How To Fix ESH_CHECK_CONN031 - Connector &1 has no nodes. No more checks are possible

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_CHECK_CONN - Check connector consistency

• Message number: 031

• Message text: Connector &1 has no nodes. No more checks are possible

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_CHECK_CONN031 - Connector &1 has no nodes. No more checks are possible ?

  The SAP error message ESH_CHECK_CONN031 indicates that the specified connector does not have any nodes available for processing. This typically occurs in the context of the SAP Enterprise Search (SAP ESH) framework, where connectors are used to retrieve data from various sources.
  Cause:
  
  No Nodes Configured: The connector specified in the error message has not been configured with any nodes. Nodes are essential for the connector to know where to pull data from.
  Connection Issues: There may be issues with the connection to the data source, which could prevent nodes from being recognized or retrieved.
  Authorization Issues: The user or service account may not have the necessary permissions to access the nodes or the data source.
  Configuration Errors: There may be misconfigurations in the connector settings or the underlying data source.
  
  Solution:
  
  
  Check Connector Configuration:
  
  Go to the SAP ESH configuration settings and verify that the connector is properly configured.
  Ensure that nodes are defined and correctly set up for the connector.
  
  
  
  Verify Data Source:
  
  Check the data source that the connector is supposed to connect to. Ensure that it is up and running and that the necessary data is available.
  If applicable, test the connection to the data source to ensure it is reachable.
  
  
  
  Review Authorizations:
  
  Ensure that the user or service account used by the connector has the necessary authorizations to access the nodes and the data source.
  Check the roles and permissions assigned to the user/service account.
  
  
  
  Check Logs for Errors:
  
  Review the application logs for any additional error messages or warnings that may provide more context about the issue.
  Look for any connectivity issues or errors related to the data source.
  
  
  
  Reconfigure or Restart:
  
  If changes are made to the configuration, it may be necessary to restart the connector or the entire ESH service to apply the changes.
  In some cases, reconfiguring the connector from scratch may resolve the issue.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for the specific connector you are using. There may be additional configuration steps or troubleshooting tips provided.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific connector you are using.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the ESH_CHECK_CONN031 error message.