How To Fix 14010 - Semaphore operation failed; ABAP session terminated

SAP Error Message - Details

• Message type: E = Error

• Message class: 14 - Task handler messages

• Message number: 010

• Message text: Semaphore operation failed; ABAP session terminated

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 14010 - Semaphore operation failed; ABAP session terminated ?

  The SAP error message "14010 Semaphore operation failed; ABAP session terminated" typically indicates a problem related to the semaphore mechanism used by the SAP system to manage concurrent processes and resources. This error can occur due to various reasons, including system resource issues, configuration problems, or even bugs in the SAP kernel.
  Causes:
  
  Resource Limitations: The system may be running out of resources, such as memory or process limits, which can lead to semaphore operations failing.
  Kernel Bugs: There may be bugs in the SAP kernel that affect semaphore handling.
  Configuration Issues: Incorrect configuration of the operating system or SAP parameters related to semaphores can lead to this error.
  Operating System Issues: Problems with the underlying operating system, such as limits on the number of semaphores or other IPC (Inter-Process Communication) resources.
  Database Issues: If the database is not responding or is under heavy load, it can lead to semaphore failures.
  
  Solutions:
  
  Check System Resources: Monitor the system's memory, CPU, and other resources to ensure they are not maxed out. Use tools like top, vmstat, or free on Unix/Linux systems to check resource usage.
  Review SAP Parameters: Check the SAP parameters related to semaphores. You can use transaction RZ10 to review and adjust parameters like rdisp/wp_no_dia and rdisp/wp_no_btc.
  Increase Semaphore Limits: If you are on a Unix/Linux system, you may need to increase the semaphore limits in the kernel parameters. This can usually be done by modifying the /etc/sysctl.conf file and then running sysctl -p to apply the changes.
  Check for Kernel Updates: Ensure that you are running a stable and updated version of the SAP kernel. If you suspect a bug, check SAP Notes for any relevant patches or updates.
  Review Logs: Check the developer trace files (dev_* files) and system logs for more detailed error messages that can provide additional context about the failure.
  Restart the Instance: In some cases, restarting the SAP instance can clear temporary issues related to semaphores.
  Consult SAP Support: If the issue persists, consider reaching out to SAP support with detailed logs and system information for further assistance.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches.
  Documentation: Review the SAP Basis documentation for information on configuring semaphores and other system parameters.
  Community Forums: Check SAP Community forums or other technical forums for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and resolve the "14010 Semaphore operation failed; ABAP session terminated" error in your SAP system.