So, i have an issue i'm struggling to resolve. I have a service making a
REST call to another service. Using jackson 2.12.7 all's well. Upgrading to
jackson 2.13.5 the same code, config etc i'm getting this error:
Could not resolve subtype of [simple type, class
com.rapid7.platform.ipims.domain.PlatformUser]: missing type id property
'@class'
The PlatformUser class is a straight forward POJO (and again unchanged)
with the following props:
private String userId;
private Customer customer;
private String email;
private String oktaUserId;
private Long createdTime;
private Long lastLoginTime;
private boolean multiCustomer = false;
private boolean externalIdp;
private Map<String, String> userProperties = new HashMap<>();
We're using a Mixin to avoid deserializing userProperties Map.
Our objectMapper is setup like this:
private ObjectMapper objectMapper() {
ObjectMapper mapper = new ObjectMapper();
mapper.enableDefaultTyping(
ObjectMapper.DefaultTyping.NON_FINAL,
JsonTypeInfo.As.PROPERTY
);
mapper.registerModule(new CoreJackson2Module());
mapper.registerModule(new WebJackson2Module());
mapper.registerModule(new WebServletJackson2Module());
mapper.registerModule(new WebServerJackson2Module());
mapper.registerModule(new Saml2Jackson2Module());
mapper.registerModules(new Saml2Jackson2Module());
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
// handle Java 8 Datetime with JSR-310
mapper.registerModule(new JavaTimeModule());
mapper.addMixIn(PlatformUser.class, PlatformUserMixin.class);
mapper.addMixIn(MapSession.class, MapSessionMixin.class);
return mapper;
}
Debugging through the code i can see the objectmapper is wired in fine and
that the objectMapper is setting it's valueType to a SimpleType[simple
type, class PlatformUser] so things seem setup correctly but at some point
something odd is happening and an AsPropertyTypeDeserializer is used and
triggers the above exception (seems to be expecting the JSON to contain an
@class definition/declaration, which was unnecessary previously).
So, can anyone help point me in the right direction?
Thanks alot.
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