List view

[FEATURE] 支持从子结构体中去除指定变量

enhancementNew feature or requestNew feature or request

Status: Open.

#3903 In alibaba/fastjson2;

· hechang27-sprt opened on Dec 12, 2025

[FEATURE]Fastjson2有没有类似jackson DeserializationProblemHandler这样的类?

enhancementNew feature or requestNew feature or request

Status: Open.

#3912 In alibaba/fastjson2;

· leonchen83 opened on Dec 17, 2025

fastjson2 内部使用 KClassImpl 来获取 Kotlin 构造参数信息，但 Kotlin 1.6+ 已经将 KClassImpl 重命名为 KClassesImplKt

bugSomething isn't workingSomething isn't working

Status: Open.

#3579 In alibaba/fastjson2;

· win301 opened on Jun 4, 2025

java.time.LocalDate 序列化时不记录类型

enhancementNew feature or requestNew feature or request

questionFurther information is requestedFurther information is requested

Status: Open.

#2557 In alibaba/fastjson2;

· penweizgx opened on May 10, 2024

graalvm 打包问题FieldOffset自动替换失败。由于在com.alibaba.fastjson2.util.JDKUtils的静态初始化器中检测到对sun.misc.Unsafe.objectFieldOffset（Field）的调用，因此尝试进行自动替换注册。详细的失败原因：无法确定调用sun.misc.Unsafe.objectFieldOffset（field）计算字段偏移量时产生的值存储在哪个字段

bugSomething isn't workingSomething isn't working

Status: Open.

#3137 In alibaba/fastjson2;

· ZhangChengJi opened on Oct 26, 2024

[BUG] fastjson2中jsonpath表达式嵌套执行报错

bugSomething isn't workingSomething isn't working

Status: Open.

#2150 In alibaba/fastjson2;

· dongxp opened on Jan 3, 2024

[QUESTION] 是否有一种方式，能够在反序列化的前后做一些拦截

questionFurther information is requestedFurther information is requested

Status: Open.

#3326 In alibaba/fastjson2;

· citytianya opened on Feb 10, 2025

[QUESTION] 当频繁动态编译时会出现内存泄漏问题

questionFurther information is requestedFurther information is requested

Status: Open.

#3651 In alibaba/fastjson2;

· xing-zhou9527 opened on Jul 21, 2025

[BUG]hutool的Tree的java bean使用JSON.parseObject 反序列化的问题

bugSomething isn't workingSomething isn't working

Status: Open.

#3599 In alibaba/fastjson2;

· yifeistudio-developer opened on Jun 24, 2025

[BUG] 2.0.57版本fieldName not support input type ARRAY -103, offset 107

bugSomething isn't workingSomething isn't working

Status: Open.

#3556 In alibaba/fastjson2;

· luckytao opened on May 14, 2025

[FEATURE] 关于 json-path 希望增加 IETF JSONPath (RFC 9535) 标准支持

enhancementNew feature or requestNew feature or request

Status: Open.

#3827 In alibaba/fastjson2;

· noear opened on Oct 16, 2025

[FEATURE] Vertx integration

enhancementNew feature or requestNew feature or request

Status: Open.

#3994 In alibaba/fastjson2;

· re-thc opened on Feb 18, 2026

[FEATURE] Implement FastDoubleParser

enhancementNew feature or requestNew feature or request

Status: Open.

#3993 In alibaba/fastjson2;

· re-thc opened on Feb 17, 2026

[BUG] java.lang.ArrayIndexOutOfBoundsException: arraycopy: last destination index 6232 out of bounds for char[576]

bugSomething isn't workingSomething isn't working

Status: Open.

#3989 In alibaba/fastjson2;

· Shui-Ze opened on Feb 9, 2026