How To Fix ESH_RUBU_MSG005 - Connector &1 is not available in the runtime buffer

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_RUBU_MSG - ESH RuBu - Messages

• Message number: 005

• Message text: Connector &1 is not available in the runtime buffer

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.

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_RUBU_MSG005 - Connector &1 is not available in the runtime buffer ?

  The SAP error message ESH_RUBU_MSG005 indicates that a specific connector is not available in the runtime buffer. This error typically occurs in the context of SAP Enterprise Search or SAP HANA, where connectors are used to access and retrieve data from various sources.
  Cause:
  The error can be caused by several factors, including:
  
  Connector Not Activated: The connector you are trying to use may not be activated or configured properly in the system.
  Buffer Issues: The runtime buffer may not have been populated with the necessary data for the connector, possibly due to a previous error or misconfiguration.
  System Configuration: There may be issues with the overall configuration of the Enterprise Search or the specific connector settings.
  Version Mismatch: The connector may not be compatible with the current version of the SAP system or the data source.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Connector Activation:
  
  Go to the SAP system and check if the connector is activated. You can do this in the SAP GUI by navigating to the relevant configuration settings for Enterprise Search or the specific connector.
  
  
  
  Repopulate the Runtime Buffer:
  
  You may need to refresh or repopulate the runtime buffer. This can often be done by executing a specific transaction or program that refreshes the data in the buffer.
  
  
  
  Review Configuration Settings:
  
  Ensure that all configuration settings for the connector are correct. This includes checking connection parameters, authentication settings, and any other relevant configurations.
  
  
  
  Check Logs for Errors:
  
  Review the system logs (transaction SLG1) for any related error messages that might provide more context on why the connector is not available.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for the specific connector you are using. There may be additional steps or prerequisites that need to be fulfilled.
  
  
  
  System Restart:
  
  In some cases, a system restart may help in clearing any temporary issues that are causing the connector to be unavailable.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. They may have additional insights or patches that can resolve the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Community Forums: SAP Community and other forums can be valuable resources for finding similar issues faced by other users and their solutions.
  Documentation: Review the SAP Help Portal for detailed documentation on Enterprise Search and connectors.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the ESH_RUBU_MSG005 error message.