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Samebug tips

  1. ,

    The easiest solution is to provide a default constructor for the class you want to convert from/to json.

  2. ,

    You are trying to deserialize a type for which Jackson does not provide a default mapper. You should create your custom mapper for this type.

Solutions on the web

via stackexchange.com by Unknown author, 2 years ago
Unexpected token (END_OBJECT), expected FIELD_NAME: missing property 'FieldType' that is to contain type id (for class org.dd4t.contentmodel.impl.BaseField) at [Source: N/A; line: -1, column: -1]
via Tridion by Hirokazu Shikata
, 1 year ago
Unexpected token (END_OBJECT), expected FIELD_NAME: missing property 'FieldType' that is to contain type id (for class org.dd4t.contentmodel.impl.BaseField) at [Source: N/A; line: -1, column: -1]
via GitHub by Tpt
, 1 year ago
Unexpected token (END_OBJECT), expected FIELD_NAME: missing property 'type' that is to contain type id (for class org.wikidata.wdtk.datamodel.json.jackson.JacksonItemDocument) at [Source: {"entity":"Q26790101","redirect":"Q21863925"}; line: 1, column: 45]
via GitHub by cemo
, 2 years ago
Unexpected token (END_OBJECT), expected FIELD_NAME: missing property '@class' that is to contain type id (for class com.fasterxml.jackson.databind.JsonNode) at [Source: java.io.StringReader@b240236; line: 1, column: 193]
via GitHub by shashigomaram
, 2 years ago
Unexpected token (null), expected FIELD_NAME: missing property '@type' that is to contain type id (for class com.test.Connection) at [Source: java.io.StringReader@24762cda; line: 1, column: 8234] (through reference chain: Object[][14])
via Stack Overflow by user2639828
, 2 years ago
Unexpected token (VALUE_NUMBER_INT), expected FIELD_NAME: missing property 'type' that is to contain type id (for class Literal) at [Source: java.io.StringReader@45002203; line: 1, column: 2] (through reference chain: Field["value"])
com.fasterxml.jackson.databind.JsonMappingException: Unexpected token (END_OBJECT), expected FIELD_NAME: missing property 'FieldType' that is to contain type id (for class org.dd4t.contentmodel.impl.BaseField) at [Source: N/A; line: -1, column: -1] at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:148)[jackson-databind-2.4.3.jar:2.4.3] at com.fasterxml.jackson.databind.DeserializationContext.wrongTokenException(DeserializationContext.java:841)[jackson-databind-2.4.3.jar:2.4.3] at com.fasterxml.jackson.databind.jsontype.impl.AsPropertyTypeDeserializer._deserializeTypedUsingDefaultImpl(AsPropertyTypeDeserializer.java:140)[jackson-databind-2.4.3.jar:2.4.3] at com.fasterxml.jackson.databind.jsontype.impl.AsPropertyTypeDeserializer.deserializeTypedFromObject(AsPropertyTypeDeserializer.java:92)[jackson-databind-2.4.3.jar:2.4.3] at com.fasterxml.jackson.databind.deser.AbstractDeserializer.deserializeWithType(AbstractDeserializer.java:132)[jackson-databind-2.4.3.jar:2.4.3] at com.fasterxml.jackson.databind.deser.impl.TypeWrappedDeserializer.deserialize(TypeWrappedDeserializer.java:41)[jackson-databind-2.4.3.jar:2.4.3] at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3023)[jackson-databind-2.4.3.jar:2.4.3] at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:1637)[jackson-databind-2.4.3.jar:2.4.3] at org.dd4t.databind.util.JsonUtils.renderComponentField(JsonUtils.java:46)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonModelConverter.deserializeGeneric(JsonModelConverter.java:302)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonModelConverter.buildField(JsonModelConverter.java:213)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonModelConverter.buildModelProperties(JsonModelConverter.java:117)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonModelConverter.convertSource(JsonModelConverter.java:94)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonDataBinder.buildModel(JsonDataBinder.java:177)[dd4t-debug.jar:na] at org.dd4t.databind.DataBindFactory.buildModel(DataBindFactory.java:71)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonModelConverter.buildModelForField(JsonModelConverter.java:286)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonModelConverter.checkTypeAndBuildModel(JsonModelConverter.java:271)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonModelConverter.buildField(JsonModelConverter.java:210)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonModelConverter.buildModelProperties(JsonModelConverter.java:117)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonModelConverter.convertSource(JsonModelConverter.java:94)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonDataBinder.buildModel(JsonDataBinder.java:177)[dd4t-debug.jar:na] at org.dd4t.databind.DataBindFactory.buildModel(DataBindFactory.java:71)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonModelConverter.buildModelForField(JsonModelConverter.java:286)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonModelConverter.checkTypeAndBuildModel(JsonModelConverter.java:271)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonModelConverter.buildField(JsonModelConverter.java:210)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonModelConverter.buildModelProperties(JsonModelConverter.java:117)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonModelConverter.convertSource(JsonModelConverter.java:94)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonDataBinder.buildModel(JsonDataBinder.java:177)[dd4t-debug.jar:na] at org.dd4t.databind.builder.json.JsonDataBinder.buildModels(JsonDataBinder.java:138)[dd4t-debug.jar:na]