How To Fix ILM_STOR_HDP256 - An error occurred while refreshing HTTP_&1 for existing connector

SAP Error Message - Details

• Message type: E = Error

• Message class: ILM_STOR_HDP - ILM Store: Messages for Hadoop impl.

• Message number: 256

• Message text: An error occurred while refreshing HTTP_&1 for existing connector

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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Smart SAP Assistant

• What is the cause and solution for SAP error message ILM_STOR_HDP256 - An error occurred while refreshing HTTP_&1 for existing connector ?

  The SAP error message ILM_STOR_HDP256 indicates that there was an issue while refreshing an HTTP connector in the context of Information Lifecycle Management (ILM). This error typically arises when there are problems with the configuration or connectivity of the HTTP connector used for data archiving or data retrieval processes.
  Possible Causes:
  
  Configuration Issues: The HTTP connector may not be properly configured. This could include incorrect URLs, authentication issues, or missing parameters.
  Network Issues: There may be network connectivity problems preventing the SAP system from reaching the HTTP endpoint.
  Service Availability: The service that the HTTP connector is trying to reach may be down or not responding.
  Authorization Issues: The user or service account used for the HTTP connection may not have the necessary permissions to access the resource.
  System Updates: Changes in the system or updates to the HTTP service could lead to incompatibilities.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the HTTP connector in the ILM settings. Ensure that the URL, authentication method, and any required parameters are correctly set.
  Test Connectivity: Use tools like ping or curl to test the connectivity to the HTTP endpoint from the SAP system. This can help identify if there are network issues.
  Service Status: Verify that the HTTP service you are trying to connect to is up and running. Check logs or monitoring tools for any downtime or errors.
  Review Authorizations: Ensure that the user or service account has the necessary permissions to access the HTTP service. This may involve checking roles and authorizations in both SAP and the external service.
  Check Logs: Look at the SAP application logs (transaction SLG1) for more detailed error messages that can provide additional context about the failure.
  Update Documentation: If there have been recent changes to the HTTP service, ensure that the documentation is updated and that the SAP system is aligned with any new requirements.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on configuring HTTP connectors in ILM.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review the official SAP documentation for ILM and HTTP connectors for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.