我有一个对象,它的成员之一是 IonValue。我正在尝试将整个对象序列化为 IonValue,但我得到了 InvalidDefinitionException。
引发异常的序列化代码:ionMapper.writeValueAsIonValue(CustomerClassObject)
public class CustomerClass {
private final String employeeId;
private final String businessId;
private final String customerName;
private final IonValue eventVal;
private final Map<String, String> additionalParams;
}
我的 IonObjectMapper 初始化如下
public IonObjectMapper createJacksonIonMapper() {
final IonObjectMapper mapper = new IonObjectMapper();
mapper.setCreateBinaryWriters(true);
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
return mapper;
}
异常堆栈跟踪:
InvalidDefinitionException: Direct self-reference leading to cycle (through reference chain: com.software.model.CustomerClass["eventVal"]->software.amazon.ion.impl.lite.IonStructLite["symbolTable"]->software.amazon.ion.impl.SharedSymbolTable["systemSymbolTable"])
at com.fasterxml.jackson.databind.exc.InvalidDefinitionException.from(InvalidDefinitionException.java:77) ~[jackson-databind-2.12.3.jar:?]
at com.fasterxml.jackson.databind.SerializerProvider.reportBadDefinition(SerializerProvider.java:1276) ~[jackson-databind-2.12.3.jar:?]
at com.fasterxml.jackson.databind.ser.BeanPropertyWriter._handleSelfReference(BeanPropertyWriter.java:944) ~[jackson-databind-2.12.3.jar:?]
at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:722) ~[jackson-databind-2.12.3.jar:?]
at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:770) ~[jackson-databind-2.12.3.jar:?]
at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:178) ~[jackson-databind-2.12.3.jar:?]
at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:728) ~[jackson-databind-2.12.3.jar:?]
at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:770) ~[jackson-databind-2.12.3.jar:?]
at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:178) ~[jackson-databind-2.12.3.jar:?]
at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:728) ~[jackson-databind-2.12.3.jar:?]