How To Fix SAI_CACHE303 - Not all entries were deleted from Adapter Engine cache

SAP Error Message - Details

• Message type: E = Error

• Message class: SAI_CACHE - XI Configuration Cache

• Message number: 303

• Message text: Not all entries were deleted from Adapter Engine cache

Self-Explanatory Message

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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 SAI_CACHE303 - Not all entries were deleted from Adapter Engine cache ?

  The SAP error message SAI_CACHE303 indicates that not all entries were successfully deleted from the Adapter Engine cache. This can occur in various scenarios, particularly when dealing with the SAP Process Integration (PI) or SAP Process Orchestration (PO) environments.
  Cause:
  The error can be caused by several factors, including:
  
  Cache Inconsistency: There may be inconsistencies in the cache that prevent certain entries from being deleted.
  Locking Issues: If other processes are accessing the cache simultaneously, it may lead to locking issues that prevent deletion.
  Configuration Errors: Incorrect configuration settings in the Adapter Engine or related components can lead to cache management issues.
  System Performance: High load on the system or performance issues can also affect the ability to delete cache entries.
  Database Issues: Problems with the underlying database can prevent proper cache management.
  
  Solution:
  To resolve the SAI_CACHE303 error, you can take the following steps:
  
  Check System Logs: Review the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  Clear Cache Manually: You can try to clear the cache manually. This can be done through the SAP PI/PO administration interface or by using specific transaction codes (like SXMB_MONI or SRT_MONI) to manage cache entries.
  Restart the Adapter Engine: Sometimes, restarting the Adapter Engine can help clear any locks or inconsistencies in the cache.
  Check for Locks: Use transaction SM12 to check for any locks that might be preventing the deletion of cache entries. If you find any locks that are no longer needed, you can delete them.
  Review Configuration: Ensure that the configuration settings for the Adapter Engine and related components are correct and aligned with best practices.
  Monitor System Performance: Check the overall performance of the system to ensure that it is not under heavy load, which could affect cache operations.
  Database Health Check: Perform a health check on the database to ensure that it is functioning correctly and that there are no issues affecting performance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps. You can search for notes related to cache management in SAP PI/PO.
  Documentation: Review the official SAP documentation for your version of PI/PO for best practices on cache management and troubleshooting.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP Support for further assistance.