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Tagged articles

request-body

3 articles · Page 1 of 1
Shepherd Advanced Notes
Shepherd Advanced Notes
Jul 10, 2026 · Backend Development

Why Spring MVC File Upload Parameters Disappear: Multipart, Filters, and Request Body Pitfalls

The article details a puzzling Spring MVC file‑upload issue where parameters vanish when the token is sent in a header, tracing the problem through multipart/form‑data parsing, premature request‑body consumption by custom filters, request.getParameter() side effects, and the HiddenHttpMethodFilter, and provides the correct remediation steps.

file-uploadfilterhiddenhttpmethodfilter
0 likes · 15 min read
Why Spring MVC File Upload Parameters Disappear: Multipart, Filters, and Request Body Pitfalls
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Apr 20, 2026 · Backend Development

Rewrite Spring Boot Request Body: Filter, RequestBodyAdvice, and Custom Processor

This article compares three Spring Boot techniques—using a Filter with a custom HttpServletRequestWrapper, a global RequestBodyAdvice, and a custom RequestResponseBodyMethodProcessor—to transparently decrypt or modify the request body, providing code samples, configuration tips, and testing guidance for each approach.

Custom ProcessorRequestBodyAdvicebackend
0 likes · 8 min read
Rewrite Spring Boot Request Body: Filter, RequestBodyAdvice, and Custom Processor