How To Fix DB6PM012 - Error when reading the lock waits

SAP Error Message - Details

• Message type: E = Error

• Message class: DB6PM - DB2 UDB for UNIX, Windows: Performance Monitoring

• Message number: 012

• Message text: Error when reading the lock waits

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 DB6PM012 - Error when reading the lock waits ?

  The SAP error message DB6PM012, which indicates an error when reading lock waits, typically arises in the context of database operations where the system is unable to retrieve information about lock waits. This can occur due to various reasons, including database connectivity issues, configuration problems, or underlying database performance issues.
  Causes:
  
  Database Connectivity Issues: There may be a problem with the connection between the SAP application and the database, leading to an inability to read lock wait information.
  Database Performance Issues: High load on the database or resource contention can prevent the system from retrieving lock wait information.
  Configuration Issues: Incorrect configuration settings in the SAP system or the database can lead to this error.
  Database Locks: If there are excessive locks or deadlocks in the database, it may hinder the ability to read lock wait information.
  Database Version or Compatibility: The version of the database may not be fully compatible with the SAP version being used.
  
  Solutions:
  
  Check Database Connectivity: Ensure that the connection between the SAP application and the database is stable. You can test the connection using database tools or SAP transaction codes.
  Monitor Database Performance: Use database monitoring tools to check for performance issues, such as high CPU usage, memory issues, or excessive locking. Address any identified performance bottlenecks.
  Review Configuration Settings: Verify that the configuration settings for both the SAP system and the database are correct. This includes checking parameters related to locking and transaction management.
  Analyze Locks: Use database tools to analyze current locks and lock waits. Identify and resolve any deadlocks or excessive locking situations.
  Update Database and SAP: Ensure that both the database and SAP systems are updated to the latest supported versions. Compatibility issues can sometimes lead to unexpected errors.
  Consult Documentation: Refer to SAP Notes and documentation related to the specific database you are using (e.g., Oracle, SQL Server, HANA) for any known issues or patches.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific fixes or recommendations related to the DB6PM012 error. SAP Notes often provide detailed troubleshooting steps and solutions.
  Database Logs: Review the database logs for any additional error messages or warnings that may provide more context about the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found effective.
  Performance Tuning: Consider performing database performance tuning to optimize the overall performance and reduce locking issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your database administrator or SAP support for further investigation.