How To Fix RSHDP104 - General Hadoop client error

SAP Error Message - Details

• Message type: E = Error

• Message class: RSHDP -

• Message number: 104

• Message text: General Hadoop client error

What causes this issue?

The error is further described by the following four parameters:
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Parameter: &v2&
Parameter: &v3&
Parameter: &v4&

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSHDP104 - General Hadoop client error ?

  The SAP error message RSHDP104, which indicates a "General Hadoop client error," typically arises when there are issues related to the connection or configuration of the SAP system with the Hadoop environment. This error can occur in various scenarios, such as when trying to access Hadoop data from SAP applications or during data processing tasks.
  Causes:
  
  
  Configuration Issues: Incorrect configuration settings in the SAP system or Hadoop client can lead to this error. This includes issues with the Hadoop connection parameters, such as the hostname, port, or authentication settings.
  
  
  Network Problems: Network connectivity issues between the SAP system and the Hadoop cluster can cause this error. This could be due to firewalls, incorrect routing, or network outages.
  
  
  Hadoop Client Installation: If the Hadoop client is not installed correctly or is missing required libraries, it can lead to this error.
  
  
  Authentication Issues: Problems with authentication, such as Kerberos tickets not being available or expired, can also trigger this error.
  
  
  Version Compatibility: Incompatibility between the versions of the SAP system and the Hadoop client can lead to errors.
  
  
  Solutions:
  
  
  Check Configuration: Verify the configuration settings in the SAP system for connecting to Hadoop. Ensure that the hostname, port, and any authentication details are correct.
  
  
  Network Connectivity: Test the network connection between the SAP system and the Hadoop cluster. Use tools like ping or telnet to check connectivity to the Hadoop server.
  
  
  Hadoop Client Installation: Ensure that the Hadoop client is installed correctly on the SAP server. Check for any missing libraries or dependencies.
  
  
  Authentication: If using Kerberos, ensure that the Kerberos ticket is valid and not expired. You can use the klist command to check the status of your Kerberos tickets.
  
  
  Logs and Traces: Check the logs for more detailed error messages. The Hadoop logs can provide insights into what might be going wrong.
  
  
  Version Compatibility: Ensure that the versions of the SAP system and the Hadoop client are compatible. Refer to SAP notes or documentation for guidance on supported versions.
  
  
  Consult Documentation: Refer to the official SAP documentation or notes related to Hadoop integration for any specific configurations or troubleshooting steps.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Hadoop Documentation: Review the Hadoop documentation for any specific configurations or requirements that need to be met for integration with SAP.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.