com.fasterxml.jackson.databind.JsonMappingException: Unexpected token (END_OBJECT), expected FIELD_NAME: missing property 'type' that is to contain type id (for class com.fasterxml.jackson.module.jsonSchema.JsonSchema) at [Source: {}; line: 1, column: 2]

GitHub | quilicicf | 3 months ago
  1. 0

    Deserialization fails when schema.type attribute does not exist

    GitHub | 3 months ago | quilicicf
    com.fasterxml.jackson.databind.JsonMappingException: Unexpected token (END_OBJECT), expected FIELD_NAME: missing property 'type' that is to contain type id (for class com.fasterxml.jackson.module.jsonSchema.JsonSchema) at [Source: {}; line: 1, column: 2]
  2. 0

    Reading an object of inner class throws MarkLogicIOException

    GitHub | 2 years ago | sravanr
    com.marklogic.client.MarkLogicIOException: com.fasterxml.jackson.databind.JsonMappingException: No suitable constructor found for type [simple type, class com.marklogic.javaclient.TestPOJOsample1$Student]: can not instantiate from JSON object (need to add/enable type information?) at [Source: java.io.InputStreamReader@37e4320e; line: 1, column: 54]
  3. 0

    How to read subtype?

    GitHub | 2 years ago | gaydenko
    com.fasterxml.jackson.databind.JsonMappingException: Can not instantiate abstract type [simple type, class scala.runtime.Nothing$] (need to add/enable type information?) at [Source: {"i":42}; line: 1, column: 2]
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  5. 0

    angularjs - springboot - spring data/rest

    Stack Overflow | 2 years ago | ek1984
    com.fasterxml.jackson.databind.JsonMappingException: (was java.lang.NullPointerException) (through reference chain: fr.stockmanagement.Customer["status"]) at com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:232)
  6. 0

    Deserializing nested json's with jackson

    Stack Overflow | 4 years ago | labbyfrost
    com.fasterxml.jackson.databind.JsonMappingException: Can not instantiate value of type [simple type, class JsonPath.Cpld] from JSON String; no single-String constructor/factory method (through reference chain: JsonPath.mainbean["clientPayload"])

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Root Cause Analysis

  1. com.fasterxml.jackson.databind.JsonMappingException

    Unexpected token (END_OBJECT), expected FIELD_NAME: missing property 'type' that is to contain type id (for class com.fasterxml.jackson.module.jsonSchema.JsonSchema) at [Source: {}; line: 1, column: 2]

    at com.fasterxml.jackson.databind.JsonMappingException.from()
  2. Jackson
    ObjectMapper.readValue
    1. com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:261)
    2. com.fasterxml.jackson.databind.DeserializationContext.wrongTokenException(DeserializationContext.java:1340)
    3. com.fasterxml.jackson.databind.DeserializationContext.reportWrongTokenException(DeserializationContext.java:1196)
    4. com.fasterxml.jackson.databind.jsontype.impl.AsPropertyTypeDeserializer._deserializeTypedUsingDefaultImpl(AsPropertyTypeDeserializer.java:157)
    5. com.fasterxml.jackson.databind.jsontype.impl.AsPropertyTypeDeserializer.deserializeTypedFromObject(AsPropertyTypeDeserializer.java:105)
    6. com.fasterxml.jackson.databind.deser.AbstractDeserializer.deserializeWithType(AbstractDeserializer.java:142)
    7. com.fasterxml.jackson.databind.deser.impl.TypeWrappedDeserializer.deserialize(TypeWrappedDeserializer.java:63)
    8. com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3789)
    9. com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:2833)
    9 frames
  3. fr.quilicicf.test
    JsonSchemaDeserialization.test
    1. fr.quilicicf.test.JsonSchemaDeserialization.test(JsonSchemaDeserialization.java:23)
    1 frame
  4. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4. java.lang.reflect.Method.invoke(Method.java:498)
    4 frames
  5. JUnit
    ParentRunner.run
    1. org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
    2. org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    3. org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
    4. org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
    5. org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
    6. org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
    7. org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
    8. org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
    9. org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
    10. org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
    11. org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
    12. org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
    13. org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    13 frames
  6. JUnit4 Runner
    JUnit4TestReference.run
    1. org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
    1 frame
  7. JUnit3 Runner
    RemoteTestRunner.main
    1. org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    2. org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
    3. org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
    4. org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
    5. org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
    5 frames