Transformations > Machine Learning transformation > Troubleshooting
  

Troubleshooting

Use Monitor to access log files to troubleshoot REST API requests and responses in the Machine Learning transformation. Set the tracing level to verbose data to view the details.
The following table lists the details that are available in each log file:
Log file
Details
Spark driver log
  • - Input schema
  • - Output schema
  • - URL
  • - HTTP method
Spark executor log
If the mapping fails, the following details become available for each failed row:
  • - Response code*
  • - Request details, such as the URL, headers, and request body
  • - Response details, such as the headers and response body
The following details are available for each successful row:
  • - Response code
  • - Time to receive the response
Session log
Stack trace, if the mapping fails*
* Also available when the log level is set to INFO.
For more information about log files in advanced mode, see the Monitor help.