IntelliJ中SonarLint的Serializable警告异常问题求助

在IntelliJ IDEA 2024.1.1（旗舰版）中使用SonarLint插件时，遇到了Make "[field name]" transient or serializable警告的异常问题：按要求修正代码后警告仍不消失，且存在明显的误判/漏判情况。

初始代码与警告触发 #

ParentDTO类（已实现Serializable） #

import io.swagger.v3.oas.annotations.media.Schema;
import jakarta.validation.constraints.NotNull;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.experimental.SuperBuilder;

import java.io.Serializable;

@Data
@SuperBuilder
@NoArgsConstructor
@AllArgsConstructor
@Schema(description = "Description")
public class ParentDTO implements Serializable {
    @NotNull
    @Schema(description = "Test", requiredMode = Schema.RequiredMode.REQUIRED)
    private String test;

    @NotNull
    @Schema(description = "Child", requiredMode = Schema.RequiredMode.REQUIRED)
    private ChildDTO child;
}

ChildDTO类（未实现Serializable） #

import io.swagger.v3.oas.annotations.media.Schema;
import jakarta.validation.constraints.NotNull;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.experimental.SuperBuilder;

@Data
@SuperBuilder
@NoArgsConstructor
@AllArgsConstructor
@Schema(description = "Child description")
public class ChildDTO {
    @NotNull
    @Schema(description = "Name", requiredMode = Schema.RequiredMode.REQUIRED)
    private String name;
}

此时ParentDTO类的child字段触发SonarLint警告：Make "child" transient or serializable。

修正后警告未消失 #

将ChildDTO修改为实现Serializable接口后：

import io.swagger.v3.oas.annotations.media.Schema;
import jakarta.validation.constraints.NotNull;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.experimental.SuperBuilder;
import java.io.Serializable;

@Data
@SuperBuilder
@NoArgsConstructor
@AllArgsConstructor
@Schema(description = "Child description")
public class ChildDTO implements Serializable {
    @NotNull
    @Schema(description = "Name", requiredMode = Schema.RequiredMode.REQUIRED)
    private String name;
}

但警告并未消失，尝试以下操作均无效：

• 重启IntelliJ并清除所有缓存
• 将SonarLint插件更新至最新版本
• 在全新Git克隆的项目上重新配置IntelliJ

异常测试现象 #

1. 类名修改测试：将ChildDTO类名重构为ChildDTOx，警告立即消失；改回原名后警告再次出现。
2. 相同结构类测试：新建与ChildDTO结构完全一致的ChildDTODummy类，在ParentDTO中添加引用：

import io.swagger.v3.oas.annotations.media.Schema;
import jakarta.validation.constraints.NotNull;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.experimental.SuperBuilder;

import java.io.Serializable;

@Data
@SuperBuilder
@NoArgsConstructor
@AllArgsConstructor
@Schema(description = "Description")
public class ParentDTO implements Serializable {
    @NotNull
    @Schema(description = "Test", requiredMode = Schema.RequiredMode.REQUIRED)
    private String test;

    @NotNull
    @Schema(description = "Child", requiredMode = Schema.RequiredMode.REQUIRED)
    private ChildDTO child;

    @NotNull
    @Schema(description = "Child dummy", requiredMode = Schema.RequiredMode.REQUIRED)
    private ChildDTODummy childDummy;
}

无论ChildDTODummy是否实现Serializable，都未触发Make "childDummy" transient or serializable警告。

疑问 #

为什么SonarLint会出现这种异常：在代码符合要求的情况下仍显示警告，而在代码不符合要求的情况下却不触发警告？

内容的提问来源于stack exchange，提问作者dzk008