How To Fix ICM039 - Cache entry invalidated

SAP Error Message - Details

• Message type: E = Error

• Message class: ICM - Messages for ICM Monitor

• Message number: 039

• Message text: Cache entry invalidated

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 ICM039 - Cache entry invalidated ?

  The SAP error message "ICM039 Cache entry invalidated" typically relates to issues with the Internet Communication Manager (ICM) in SAP systems. This error indicates that a cache entry has been invalidated, which can occur for various reasons, such as changes in the application or configuration that affect the cached data.
  Causes:
  
  Configuration Changes: Changes in the application or server configuration can lead to the invalidation of cached entries.
  Session Timeouts: If a user session times out, the associated cache entries may be invalidated.
  Data Updates: Updates to the underlying data that the cache relies on can cause the cache to be invalidated to ensure that users receive the most current data.
  Load Balancing: In a load-balanced environment, if a request is routed to a different server, the cache on that server may not have the same entries, leading to invalidation.
  ICM Settings: Specific settings in the ICM configuration may lead to aggressive cache invalidation policies.
  
  Solutions:
  
  Check Configuration: Review any recent changes made to the application or server configuration that might affect caching.
  Session Management: Ensure that session management is properly configured to avoid unnecessary timeouts.
  Cache Settings: Adjust the cache settings in the ICM configuration to better suit your application’s needs. This may involve increasing the cache size or modifying invalidation policies.
  Monitor Load Balancer: If using a load balancer, ensure that it is configured correctly and that all servers have consistent cache entries.
  Clear Cache: In some cases, clearing the cache manually may resolve the issue. This can be done through transaction codes like SICF or SMICM.
  Check Logs: Review the ICM logs for more detailed information about the invalidation event. This can provide insights into what triggered the cache invalidation.
  
  Related Information:
  
  ICM Documentation: Refer to the official SAP documentation for the Internet Communication Manager for detailed information on caching and configuration.
  SAP Notes: Check SAP Notes for any known issues or patches related to the ICM and caching mechanisms.
  Performance Monitoring: Use tools like SAP Solution Manager to monitor performance and caching behavior in your SAP environment.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with SAP support or your system administrator for further assistance.