How To Fix ESH_DB016 - Trex-connection is used in spite of HANA-data base

ESH_DB016 - Overview

• Message type: E = Error

• Message class: ESH_DB - ES: Dashboard

• Message number: 016

• Message text: Trex-connection is used in spite of HANA-data base

What causes this issue?

Although the system's data base management system is HANA, you are using
a Trex for Enterprise Search - this does not make sense.

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?

Use report ESH_ADM_SET_TREX_DESTINATION to switch the Enterprise Search
connection from Trex to HANA. This implies that the connectors need to
be deleted in the course of the process.

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_DB016 - Trex-connection is used in spite of HANA-data base ?

  The SAP error message ESH_DB016 indicates that there is an issue with the connection to the TREX (Text Retrieval and Extraction) search engine when using a HANA database. This error typically arises in the context of SAP Enterprise Search or SAP HANA when the system is configured to use TREX for search operations, but the underlying database is HANA, which may not require or support TREX in the same way.
  
  Cause:
  
  Configuration Issue: The system may be incorrectly configured to use TREX for search operations when it should be using HANA's native capabilities.
  Legacy Settings: If the system was previously set up to use TREX and has since migrated to HANA, some settings may not have been updated accordingly.
  Incompatibility: There may be an incompatibility between the version of SAP you are using and the configuration of TREX with HANA.
  
  
  Solution:
  
  
  Check Configuration: 
  
  Go to the SAP system configuration and check the settings for the search