How To Fix ESH_SEARCH027 - Handle for parallel query could not be generated

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_SEARCH - ESH Search

• Message number: 027

• Message text: Handle for parallel query could not be generated

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 ESH_SEARCH027 - Handle for parallel query could not be generated ?

  The SAP error message ESH_SEARCH027 ("Handle for parallel query could not be generated") typically occurs in the context of the SAP Enterprise Search (SAP ESH) when there is an issue with the parallel processing of search queries. This error can arise due to various reasons, including system configuration issues, resource limitations, or problems with the underlying database.
  Causes:
  
  Resource Limitations: The system may not have enough resources (CPU, memory) to handle the parallel query processing.
  Configuration Issues: Incorrect settings in the SAP ESH configuration or in the underlying database can lead to this error.
  Database Locks: If the database is locked or if there are long-running transactions, it may prevent the generation of handles for parallel queries.
  System Load: High system load or contention for resources can also lead to this error.
  Version Compatibility: Incompatibilities between different versions of SAP components or database systems may cause issues.
  
  Solutions:
  
  Check System Resources: Monitor the system's CPU and memory usage. If resources are low, consider optimizing the system or upgrading hardware.
  Review Configuration: Ensure that the SAP ESH and database configurations are set correctly. Check for any recent changes that might have affected the configuration.
  Database Performance: Analyze the database performance. Look for locks or long-running queries that might be causing contention.
  Adjust Parallel Processing Settings: If applicable, adjust the settings for parallel processing in the SAP ESH configuration to see if it alleviates the issue.
  System Restart: In some cases, restarting the SAP application server or the database may resolve temporary issues.
  Check Logs: Review the application and database logs for any additional error messages or warnings that could provide more context about the issue.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that address this specific error message.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Enterprise Search for detailed configuration and troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Support Tickets: If the issue persists, consider opening a support ticket with SAP for further assistance.
  
  By following these steps, you should be able to diagnose and potentially resolve the ESH_SEARCH027 error in your SAP environment.