Diagnosing MissingRequiredRequestParameterException in Spring MVC
A Spring MVC endpoint returns HTTP 400 when a required @RequestParam is missing. Learn how to trace the cause to a name mismatch, missing default value, or binding conflict.
ReadMeFeed / Community knowledge
Real questions. Useful conversations. Find the people who know your stack.
A Spring MVC endpoint returns HTTP 400 when a required @RequestParam is missing. Learn how to trace the cause to a name mismatch, missing default value, or binding conflict.
Offset pagination in Hibernate slows as page numbers grow. Learn how keyset pagination avoids that cost, when to use each approach, and how to verify the difference with SQL logging and EXPLAIN ANALYZE.
Decide whether to compile Java in Eclipse with ecj or delegate builds to Maven/Gradle, then validate CI parity before pushing.
Learn how Thymeleaf Layout Dialect lets Spring developers define a base page shell once and inject page-specific content, while keeping HTML prototypes valid and avoiding nested-decoration performance traps.
When building a small Java microservice, Jule’s minimal HTTP server and DI make it a compelling choice. This guide lays out the core requirements, the smallest viable architecture, data trust boundaries, operational checks, failure modes, and when you should pivot to another stack.
Learn how to implement Dropwizard HealthChecks for readiness probes without triggering restart loops or saturating your admin thread pool.
Enable New Relic Distributed Tracing for Java microservices: add the agent, set <code>distributed_tracing.enabled</code>, verify traces, measure overhead, and balance sampling and privacy. Follow a staged rollout to keep performance in check.
Stop duplicating HTML headers and footers. Learn how to use the Thymeleaf Layout Dialect to implement template inheritance for cleaner, more maintainable Java web applications.
Jeet is a lightweight Java web framework that auto‑configures Jersey on Jetty, enabling rapid REST API development with minimal boilerplate. This blog walks through a minimal setup, shows hot‑reload, and discusses trade‑offs before you ship production.