Java Serialization

Top Architect

Jun 13, 2024 · Backend Development

FastJSON Serialization Mechanics: Why isChinaName() Executes and How to Control Serialized Output

This article analyzes a FastJSON serialization issue where a newly added log line triggered unexpected method calls, explains the underlying ASM‑generated serializer and JavaBeanSerializer logic, demonstrates code examples, outlines common pitfalls such as @JSONField annotations and getter patterns, and proposes best‑practice conventions for reliable backend serialization.

ASMJSONFieldJava Serialization

0 likes · 9 min read

FastJSON Serialization Mechanics: Why isChinaName() Executes and How to Control Serialized Output

Java Architect Essentials

Sep 14, 2023 · Backend Development

Understanding FastJson Serialization: Root Causes of NPE, Method Invocation Rules, and Best‑Practice Code Guidelines

This article reviews a production incident caused by a simple log statement, reconstructs the scenario with a CountryDTO example, analyzes FastJson's ASM‑based serializer internals, explains which getter/is methods are invoked during serialization, and proposes annotation‑driven coding standards to avoid similar bugs.

AnnotationsBackend DevelopmentJSON

0 likes · 9 min read

Understanding FastJson Serialization: Root Causes of NPE, Method Invocation Rules, and Best‑Practice Code Guidelines

Selected Java Interview Questions

Nov 4, 2022 · Backend Development

FastJSON Serialization Mechanism: Why isChinaName() Is Invoked and How to Control Method Inclusion

This article analyzes a FastJSON serialization issue caused by an unexpected call to isChinaName(), explains the underlying JavaBeanSerializer workflow, demonstrates how ASM-generated serializers work, and proposes coding conventions using @JSONField to prevent unwanted method execution during JSON conversion.

Backend DevelopmentJSONFieldJava Bean

0 likes · 8 min read

FastJSON Serialization Mechanism: Why isChinaName() Is Invoked and How to Control Method Inclusion