nested exception is org.springframework.web.multipart.MultipartException:Failed to parse multipart servlet request

This error occurs when there is an issue with parsing a multipart servlet request in a Spring application. It usually means that there was an error with the file upload process.

Possible causes of this error include:

- The uploaded file is too large for the server to handle
- The uploaded file is corrupted or in the wrong format
- There is a problem with the server configuration or network connectivity
- There is a bug in the Spring framework or application code

To resolve this issue, you can try the following:

- Check the server logs for more detailed error messages
- Ensure that the uploaded file is in the correct format and is not corrupted
- Increase the maximum file size limit in the server configuration
- Upgrade to a newer version of the Spring framework or application code
- Check your network connectivity and server configuration to ensure that there are no issues with the upload process.