How To Fix MDC_HDB_MTC015 - Error while closing the SQL connection

SAP Error Message - Details

• Message type: E = Error

• Message class: MDC_HDB_MTC - Message class for master data consolidation matching

• Message number: 015

• Message text: Error while closing the SQL connection

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDC_HDB_MTC015 - Error while closing the SQL connection ?

  The SAP error message MDC_HDB_MTC015 typically indicates an issue with closing a SQL connection in the context of SAP HANA database operations. This error can arise due to various reasons, including network issues, database server problems, or misconfigurations in the connection settings.
  Possible Causes:
  
  Network Issues: Intermittent network connectivity problems can prevent the application from properly closing the SQL connection.
  Database Server Issues: The HANA database server may be down, overloaded, or experiencing performance issues.
  Timeouts: If the connection is idle for too long, it may time out, leading to errors when attempting to close it.
  Configuration Errors: Incorrect settings in the database connection configuration can lead to issues when trying to manage connections.
  Resource Limitations: The database may have reached its limit for open connections, causing failures when trying to close existing ones.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the application server and the HANA database server. You can use tools like ping or traceroute to diagnose connectivity.
  Database Health Check: Verify that the HANA database is running and not experiencing performance issues. Check the database logs for any errors or warnings.
  Increase Timeout Settings: If timeouts are causing the issue, consider increasing the timeout settings in your database connection configuration.
  Review Connection Pooling Settings: If you are using connection pooling, ensure that the settings are correctly configured to manage connections efficiently.
  Monitor Resource Usage: Check the resource usage on the HANA server to ensure it is not hitting limits for connections or memory.
  Update Drivers: Ensure that you are using the latest version of the database drivers and that they are compatible with your version of SAP HANA.
  Restart Services: If the issue persists, consider restarting the application server or the HANA database services to clear any stuck connections.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. SAP frequently updates its knowledge base with solutions for common problems.
  Logs: Review application and database logs for more detailed error messages that can provide additional context for the issue.
  Documentation: Refer to the official SAP HANA documentation for best practices on managing database connections and troubleshooting connection issues.
  
  If the problem continues after trying the above solutions, it may be beneficial to contact SAP support for further assistance.