How To Fix RSDA_HDP102 - WebHDFS: Destination '&1', user = '&2', path = '&3', size = &4 GByte

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDA_HDP -

• Message number: 102

• Message text: WebHDFS: Destination '&1', user = '&2', path = '&3', size = &4 GByte

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 RSDA_HDP102 - WebHDFS: Destination '&1', user = '&2', path = '&3', size = &4 GByte ?

  The SAP error message RSDA_HDP102 typically relates to issues encountered when using the WebHDFS interface for data transfer between SAP systems and Hadoop Distributed File System (HDFS). This error message indicates a problem with the destination path, user permissions, or the size of the data being transferred.
  Cause:
  
  Destination Path Issues: The specified destination path in HDFS may not exist or may be incorrectly formatted.
  User Permissions: The user specified in the error message may not have the necessary permissions to write to the specified path in HDFS.
  Data Size Limitations: The size of the data being transferred may exceed the limits set by the HDFS configuration or the SAP system.
  Network Issues: There may be network connectivity issues between the SAP system and the Hadoop cluster.
  Configuration Issues: Incorrect configuration settings in the SAP system or Hadoop cluster can lead to this error.
  
  Solution:
  
  Check Destination Path: Verify that the destination path specified in the error message exists in HDFS and is correctly formatted.
  User Permissions: Ensure that the user has the necessary permissions to write to the specified path. You may need to adjust the permissions in HDFS using the hdfs dfs -chmod command or by modifying the user roles in your Hadoop security settings.
  Data Size Management: If the data size exceeds the limits, consider breaking the data into smaller chunks or adjusting the configuration settings in HDFS to allow for larger file sizes.
  Network Connectivity: Check the network connection between the SAP system and the Hadoop cluster to ensure there are no connectivity issues.
  Configuration Review: Review the configuration settings in both the SAP system and the Hadoop cluster to ensure they are correctly set up for data transfer.
  
  Related Information:
  
  Hadoop Documentation: Refer to the official Hadoop documentation for details on WebHDFS and permissions management.
  SAP Notes: Check SAP Notes for any known issues or patches related to the RSDA_HDP102 error.
  Logs: Review the logs in both the SAP system and the Hadoop cluster for additional error messages or warnings that may provide more context about the issue.
  HDFS Commands: Familiarize yourself with HDFS commands such as hdfs dfs -ls, hdfs dfs -mkdir, and hdfs dfs -put to manage files and directories in HDFS.
  
  By following these steps, you should be able to diagnose and resolve the RSDA_HDP102 error effectively.