[BUG] Fastjson JSONField 异常

[Cooper-Zhong]

问题描述

#1258 在fastjson中有问题，fastjson2结果正常

环境信息

• OS信息： [MacOS 12.7.4 M1 Pro 16 GB]
• JDK信息： [Openjdk 17.0.6]
• 版本信息：[Fastjson 2.0.49]

重现步骤

import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.annotation.JSONField;
import lombok.Data;
import lombok.Getter;
import lombok.Setter;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

public class Issue1258Mutated_31 {

    @Getter
    @Setter
    @Data
    private class MutatedSimpleBean {
        @JSONField(name = "E")
        private Long et;
    }

    @Getter
    @Setter
    @Data
    private class MutatedSimpleBean1 {
        @com.alibaba.fastjson.annotation.JSONField(name = "E")
        private Long et;
    }

    @Test
    public void testMutated() {
        String str = "{\"E\":123,\"e\":\"abc\"}";
        MutatedSimpleBean bean = JSON.parseObject(str, MutatedSimpleBean.class);
        assertEquals(123L, bean.et);
    }

    @Test
    public void testMutatedfj() {
        String str = "{\"E\":123,\"e\":\"abc\"}";
        MutatedSimpleBean1 bean1 = com.alibaba.fastjson.JSON.parseObject(str, MutatedSimpleBean1.class);
        assertEquals(123L, bean1.et);
    }

    public static class MutatedBean {
        private Long et;

        public MutatedBean(@JSONField(name = "E") Long et) {
            this.et = et;
        }
    }

    public static class MutatedBean1 {
        private Long et;

        public MutatedBean1(@com.alibaba.fastjson.annotation.JSONField(name = "E") Long et) {
            this.et = et;
        }
    }

    @Test
    public void test2Mutated() {
        String str = "{\"E\":123,\"e\":\"abc\"}";
        MutatedBean bean = JSON.parseObject(str, MutatedBean.class);
        assertEquals(123L, bean.et);
    }

    @Test
    public void test2Mutatedfj() {
        String str = "{\"E\":123,\"e\":\"abc\"}";
        MutatedBean1 bean = com.alibaba.fastjson.JSON.parseObject(str, MutatedBean1.class);
        assertEquals(123L, bean.et);
    }
}

期待的正确结果

能够正常解析

相关日志输出

com.alibaba.fastjson.JSONException: parseLong error, value : abc
at com.alibaba.fastjson.JSON.parseObject(JSON.java:525)

[wenshao]

https://github.com/alibaba/fastjson2/releases/tag/2.0.50
2.0.50已发布，请用新版本