How To Fix RSOS150 - Maximum TREX downtime reached; perform initial indexing again

SAP Error Message - Details

• Message type: E = Error

• Message class: RSOS - Message class for BI Metadata Search with TREX

• Message number: 150

• Message text: Maximum TREX downtime reached; perform initial indexing again

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 RSOS150 - Maximum TREX downtime reached; perform initial indexing again ?

  The SAP error message RSOS150: Maximum TREX downtime reached; perform initial indexing again typically occurs in the context of SAP systems that utilize the TREX (Text Retrieval and Extraction) search engine, which is often used for full-text search capabilities in SAP applications.
  Cause:
  This error indicates that the TREX system has been down for longer than the maximum allowed downtime. When TREX is down, it cannot process indexing requests, and if it remains down for an extended period, the system may reach a threshold that requires a complete re-indexing to ensure data consistency and integrity.
  Solution:
  To resolve this error, you will need to perform an initial indexing of the TREX system. Here are the steps to do this:
  
  
  Check TREX Status: First, ensure that the TREX system is up and running. You can check the status of TREX using the SAP GUI or the TREX administration tools.
  
  
  Restart TREX: If TREX is down, restart the TREX server. You can do this through the SAP system or directly on the server where TREX is installed.
  
  
  Perform Initial Indexing:
  
  Go to the SAP GUI.
  Navigate to the transaction code /IWFND/MAINT_SERVICE or /IWFND/ERROR_LOG to check for any errors related to the OData services that might be affecting TREX.
  Use the transaction code RSOS to access the TREX administration.
  Select the option to perform an initial indexing. This may involve selecting the relevant data sources and initiating the indexing process.
  
  
  
  Monitor the Indexing Process: After initiating the indexing, monitor the process to ensure it completes successfully. You can check logs for any errors or warnings that may arise during the indexing.
  
  
  Verify Functionality: Once the indexing is complete, verify that the search functionality is working as expected and that the error message no longer appears.
  
  
  Related Information:
  
  TREX Documentation: Refer to the official SAP documentation for TREX for detailed instructions on managing and troubleshooting TREX.
  SAP Notes: Check SAP Notes related to TREX and the specific error message for any additional guidance or patches that may be relevant.
  System Logs: Review system logs (transaction SM21) for any related errors that may provide further insight into the issue.
  Performance Considerations: If TREX downtime is a recurring issue, consider reviewing the system's performance and configuration to prevent future occurrences.
  
  If the problem persists after following these steps, it may be necessary to consult with SAP support or your system administrator for further assistance.