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This repository was archived by the owner on Oct 23, 2024. It is now read-only.
日期格式设置为 "yyyy-MM-dd'T'HH:mm:ss.SSSSSSSSS" 会导致反序列化报错 #3361
Description
我看了一下DateCodec的源代码，好像只是简单的判断了一下 strVal.length() == parser.getDateFomartPattern().length()，不符合就直接跳过使用DateFormat，从而导致这个问题。
这是我的测试代码
package test.fastjson;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.alibaba.fastjson.support.config.FastJsonConfig;
import lombok.Getter;
import lombok.Setter;
import lombok.ToString;
import lombok.extern.slf4j.Slf4j;
import java.util.Date;
@Slf4j
public class FastJsonTest {
public static void main(String[] args) {
Model model = new Model();
model.setOldDate(new Date());
log.info("{}", model);
FastJsonConfig config = new FastJsonConfig();
config.setSerializerFeatures(SerializerFeature.WriteMapNullValue);
config.setWriteContentLength(false);
JSON.DEFFAULT_DATE_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSSSSSSS";
config.setDateFormat(JSON.DEFFAULT_DATE_FORMAT);
String string = JSON.toJSONString(model,
config.getSerializeConfig(),
config.getSerializeFilters(),
config.getDateFormat(),
JSON.DEFAULT_GENERATE_FEATURE,
config.getSerializerFeatures());
log.info("{}", string);
Model model2 = JSON.parseObject(string, Model.class);
log.info("{}", model2);
Model model3 = JSON.parseObject(string, new TypeReference<Model>() {
}.getType());
log.info("{}", model3);
}
@Getter
@Setter
@ToString
public static class Model {
private Date oldDate;
}
}
这个是错误日志
2020-07-24 16:54:30.173 GMT+08:00 INFO 14700 --- [main] test.fastjson.FastJsonTest : FastJsonTest.Model(oldDate=Fri Jul 24 16:54:30 CST 2020)
2020-07-24 16:54:30.275 GMT+08:00 INFO 14700 --- [main] test.fastjson.FastJsonTest : {"oldDate":"2020-07-24T16:54:30.000000170"}
Exception in thread "main" com.alibaba.fastjson.JSONException: For input string: "2020-07-24T16:54:30.000000170"
at com.alibaba.fastjson.parser.DefaultJSONParser.parseObject(DefaultJSONParser.java:693)
at com.alibaba.fastjson.JSON.parseObject(JSON.java:395)
at com.alibaba.fastjson.JSON.parseObject(JSON.java:299)
at com.alibaba.fastjson.JSON.parseObject(JSON.java:572)
at test.fastjson.FastJsonTest.main(FastJsonTest.java:42)
Caused by: java.lang.NumberFormatException: For input string: "2020-07-24T16:54:30.000000170"
at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.base/java.lang.Long.parseLong(Long.java:692)
at java.base/java.lang.Long.parseLong(Long.java:817)
at com.alibaba.fastjson.serializer.DateCodec.cast(DateCodec.java:335)
at com.alibaba.fastjson.parser.deserializer.AbstractDateDeserializer.deserialze(AbstractDateDeserializer.java:184)
at com.alibaba.fastjson.parser.deserializer.AbstractDateDeserializer.deserialze(AbstractDateDeserializer.java:16)
at com.alibaba.fastjson.parser.deserializer.DefaultFieldDeserializer.parseField(DefaultFieldDeserializer.java:86)
at com.alibaba.fastjson.parser.deserializer.JavaBeanDeserializer.parseField(JavaBeanDeserializer.java:1277)
at com.alibaba.fastjson.parser.deserializer.JavaBeanDeserializer.deserialze(JavaBeanDeserializer.java:892)
at com.alibaba.fastjson.parser.deserializer.JavaBeanDeserializer.parseRest(JavaBeanDeserializer.java:1610)
at com.alibaba.fastjson.parser.deserializer.FastjsonASMDeserializer_1_Model.deserialze(Unknown Source)
at com.alibaba.fastjson.parser.deserializer.JavaBeanDeserializer.deserialze(JavaBeanDeserializer.java:296)
at com.alibaba.fastjson.parser.DefaultJSONParser.parseObject(DefaultJSONParser.java:688)
... 4 more