How To Fix ESH_HANA_ADMIN028 - Sending indexing requests to HANA database failed

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_HANA_ADMIN - ESH HANA Index Administration

• Message number: 028

• Message text: Sending indexing requests to HANA database failed

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_HANA_ADMIN028 - Sending indexing requests to HANA database failed ?

  The SAP error message ESH_HANA_ADMIN028 indicates that there was a failure in sending indexing requests to the HANA database. This error typically arises in the context of the SAP Enterprise Search (SAP ESH) when it attempts to index data from various sources into the HANA database.
  Causes:
  
  Database Connectivity Issues: There may be problems with the connection between the SAP application and the HANA database, such as network issues or incorrect connection parameters.
  HANA Database Performance: The HANA database might be under heavy load or experiencing performance issues, which can lead to timeouts or failures in processing indexing requests.
  Configuration Errors: Incorrect configuration settings in the SAP ESH or HANA database can lead to failures in indexing.
  Resource Limitations: Insufficient resources (CPU, memory, disk space) on the HANA database server can prevent successful indexing.
  Authorization Issues: The user account used for indexing may not have the necessary permissions to perform the indexing operations.
  
  Solutions:
  
  
  Check Database Connectivity:
  
  Verify that the connection to the HANA database is active and functioning correctly. You can test the connection using tools like HANA Studio or SQL clients.
  Ensure that the connection parameters (host, port, user credentials) are correctly configured.
  
  
  
  Monitor HANA Database Performance:
  
  Use HANA monitoring tools to check for performance bottlenecks. Look for high CPU usage, memory consumption, or disk I/O issues.
  If the database is under heavy load, consider scheduling indexing jobs during off-peak hours.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings for SAP ESH and ensure they are correctly set up for your environment.
  Review the indexing settings and parameters to ensure they align with best practices.
  
  
  
  Resource Management:
  
  Ensure that the HANA database has sufficient resources allocated. If necessary, consider scaling up the hardware or optimizing existing resource usage.
  Check for any long-running transactions or locks that might be affecting performance.
  
  
  
  Check User Permissions:
  
  Verify that the user account used for indexing has the necessary permissions to access the required tables and perform indexing operations.
  If needed, adjust the user roles and permissions accordingly.
  
  
  
  Review Logs:
  
  Check the application and HANA database logs for any additional error messages or warnings that could provide more context about the failure.
  Look for specific error codes or messages that can help pinpoint the issue.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for SAP ESH and HANA for best practices and configuration guidelines.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the ESH_HANA_ADMIN028 error message. If the problem persists, consider reaching out to SAP support for further assistance.