How To Fix RSD_TREX119 - A lock on the BWA server is preventing reading from the BWA index

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 119

• Message text: A lock on the BWA server is preventing reading from the BWA index

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSD_TREX119 - A lock on the BWA server is preventing reading from the BWA index ?

  The SAP error message RSD_TREX119 indicates that there is a lock on the BWA (Business Warehouse Accelerator) server that is preventing reading from the BWA index. This can occur due to various reasons, and understanding the cause and potential solutions is essential for resolving the issue.
  Causes:
  
  Concurrent Processes: Multiple processes trying to access the same BWA index simultaneously can lead to locking issues.
  Long-Running Queries: A long-running query or process may hold a lock on the BWA index, preventing other queries from accessing it.
  System Maintenance: Maintenance activities or updates being performed on the BWA server can temporarily lock the index.
  Configuration Issues: Incorrect configuration settings in the BWA or BW system can lead to locking problems.
  Resource Contention: High resource usage on the BWA server can lead to delays and locking issues.
  
  Solutions:
  
  Wait and Retry: If the lock is due to a long-running query, waiting for the process to complete may resolve the issue. You can monitor the BWA server to see if the lock is released.
  Check Running Processes: Use transaction codes like SM66 or SM50 in SAP to check for any long-running processes that might be holding the lock. If you identify a problematic process, you may need to terminate it.
  Restart BWA Services: If the issue persists, consider restarting the BWA services. This can help clear any locks that are not being released properly.
  Review Configuration: Check the configuration settings for the BWA and ensure they are set correctly. This includes checking for any settings that might lead to locking issues.
  System Logs: Review the system logs for any errors or warnings that might provide additional context about the locking issue.
  Contact SAP Support: If the problem continues and you cannot identify the cause, it may be necessary to contact SAP support for further assistance.
  
  Related Information:
  
  BWA Documentation: Refer to the official SAP documentation for BWA for best practices and configuration guidelines.
  Performance Tuning: Consider performance tuning for your BWA queries to minimize the chances of long-running processes that can lead to locks.
  Monitoring Tools: Utilize monitoring tools to keep an eye on the performance and health of the BWA server, which can help in proactively identifying issues.
  
  By following these steps, you should be able to diagnose and resolve the locking issue indicated by the RSD_TREX119 error message.