How To Fix AIMMERGER_SHD065 - XPRA-list file: Maximum number of open files exceeded

SAP Error Message - Details

• Message type: E = Error

• Message class: AIMMERGER_SHD - Message Class of AIM-Merger

• Message number: 065

• Message text: XPRA-list file: Maximum number of open files exceeded

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AIMMERGER_SHD065 - XPRA-list file: Maximum number of open files exceeded ?

  The SAP error message AIMMERGER_SHD065, which indicates that the "Maximum number of open files exceeded," typically occurs during the execution of an XPRA (eXtended Program Run) in the context of the SAP system. This error is related to the operating system's limit on the number of files that can be opened simultaneously by a single process.
  Cause:
  
  Operating System Limit: Each operating system has a limit on the number of file descriptors that can be opened by a single process. When this limit is exceeded, the system cannot open any more files, leading to this error.
  High Volume of Data: The XPRA process may be trying to handle a large number of files or database entries simultaneously, which can quickly reach the open file limit.
  Configuration Issues: The configuration settings for the SAP system or the underlying operating system may not be optimized for the workload being processed.
  
  Solution:
  
  
  Increase the Open File Limit:
  
  Linux/Unix: You can increase the limit of open files by modifying the /etc/security/limits.conf file. Add or modify the following lines:
  * soft nofile 65536
  * hard nofile 65536
  After making changes, you may need to restart the system or log out and log back in for the changes to take effect.
  
  Windows: On Windows systems, the limit is generally higher, but if you encounter this issue, consider checking the registry settings or system configurations that might be limiting file handles.
  
  
  
  Check and Optimize XPRA Execution:
  
  If possible, break down the XPRA execution into smaller batches to reduce the number of files being opened at once.
  Monitor the XPRA logs to identify if there are specific areas where the process is opening an excessive number of files.
  
  
  
  Review SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on handling XPRA processes.
  
  
  System Monitoring: Use system monitoring tools to keep track of the number of open files and other resource usage during the XPRA execution. This can help identify bottlenecks or issues in real-time.
  
  
  Consult with Basis Team: If you are not able to resolve the issue, it may be beneficial to consult with your SAP Basis team or system administrator, as they can provide insights into system configurations and performance tuning.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for details on XPRA processes and their management.
  Operating System Documentation: Check the documentation for your specific operating system to understand how to manage file descriptor limits.
  SAP Community: Engage with the SAP Community forums for discussions and solutions shared by other SAP users who may have encountered similar issues.
  
  By following these steps, you should be able to address the AIMMERGER_SHD065 error and successfully execute your XPRA processes.