com.fasterxml.jackson.core.JsonGenerationException: Can not write a field name, expecting a value

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    Root Cause Analysis

    1. com.fasterxml.jackson.core.JsonGenerationException

      Can not write a field name, expecting a value

      at com.fasterxml.jackson.core.base.GeneratorBase._reportError()
    2. Jackson-core
      JsonGenerator.writeObjectField
      1. com.fasterxml.jackson.core.base.GeneratorBase._reportError(GeneratorBase.java:412)
      2. com.fasterxml.jackson.core.json.WriterBasedJsonGenerator.writeFieldName(WriterBasedJsonGenerator.java:195)
      3. com.fasterxml.jackson.core.JsonGenerator.writeObjectField(JsonGenerator.java:1018)
      3 frames