In
https://github.com/FasterXML/jackson-databind/blob/master/src/main/java/com/fasterxml/jackson/databind/AnnotationIntrospector.java
the method findSerializationType is deprecated since v2.7 and returns
always null.
The method refineSerializationType (which is the new method that should be
used instead of findSerializationType) uses/calls the findSerializationType
in some parts with logic [if(... ].
I think this makes refineSerializationType broken.
I get the following exception in a custom Serialization:
com.fasterxml.jackson.databind.JsonMappingException: Can not refine
serialization key type [simple type, class java.util.Currency] into java.
lang.String; types not related
at com.fasterxml.jackson.databind.AnnotationIntrospector.
refineSerializationType(AnnotationIntrospector.java:891)
at com.fasterxml.jackson.databind.ser.PropertyBuilder.
findSerializationType(PropertyBuilder.java:188)
at com.fasterxml.jackson.databind.ser.PropertyBuilder.buildWriter(
PropertyBuilder.java:75)
at com.fasterxml.jackson.databind.ser.BeanSerializerFactory.
_constructWriter(BeanSerializerFactory.java:818)
at com.fasterxml.jackson.databind.ser.BeanSerializerFactory.
findBeanProperties(BeanSerializerFactory.java:609)
at com.fasterxml.jackson.databind.ser.BeanSerializerFactory.
constructBeanSerializer(BeanSerializerFactory.java:390)
at com.fasterxml.jackson.databind.ser.BeanSerializerFactory.
findBeanSerializer(BeanSerializerFactory.java:273)
at com.fasterxml.jackson.databind.ser.BeanSerializerFactory.
_createSerializer2(BeanSerializerFactory.java:225)
at com.fasterxml.jackson.databind.ser.BeanSerializerFactory.
createSerializer(BeanSerializerFactory.java:159)
at com.fasterxml.jackson.databind.SerializerProvider.
_createUntypedSerializer(SerializerProvider.java:1272)
at com.fasterxml.jackson.databind.SerializerProvider.
_createAndCacheUntypedSerializer(SerializerProvider.java:1222)
at com.fasterxml.jackson.databind.SerializerProvider.
findValueSerializer(SerializerProvider.java:499)
at com.fasterxml.jackson.databind.SerializerProvider.
findTypedValueSerializer(SerializerProvider.java:697)
at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.
serializeValue(DefaultSerializerProvider.java:270)
at com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(
ObjectMapper.java:3672)
at com.fasterxml.jackson.databind.ObjectMapper.writeValue(
ObjectMapper.java:3030)
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