JSONObject.to()出现空指针异常
JSONObject.to()出现空指针异常
public static void main(String[] args) { String json = "{"PARAMETER":{"SSRC":[null,15,null,null,null,null,null,null,null,null,null,null,null],"RUN":124}}"; Param<?> param = JSON.parseObject(json, Param.class); JSONObject jsonBody = (JSONObject) param.getParameter(); TypeReference typeReference = new TypeReference() { }; Object to = jsonBody.to(typeReference.getType()); System.out.println(to); } @getter @Setter static class Test { @JSONField(name = "RUN") private Integer run; @JSONField(name = "SSRC") private List ssrc; }
@Getter @Setter static class Param { @JSONField(name = "PARAMETER") private T parameter; }
fastjson2: 2.0.12 result is : Caused by: java.lang.NullPointerException at com.alibaba.fastjson2.reader.ObjectReaderImplList.createInstance(ObjectReaderImplList.java:176) at com.alibaba.fastjson2.JSONArray.to(JSONArray.java:939) at com.alibaba.fastjson2.reader.ObjectReader.createInstance(ObjectReader.java:109) at com.alibaba.fastjson2.JSONObject.to(JSONObject.java:1141)
原提问者GitHub用户18681466471
写回答
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问题已修复，请用新版本 https://github.com/alibaba/fastjson2/releases/tag/2.0.22
原回答者GitHub用户wenshao
2023-04-21 14:01:24赞同 展开评论 打赏
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