How To Fix CCMS_AGENT023 - Size of the memory for local classes of a Java server node

SAP Error Message - Details

• Message type: E = Error

• Message class: CCMS_AGENT -

• Message number: 023

• Message text: Size of the memory for local classes of a Java server node

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CCMS_AGENT023 - Size of the memory for local classes of a Java server node ?

  The SAP error message CCMS_AGENT023 typically indicates that the memory allocated for local classes in a Java server node is insufficient. This can lead to performance issues or even application failures if the Java server cannot allocate the necessary memory for its operations.
  Cause:
  The error is generally caused by one of the following reasons:
  
  Insufficient Memory Allocation: The Java Virtual Machine (JVM) may not have enough memory allocated for local classes, which can happen if the default settings are too low for the workload.
  High Load: An increase in the number of users or transactions can lead to higher memory consumption, exceeding the allocated limits.
  Memory Leaks: Inefficient code or poorly managed resources can lead to memory leaks, causing the available memory to be consumed over time.
  
  Solution:
  To resolve the CCMS_AGENT023 error, you can take the following steps:
  
  
  Increase Memory Allocation:
  
  Adjust the JVM parameters to increase the memory allocated for local classes. This can typically be done in the startserver script or through the SAP Management Console (SAP MC).
  Look for parameters like -Xms (initial heap size) and -Xmx (maximum heap size) and increase their values. For example:
  -Xms512m -Xmx2048m
  
  
  
  
  Monitor Memory Usage:
  
  Use monitoring tools to analyze memory usage patterns. This can help identify if the application is consistently hitting memory limits or if there are specific times of high usage.
  Tools like SAP Solution Manager or Java monitoring tools can be helpful.
  
  
  
  Optimize Code:
  
  Review the application code for potential memory leaks or inefficient resource management. Ensure that objects are properly disposed of when no longer needed.
  Consider optimizing data structures and algorithms to reduce memory consumption.
  
  
  
  Review Configuration:
  
  Check the configuration settings for the Java server node in the SAP NetWeaver Administrator (NWA) or the SAP Management Console to ensure they are appropriate for your workload.
  
  
  
  Restart the Server:
  
  In some cases, a simple restart of the Java server node can temporarily alleviate memory issues, but this should not be a long-term solution.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to memory management in your specific version of SAP.
  Documentation: Refer to the official SAP documentation for guidelines on configuring Java server memory settings.
  Performance Tuning: Consider engaging in performance tuning practices for your Java applications to ensure they run efficiently within the allocated memory.
  
  By following these steps, you should be able to address the CCMS_AGENT023 error and improve the stability and performance of your Java server node.