jackson-dataformat-xml
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JAXB @XmlValue deserializing not working with records
@XmlAttribute
and @XmlElement
seem to work fine with records, and @XmlValue
seems to work when serializing but deserializing fails with java.lang.IllegalAccessException
public class Main {
public record TestObject (
@XmlValue
String name,
@XmlAttribute
int age) {}
public static void main(String[] args) throws JsonProcessingException {
XmlMapper xmlMapper = new XmlMapper();
JakartaXmlBindAnnotationModule module = new JakartaXmlBindAnnotationModule();
xmlMapper.registerModule(module);
TestObject testObject = new TestObject("foo", 12);
String xml = xmlMapper.writeValueAsString(testObject);
TestObject testObject1 = xmlMapper.readValue(xml, TestObject.class);
}
}
stacktrace:
Exception in thread "main" com.fasterxml.jackson.databind.JsonMappingException: Can not set final java.lang.String field org.example.Main$TestObject.name to java.lang.String
at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:276)
at com.fasterxml.jackson.databind.deser.SettableBeanProperty._throwAsIOE(SettableBeanProperty.java:627)
at com.fasterxml.jackson.databind.deser.SettableBeanProperty._throwAsIOE(SettableBeanProperty.java:615)
at com.fasterxml.jackson.databind.deser.SettableBeanProperty._throwAsIOE(SettableBeanProperty.java:638)
at com.fasterxml.jackson.databind.deser.impl.FieldProperty.set(FieldProperty.java:193)
at com.fasterxml.jackson.databind.deser.impl.PropertyValue$Regular.assign(PropertyValue.java:60)
at com.fasterxml.jackson.databind.deser.impl.PropertyBasedCreator.build(PropertyBasedCreator.java:211)
at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeUsingPropertyBased(BeanDeserializer.java:519)
at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.deserializeFromObjectUsingNonDefault(BeanDeserializerBase.java:1405)
at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserializeFromObject(BeanDeserializer.java:352)
at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:185)
at com.fasterxml.jackson.dataformat.xml.deser.XmlTextDeserializer.deserialize(XmlTextDeserializer.java:96)
at com.fasterxml.jackson.dataformat.xml.deser.XmlDeserializationContext.readRootValue(XmlDeserializationContext.java:91)
at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:4730)
at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3677)
at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3645)
at org.example.Main.main(Main.java:25)
Caused by: java.lang.IllegalAccessException: Can not set final java.lang.String field org.example.Main$TestObject.name to java.lang.String
at java.base/jdk.internal.reflect.UnsafeFieldAccessorImpl.throwFinalFieldIllegalAccessException(UnsafeFieldAccessorImpl.java:76)
at java.base/jdk.internal.reflect.UnsafeFieldAccessorImpl.throwFinalFieldIllegalAccessException(UnsafeFieldAccessorImpl.java:80)
at java.base/jdk.internal.reflect.UnsafeQualifiedObjectFieldAccessorImpl.set(UnsafeQualifiedObjectFieldAccessorImpl.java:79)
at java.base/java.lang.reflect.Field.set(Field.java:799)
at com.fasterxml.jackson.databind.deser.impl.FieldProperty.set(FieldProperty.java:190)
... 12 more
I'm using java 17 and jackson 2.14.1