How To Fix PSHLP_MSG_CL055 - TREX-based cache is not active

SAP Error Message - Details

• Message type: E = Error

• Message class: PSHLP_MSG_CL - Message Class for PS EhP4 Developments

• Message number: 055

• Message text: TREX-based cache is not active

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 PSHLP_MSG_CL055 - TREX-based cache is not active ?

  The SAP error message PSHLP_MSG_CL055 indicates that the TREX-based cache is not active. TREX (Text Retrieval and Extraction) is a search and classification engine used in SAP systems for various functionalities, including full-text search and caching.
  Cause:
  The error typically occurs due to one of the following reasons:
  
  TREX Service Not Running: The TREX service may not be started or is not running properly.
  Configuration Issues: There may be misconfigurations in the TREX settings or the connection between the SAP system and TREX.
  Network Issues: There could be network connectivity issues preventing the SAP system from communicating with the TREX server.
  System Maintenance: The TREX server might be undergoing maintenance or updates, leading to temporary unavailability.
  
  Solution:
  To resolve the issue, you can follow these steps:
  
  
  Check TREX Status:
  
  Log in to the TREX administration tool (usually accessed via a web interface).
  Verify that the TREX service is running. If it is not, start the service.
  
  
  
  Restart TREX:
  
  If the service is running but you still encounter the error, try restarting the TREX service.
  
  
  
  Check Configuration:
  
  Ensure that the TREX configuration in the SAP system is correct. This includes checking the connection settings and ensuring that the TREX server is correctly defined in the SAP system.
  
  
  
  Network Connectivity:
  
  Verify that there are no network issues between the SAP system and the TREX server. You can use tools like ping or telnet to check connectivity.
  
  
  
  Review Logs:
  
  Check the TREX logs for any error messages or warnings that might provide more context about the issue.
  
  
  
  SAP Notes:
  
  Look for relevant SAP Notes that might address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for TREX and caching to ensure that all configurations are set up correctly.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  TREX Administration: Familiarize yourself with the TREX administration tools and interfaces, as they are crucial for managing and troubleshooting TREX-related issues.
  SAP Basis Team: Collaborate with your SAP Basis team, as they typically handle system configurations, service management, and troubleshooting.
  System Performance: Regularly monitor the performance of the TREX server and the SAP system to prevent future issues related to caching and search functionalities.
  
  By following these steps, you should be able to diagnose and resolve the PSHLP_MSG_CL055 error effectively.