How To Fix ESH_TREX_ADMIN015 - Indexes could not be shown

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_TREX_ADMIN - TREX Indexing and Index Administration

• Message number: 015

• Message text: Indexes could not be shown

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 ESH_TREX_ADMIN015 - Indexes could not be shown ?

  The SAP error message ESH_TREX_ADMIN015: Indexes could not be shown typically occurs in the context of the SAP Enterprise Search (SAP ESH) when there is an issue with the TREX (Text Retrieval and Extraction) engine, which is responsible for indexing and searching data.
  Causes:
  
  TREX Service Not Running: The TREX service may not be running or may have crashed.
  Configuration Issues: There may be misconfigurations in the TREX settings or the connection to the TREX server.
  Indexing Errors: There could be issues with the indexes themselves, such as corruption or incomplete indexing.
  Authorization Issues: The user may not have the necessary authorizations to view the indexes.
  Network Issues: There may be network connectivity problems between the SAP application server and the TREX server.
  
  Solutions:
  
  
  Check TREX Service:
  
  Ensure that the TREX service is running. You can check this in the SAP system by navigating to the TREX administration tools or using transaction codes like TREX_ADMIN.
  If the service is not running, restart it.
  
  
  
  Review Configuration:
  
  Verify the configuration settings for TREX in the SAP system. Ensure that the connection parameters are correct.
  Check the settings in the TREX Administration tool to ensure that the indexes are properly configured.
  
  
  
  Rebuild Indexes:
  
  If there are issues with the indexes, consider rebuilding them. This can be done through the TREX administration interface.
  Use the Index Administration options to check the status of the indexes and perform a rebuild if necessary.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access and view the indexes. This may involve checking roles and permissions in the SAP system.
  
  
  
  Network Connectivity:
  
  Check for any network issues that may be preventing communication between the SAP application server and the TREX server. This may involve checking firewalls, network configurations, and server statuses.
  
  
  
  Review Logs:
  
  Check the TREX logs for any error messages or warnings that could provide more insight into the issue. Logs can often be found in the TREX administration tool or the file system where TREX is installed.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP Notes often provide patches, updates, or specific troubleshooting steps.
  Documentation: Refer to the official SAP documentation for TREX and ESH for detailed configuration and troubleshooting guidelines.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the ESH_TREX_ADMIN015 error message.