How To Fix ESH_CHECK_CONN066 - Join index &1&2 is missing on Trex Destination '&3'

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_CHECK_CONN - Check connector consistency

• Message number: 066

• Message text: Join index &1&2 is missing on Trex Destination '&3'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_CHECK_CONN066 - Join index &1&2 is missing on Trex Destination '&3' ?

  The SAP error message ESH_CHECK_CONN066 indicates that a join index is missing on the TREX (Text Retrieval and Extraction) destination. This error typically occurs in the context of SAP Enterprise Search or SAP HANA when the system is unable to find the required join index for a specific data source.
  Cause:
  
  
  Missing Join Index: The join index specified in the error message is not available in the TREX system. This could be due to:
  
  The join index not being created or activated.
  The join index being deleted or not properly configured.
  Issues with the data source or the configuration of the TREX system.
  
  
  
  Configuration Issues: There may be misconfigurations in the settings related to the TREX destination or the data source.
  
  
  System Updates or Changes: Recent updates or changes in the system might have affected the join index or its availability.
  
  
  Solution:
  
  
  Check Join Index: Verify if the join index mentioned in the error message exists in the TREX system. You can do this by:
  
  Accessing the TREX administration tools.
  Checking the configuration of the join index in the relevant data source.
  
  
  
  Recreate Join Index: If the join index is missing, you may need to recreate it. This can typically be done through:
  
  The SAP GUI by navigating to the relevant transaction (e.g., SE11 for Data Dictionary).
  Using the appropriate tools or commands to regenerate the join index.
  
  
  
  Check TREX Configuration: Ensure that the TREX destination is correctly configured and that it is connected to the appropriate data sources. You may need to:
  
  Review the TREX settings in the SAP system.
  Ensure that the connection to the TREX server is active and functioning.
  
  
  
  Re-indexing: If the join index exists but is not functioning correctly, consider re-indexing the data source. This can help refresh the join index and resolve any inconsistencies.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to TREX and join indexes for specific instructions or troubleshooting steps.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  TREX: TREX is a search engine used in SAP systems for full-text search and indexing. It is crucial for enabling efficient search capabilities across various data sources.
  Join Index: A join index is a database object that allows for efficient querying of data from multiple tables. It is particularly important in scenarios where complex queries are executed.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error message.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the missing join index on the TREX destination.