Marshall @Id to JSON while retaining Java 8 time formatting -


i'm trying map object json. works fine, want expose @id in json. i've found this answer on how that, in order use solution, have extend repositoryrestmvcconfiguration. when extend this, java 8 time formatting breaking. json follows:

{"name":"erik",birthdate:"2015-01-01"}

the birthdate field java 8 localdate. now, try expose @id, extending repositoryrestmvcconfiguration , setting configuration.exposeidsfor(myclass.class);. have id exposed, but, result of extending repositoryrestmvcconfiguration, localdate serialized as: 

"birthdate":{"year":2015,"month":"august","chronology":{"id":"iso","calendartype":"iso8601"},"dayofmonth":15,"dayofweek":"saturday","era":"ce","dayofyear":227,"leapyear":false,"monthvalue":8}

so, question is: how can expose id of class while retaining format of localdate?

it sounds you're hitting problem described in this spring boot issue. in short, problem presence of repositoryrestmvcconfiguration subclass causing spring mvc's default json converter used, rather 1 you've configured. described in issue, can work around problem declaring following bean in application's configuration:

@bean public httpmessageconverters httpmessageconverters(         final jackson2objectmapperbuilder builder,         list<httpmessageconverter<?>> converters) {     return new httpmessageconverters(converters) {          @override         protected list<httpmessageconverter<?>> postprocessconverters(                 list<httpmessageconverter<?>> converters) {             (httpmessageconverter<?> converter : converters) {                 if (converter instanceof mappingjackson2httpmessageconverter) {                     builder.configure(((mappingjackson2httpmessageconverter) converter)                             .getobjectmapper());                 }             }             return converters;         }     }; }

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