报错
java.io.FileNotFoundException: MultipartFile resource [file] cannot be resolved to absolute file path
at org.springframework.core.io.AbstractResource.getFile(AbstractResource.java:138)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.alibaba.fastjson.util.FieldInfo.get(FieldInfo.java:544)
at com.alibaba.fastjson.serializer.FieldSerializer.getPropertyValueDirect(FieldSerializer.java:145)
at com.alibaba.fastjson.serializer.JavaBeanSerializer.write(JavaBeanSerializer.java:282)
at com.alibaba.fastjson.serializer.JavaBeanSerializer.write(JavaBeanSerializer.java:149)
at com.alibaba.fastjson.serializer.FieldSerializer.writeValue(FieldSerializer.java:320)
at com.alibaba.fastjson.serializer.JavaBeanSerializer.write(JavaBeanSerializer.java:470)
at com.alibaba.fastjson.serializer.JavaBeanSerializer.write(JavaBeanSerializer.java:149)
at com.alibaba.fastjson.serializer.JSONSerializer.writeWithFieldName(JSONSerializer.java:333)
at com.alibaba.fastjson.serializer.ASMSerializer_6_Chunk.write(Unknown Source)
at com.alibaba.fastjson.serializer.MapSerializer.write(MapSerializer.java:271)
at com.alibaba.fastjson.serializer.MapSerializer.write(MapSerializer.java:44)
at com.alibaba.fastjson.serializer.JSONSerializer.write(JSONSerializer.java:285)
at com.alibaba.fastjson.JSON.toJSONString(JSON.java:758)
at com.alibaba.fastjson.JSON.toJSONString(JSON.java:696)
at com.alibaba.fastjson.JSON.toJSONString(JSON.java:661)
问题原因
fastjson转换文件类型MultipartFile的参数失败
解决方式
在实体类对应字段标防止序列化的注解
@JSONField(serialize = false)
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