How To Fix ESH_DB017 - Trex-connection is used

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_DB - ES: Dashboard

• Message number: 017

• Message text: Trex-connection is used

What causes this issue?

You are using Trex for Enterprise Search. This scenario is supported,
but it is not possible to use newer search models (directly based on
data base tables, or based on CDS-views) with Trex, because there is no
extraction logic for delta updates available.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Consider using a HANA data base. This can be either the system's own
data base, or another installation as a side-by-side scenario.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_DB017 - Trex-connection is used ?

  The SAP error message ESH_DB017 indicates that there is an issue with the TREX (Text Retrieval and Information Extraction) connection. This error typically arises when the TREX server is not properly connected or configured, which can affect the functionality of the Enterprise Search in SAP.
  Cause:
  
  TREX Server Not Running: The TREX server may not be started or is down.
  Configuration Issues: There may be misconfigurations in the TREX settings or in the connection parameters.
  Network Issues: There could be network connectivity problems between the SAP application server and the TREX server.
  Authorization Issues: The user may not have the necessary authorizations to access the TREX server.
  Version Mismatch: There may be a version mismatch between the SAP system and the TREX server.
  
  Solution:
  
  
  Check TREX Server Status:
  
  Ensure that the TREX server is running. You can check this in the SAP system by navigating to the TREX administration tool or using transaction code TREXADMIN.
  
  
  
  Verify Configuration:
  
  Check the configuration settings for the TREX connection in the SAP system. This can be done in transaction SICF or SE80 where you can review the settings for the TREX service.
  Ensure that the connection parameters (host, port, etc.) are correctly set.
  
  
  
  Network Connectivity:
  
  Test the network connection between the SAP application server and the TREX server. You can use tools like ping or telnet to check connectivity on the specified port.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the TREX server. This may involve checking roles and profiles assigned to the user.
  
  
  
  Review Logs:
  
  Check the TREX logs for any error messages that might provide more context on the issue. Logs can usually be found in the TREX installation directory.
  
  
  
  Restart Services:
  
  If the TREX server is running but still causing issues, consider restarting the TREX services to refresh the connection.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation or notes related to TREX and Enterprise Search for any specific troubleshooting steps or patches that may be required.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  TREX Administration Guide: Review the TREX administration guide for detailed information on configuration and management.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.