解决fastjson反序列化时报错的问题

现在JAVA 对象如下：

@Data @NoArgsConstructor public class ResourceTreeDto implements Serializable, Comparable<ResourceTreeDto> { private Collection<ResourceTreeDto> children = new TreeSet<>(); } 

该对象需要存进redis里面，序列化进去，没发现问题，但反序列化时，报如下错

 com.alibaba.fastjson.JSONException: syntax error, expect {, actual TreeSet, pos 1718, fieldName menuTree, fastjson-version 1.2.39 at com.alibaba.fastjson.parser.deserializer.JavaBeanDeserializer.deserialze(JavaBeanDeserializer.java:451) ~[fastjson-1.2.39.jar:na] at com.alibaba.fastjson.parser.deserializer.JavaBeanDeserializer.parseRest(JavaBeanDeserializer.java:1234) ~[fastjson-1.2.39.jar:na] at com.alibaba.fastjson.parser.deserializer.FastjsonASMDeserializer_4_ResourceTreeDto.deserialze(Unknown Source) ~[na:na] at com.alibaba.fastjson.parser.deserializer.JavaBeanDeserializer.deserialze(JavaBeanDeserializer.java:267) ~[fastjson-1.2.39.jar:na] at com.alibaba.fastjson.parser.deserializer.DefaultFieldDeserializer.parseField(DefaultFieldDeserializer.java:80) ~[fastjson-1.2.39.jar:na] at com.alibaba.fastjson.parser.deserializer.JavaBeanDeserializer.parseField(JavaBeanDeserializer.java:1061) ~[fastjson-1.2.39.jar:na] at com.alibaba.fastjson.parser.deserializer.JavaBeanDeserializer.deserialze(JavaBeanDeserializer.java:756) ~[fastjson-1.2.39.jar:na] 

经查，原来是fastjson不支持泛型，修改原有的对象即可：

@Data @NoArgsConstructor public class ResourceTreeDto implements Serializable, Comparable<ResourceTreeDto> { private static final long serialVersionUID = /** * 子节点列表，去掉泛形。 */ private Collection children = new TreeSet(); 

去掉泛形后序列化一起正常。