Cognitive Technology Team
Sep 3, 2022 · Backend Development
Diagnosing NoSuchMethodError and NoSuchFieldError in Spring Boot Jar Packages
This article explains why a Spring Boot application that runs fine in an IDE may throw NoSuchMethodError or NoSuchFieldError when packaged as an executable jar, and provides systematic steps—including JVM class‑loading flags, Maven enforcer rules, and class‑path inspection—to locate and resolve the root cause.
Class LoadingMavenNoSuchMethodError
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