How To Fix ESH_CHECK_CONN029 - No sizing information possible because TREX server is not available

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_CHECK_CONN - Check connector consistency

• Message number: 029

• Message text: No sizing information possible because TREX server is not available

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_CHECK_CONN029 - No sizing information possible because TREX server is not available ?

  The SAP error message ESH_CHECK_CONN029 indicates that the TREX (Text Retrieval and Extraction) server is not available, which prevents the system from retrieving sizing information. This error typically occurs in the context of SAP Enterprise Search or when using the SAP NetWeaver Search functionality.
  Cause:
  
  TREX Server Down: The TREX server may not be running or has crashed.
  Network Issues: There could be network connectivity issues between the SAP application server and the TREX server.
  Configuration Issues: Incorrect configuration settings in the SAP system or TREX server can lead to this error.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the TREX server.
  Resource Limitations: The TREX server may be overloaded or running out of resources (CPU, memory, etc.).
  
  Solution:
  
  
  Check TREX Server Status:
  
  Ensure that the TREX server is up and running. You can check this through the SAP system or by accessing the TREX administration tools.
  If the TREX server is down, restart it.
  
  
  
  Verify Network Connectivity:
  
  Check the network connection between the SAP application server and the TREX server. You can use tools like ping or telnet to test connectivity.
  Ensure that the correct ports are open and accessible.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings in the SAP system for the TREX connection. Ensure that the TREX server's hostname and port are correctly configured.
  You can check the settings in transaction SICF or TREX Administration.
  
  
  
  Check Firewall Settings:
  
  If there are firewalls in place, ensure that they are configured to allow traffic between the SAP application server and the TREX server.
  
  
  
  Monitor TREX Server Resources:
  
  Use monitoring tools to check the resource usage on the TREX server. If it is overloaded, consider optimizing the server or increasing its resources.
  
  
  
  Check Logs:
  
  Review the logs on both the SAP application server and the TREX server for any error messages or warnings that could provide more context about the issue.
  
  
  
  Restart Services:
  
  If the issue persists, consider restarting both the SAP application server and the TREX server to clear any temporary issues.
  
  
  
  Related Information:
  
  TREX Administration: You can access the TREX administration interface to manage and monitor the TREX server.
  SAP Notes: Check SAP Notes for any known issues or patches related to TREX and the specific error message.
  Documentation: Refer to the official SAP documentation for detailed information on configuring and troubleshooting TREX.
  
  If the problem continues after trying the above solutions, it may be beneficial to contact SAP support for further assistance.