How To Fix VMC_ADMIN028 - The overview table for shared class loaders is not consistent

SAP Error Message - Details

• Message type: E = Error

• Message class: VMC_ADMIN - messages for VMC Administration and Monitoring

• Message number: 028

• Message text: The overview table for shared class loaders is not consistent

What causes this issue?

When you attempted to display details of the classes that were loaded
from the shared class loader you selected, the system detected that the
overview table containing the class loader names does not match with the
parameters of the detail view.

System Response

The details could not be displayed, which is why the processing was
cancelled. This message only appears if there is a program error.

How to fix this error?

Inform the system support team about the error. Report the status to the
system support team responsible.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VMC_ADMIN028 - The overview table for shared class loaders is not consistent ?

  The SAP error message VMC_ADMIN028 indicates that there is an inconsistency in the overview table for shared class loaders in the SAP system. This can occur in environments where Java applications are running, particularly in SAP NetWeaver or SAP Cloud Platform environments.
  Cause:
  The inconsistency in the overview table for shared class loaders can be caused by several factors, including:
  
  Corrupted Class Loader Data: The data related to class loaders may have become corrupted due to system crashes, improper shutdowns, or other unexpected behaviors.
  Deployment Issues: Problems during the deployment of Java applications or updates can lead to inconsistencies in the class loader configuration.
  Configuration Changes: Manual changes to the configuration of class loaders or related components can result in inconsistencies.
  Version Mismatches: If there are version mismatches between different components of the Java stack, it can lead to inconsistencies.
  
  Solution:
  To resolve the VMC_ADMIN028 error, you can follow these steps:
  
  
  Restart the Java Application Server: Sometimes, a simple restart of the Java application server can resolve temporary inconsistencies.
  
  
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates. Sometimes, SAP releases fixes for known issues that can resolve such errors.
  
  
  Clear Cache: Clear the cache of the Java application server. This can help in removing any corrupted or outdated class loader data.
  
  
  Re-deploy Applications: If the error persists, consider re-deploying the affected Java applications. This can help in refreshing the class loader configurations.
  
  
  Check Logs: Review the logs for any additional error messages or warnings that might provide more context about the inconsistency. Look for logs related to the Java application server and class loaders.
  
  
  Use SAP Tools: Utilize SAP tools like the SAP NetWeaver Administrator (NWA) to check the status of the class loaders and perform any necessary maintenance tasks.
  
  
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. SAP Notes often contain specific instructions or patches to resolve known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. They can provide more tailored guidance based on your specific system configuration and error context.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for your specific version of the SAP system for more detailed troubleshooting steps.
  Community Forums: Check SAP Community forums for discussions related to the VMC_ADMIN028 error, as other users may have encountered and resolved similar issues.
  System Monitoring: Implement regular monitoring of your Java application server to catch issues early and maintain system health.
  
  By following these steps, you should be able to address the VMC_ADMIN028 error and restore consistency to the overview table for shared class loaders.