Deserializing enum error by using int/Integer value with @JsonValue

When annotating @JsonValue on the int/Integer value, the enum can be serialized as number successfully. when i deserializing it by using a number JSON string, it will throw exception.

But it work well when using a ‘String’ type JSON string.

Whether the type of serialized values and deserialized parameters should be consistent？

follow is some sample code:

public class Test {
    public static void main(String[] args) {
        final ObjectMapper mapper = new ObjectMapper();

        try {
            // work well as "10" JSON string
            ColorEnum colorEnum1 = mapper.readValue("\"10\"", ColorEnum.class);
            System.out.println(colorEnum1);
        } catch (JsonProcessingException e) {
            e.printStackTrace();
        }
        try {
            // fail as 10 JSON string
            ColorEnfum colorEnum2 = mapper.readValue("10", ColorEnum.class);
            System.out.println(colorEnum2);
        } catch (JsonProcessingException e) {
            e.printStackTrace();
        }

        try {
            // fail when using serialized generated string
            String json = mapper.writeValueAsString(ColorEnum.RED);
            ColorEnum colorEnum3 = mapper.readValue(json, ColorEnum.class);
            System.out.println(colorEnum3);
        } catch (JsonProcessingException e) {
            e.printStackTrace();
        }
    }

    enum ColorEnum {
        RED(10),
        YELLOW(20),
        GREEN(30);

        ColorEnum(Integer value) {
            this.value = value;
        }

        @JsonValue
        private final Integer value;

        public Integer getValue() {
            return value;
        }
    }
}

the result is:

RED
com.fasterxml.jackson.databind.exc.InvalidFormatException: Cannot deserialize value of type `cn.zzzzbw.springboot.Test$ColorEnum` from number 10: index value outside legal index range [0..2]
 at [Source: (String)"10"; line: 1, column: 1]
	at com.fasterxml.jackson.databind.exc.InvalidFormatException.from(InvalidFormatException.java:67)
	at com.fasterxml.jackson.databind.DeserializationContext.weirdNumberException(DeserializationContext.java:1710)
	at com.fasterxml.jackson.databind.DeserializationContext.handleWeirdNumberValue(DeserializationContext.java:992)
	at com.fasterxml.jackson.databind.deser.std.EnumDeserializer.deserialize(EnumDeserializer.java:200)
	at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:4482)
	at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3434)
	at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3402)
	at cn.zzzzbw.springboot.Test.main(Test.java:23)
com.fasterxml.jackson.databind.exc.InvalidFormatException: Cannot deserialize value of type `cn.zzzzbw.springboot.Test$ColorEnum` from number 10: index value outside legal index range [0..2]
 at [Source: (String)"10"; line: 1, column: 1]
	at com.fasterxml.jackson.databind.exc.InvalidFormatException.from(InvalidFormatException.java:67)
	at com.fasterxml.jackson.databind.DeserializationContext.weirdNumberException(DeserializationContext.java:1710)
	at com.fasterxml.jackson.databind.DeserializationContext.handleWeirdNumberValue(DeserializationContext.java:992)
	at com.fasterxml.jackson.databind.deser.std.EnumDeserializer.deserialize(EnumDeserializer.java:200)
	at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:4482)
	at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3434)
	at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3402)
	at cn.zzzzbw.springboot.Test.main(Test.java:31)

Process finished with exit code 0

ps: the version is 2.11.0

[zzzzbw]

This really works using static factory method with @JsonCreator.

But threre are a lot of enum like this in my project. The factory method is static mean can‘t be inherit so that i have to write manually for every enum.

Thanks very much if can solve this problem in the next version

[cowtowncoder]

Realized that this is a duplicate of #1850 so closing in favor of that one.