Symptom
When a training job accesses OBS, an error occurs.
Figure 1 Error log
Possible Causes
The possible causes are as follows:
- The OBS permission is incorrect. As a result, data cannot be read.
Solution
Verify that OBS permissions are correctly assigned. If the problem persists, troubleshoot by following the instructions provided in "Why Can't I Access OBS (403 AccessDenied) After Being Granted with the OBS Access Permission?".
Summary and Suggestions
Before creating a training job, use the ModelArts development environment to debug the training code to maximally eliminate errors in code migration.
- If an error occurred in OBS, identify the cause based on the error information, including the error code and message. For details about OBS error codes, see Python > Troubleshooting > OBS Server-Side Error Codes in Object Storage Service SDK Reference.