[BUG] 针对Record类，boolean类型，JSON.toJSONString()报错

[ityangkai-coder]

问题描述

针对Record类，boolean类型，JSON.toJSONString()报错

环境信息

请填写以下信息：

• OS信息： Macos
• JDK信息： java21
• 版本信息：2.0.53

重现步骤

 public record GoodUpdatedCheck(boolean isUpgrade, boolean isDowngrade, boolean isChangeSubscriptionGood) {
      // boolean会报错
        public static void main(String[] args) {
            GoodUpdatedCheck goodUpdatedCheck = new GoodUpdatedCheck(true, true, true);
            System.out.println(JSON.toJSONString(goodUpdatedCheck));
        }
    }
   
 public record GoodUpdatedCheck2(Boolean isUpgrade, Boolean isDowngrade, Boolean isChangeSubscriptionGood) {
    // Boolean不会报错
        public static void main(String[] args) {
            GoodUpdatedCheck2 goodUpdatedCheck = new GoodUpdatedCheck2(true, true, true);
            System.out.println(JSON.toJSONString(goodUpdatedCheck));
        }
    }
    

期待的正确结果

正确JSON格式化

相关日志输出

*com.truckerpath.vip.utils.SubscriptionGoodsUtil$GoodUpdatedCheck
Exception in thread "main" java.lang.UnsupportedOperationException: can't get field offset on a record class: private final boolean *.SubscriptionGoodsUtil$GoodUpdatedCheck.isChangeSubscriptionGood
at jdk.unsupported/sun.misc.Unsafe.objectFieldOffset(Unsafe.java:655)
at com.alibaba.fastjson2.writer.FieldWriter.(FieldWriter.java:118)
at com.alibaba.fastjson2.writer.FieldWriterBoolean.(FieldWriterBoolean.java:32)
at com.alibaba.fastjson2.writer.FieldWriterBoolMethod.(FieldWriterBoolMethod.java:21)
at com.alibaba.fastjson2.writer.ObjectWriterCreator.createFieldWriter(ObjectWriterCreator.java:933)
at com.alibaba.fastjson2.writer.ObjectWriterCreatorASM.lambda$createObjectWriter$1(ObjectWriterCreatorASM.java:330)
at com.alibaba.fastjson2.util.BeanUtils.getters(BeanUtils.java:1040)
at com.alibaba.fastjson2.writer.ObjectWriterCreatorASM.createObjectWriter(ObjectWriterCreatorASM.java:237)
at com.alibaba.fastjson2.writer.ObjectWriterProvider.getObjectWriterInternal(ObjectWriterProvider.java:462)
at com.alibaba.fastjson2.writer.ObjectWriterProvider.getObjectWriter(ObjectWriterProvider.java:340)
at com.alibaba.fastjson2.JSON.toJSONString(JSON.java:3021)
at com.truckerpath.vip.utils.SubscriptionGoodsUtil$GoodUpdatedCheck.main(SubscriptionGoodsUtil.java:101)
*

附加信息

报错位置：当boolean类型时，field != null, 所以会进行UNSAFE.objectFieldOffset(field); 由于class为record类，所以导致报错

而Boolean类型，field == null，不会使用UNSAFE.objectFieldOffset(field);所以可以正常进行格式化，具体feild入值，针对boolean类型有特殊的判断，不知道为了解决什么问题