How To Fix RSO_RES_HCPR002 - CompositeProvider '&1': lock handle failure

SAP Error Message - Details

• Message type: E = Error

• Message class: RSO_RES_HCPR - CompositeProvider

• Message number: 002

• Message text: CompositeProvider '&1': lock handle failure

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSO_RES_HCPR002 - CompositeProvider '&1': lock handle failure ?

  The SAP error message RSO_RES_HCPR002, which indicates a "lock handle failure" for a CompositeProvider, typically arises in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when there are issues related to data locking mechanisms. This error can occur during data processing, such as when trying to execute a query or load data into a CompositeProvider.
  Cause:
  
  Concurrent Access: The error often occurs when multiple processes are trying to access or modify the same CompositeProvider simultaneously, leading to a lock contention.
  Long-Running Queries: If a query or data load is taking too long, it may hold a lock on the CompositeProvider, preventing other processes from accessing it.
  System Performance Issues: High system load or performance issues can exacerbate locking problems.
  Configuration Issues: Incorrect configuration of the CompositeProvider or related objects may lead to locking issues.
  
  Solution:
  
  Check for Active Processes: Use transaction codes like SM12 to check for active locks on the CompositeProvider. If you find any long-running processes, consider terminating them if they are not needed.
  Optimize Queries: Review and optimize any queries that are running against the CompositeProvider to ensure they are efficient and do not hold locks longer than necessary.
  Increase Timeout Settings: If applicable, consider increasing the timeout settings for locks in your BW system to allow longer-running processes to complete without causing lock failures.
  Schedule Jobs Appropriately: If you have batch jobs or data loads scheduled, ensure they are not overlapping in a way that causes contention for the same CompositeProvider.
  Monitor System Performance: Use performance monitoring tools to identify any bottlenecks in the system that may be contributing to locking issues.
  Review CompositeProvider Design: Ensure that the design of the CompositeProvider is optimal and that it is not overly complex, which can lead to performance issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to CompositeProviders and locking mechanisms. SAP Notes often provide patches or workarounds for known issues.
  Transaction Codes: Familiarize yourself with transaction codes like RSRT (for running queries), RSOS (for monitoring data loads), and SM21 (for system logs) to help diagnose issues.
  Documentation: Review SAP documentation on CompositeProviders and data modeling best practices to ensure that your implementation follows recommended guidelines.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.