How To Fix CCMS_AGENT010 - Utilization of the memory for shared classes of the Java instance

SAP Error Message - Details

• Message type: E = Error

• Message class: CCMS_AGENT -

• Message number: 010

• Message text: Utilization of the memory for shared classes of the Java instance

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 CCMS_AGENT010 - Utilization of the memory for shared classes of the Java instance ?

  The SAP error message CCMS_AGENT010 indicates that there is an issue with the utilization of memory for shared classes in a Java instance. This typically relates to the Java Virtual Machine (JVM) memory management, particularly concerning the shared class cache.
  Cause:
  
  High Memory Utilization: The shared class cache is consuming a significant amount of memory, which can lead to performance degradation or even application failures if the memory limit is reached.
  Configuration Issues: The JVM may not be optimally configured for the workload, leading to inefficient memory usage.
  Application Behavior: Certain applications may load a large number of classes into the shared class cache, which can exhaust available memory.
  Garbage Collection: Inefficient garbage collection settings may lead to memory not being freed up as expected.
  
  Solution:
  
  Monitor Memory Usage: Use tools like the SAP Solution Manager or Java monitoring tools to analyze memory usage patterns and identify any spikes or trends.
  Adjust JVM Parameters: 
  
  Increase the size of the shared class cache by adjusting the -Xsc parameter (for example, -Xsc:512m to allocate 512 MB).
  Review and adjust other JVM memory parameters such as -Xms, -Xmx, and -XX:MaxPermSize to ensure they are set appropriately for your workload.
  
  
  Optimize Application Code: Review the application code to identify any areas that may be causing excessive class loading or memory usage.
  Garbage Collection Tuning: Consider tuning the garbage collection settings to improve memory management. This may involve changing the garbage collector type or adjusting the frequency of garbage collection.
  Regular Maintenance: Regularly perform maintenance tasks such as clearing the shared class cache if it is not needed, or restarting the Java instance during off-peak hours to free up memory.
  Upgrade Java Version: If you are using an older version of Java, consider upgrading to a newer version that may have improved memory management features.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to memory management and performance tuning for Java applications. SAP frequently publishes notes that provide guidance on specific issues.
  Documentation: Refer to the official SAP documentation for guidelines on configuring and tuning the Java instance.
  Community Forums: Engage with the SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the impact of the CCMS_AGENT010 error and improve the performance of your SAP Java instance.