related to the handling of messages in a distributed environment. This error indicates that a request that is supposed to be processed exactly once cannot be locked, which can lead to issues with message processing and data integrity.
  Causes:
  
  Concurrency Issues: The error often arises when multiple processes attempt to access the same request simultaneously, leading to a locking conflict.
  Database Locking: The underlying database may have a lock on the request, preventing other processes from accessing it.
  Configuration Issues: Incorrect configuration of the message processing system or the underlying database can lead to locking problems.
  System Performance: High system load or performance issues can exacerbate locking problems, causing delays in releasing locks.
  
  Solutions:
  
  Check for Locking Processes: Use transaction codes like SM12 to check for existing locks on the request. If you find locks that are no longer needed, you can release them.
  Review Application Logic: Ensure that the application logic is designed to handle concurrency properly. Implementing retry mechanisms can help in cases where a request cannot be locked due to temporary conditions.
  Increase Lock Timeout: If applicable, consider increasing the lock timeout settings in the system configuration to allow more time for locks to be released.
  Optimize Database Performance: Ensure that the database is performing optimally. This may involve tuning database parameters, optimizing queries, or increasing resources.
  Monitor System Load: Keep an eye on system performance metrics to identify any bottlenecks that may be causing locking issues. Addressing performance issues can help reduce the frequency of this error.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches and updates that could resolve underlying issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM21 (System Log), ST22 (Dump Analysis), and SLG1 (Application Log) to gather more information about the error context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review SAP documentation related to Enterprise Services and message processing for best practices and configuration guidelines.
  
  If the issue persists after trying the above solutions, it may be necessary to involve SAP support for further investigation and assistance.