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    • com.fasterxml.jackson.databind.JsonMappingException: Could not resolve type id 'index_kafka' into a subtype of [simple type, class io.druid.indexing.common.task.Task] at [Source: [B@6e841513; line: 1, column: 2] at com.fasterxml.jackson.databind.JsonMappingException.from([jackson-databind-2.4.6.jar:2.4.6] at com.fasterxml.jackson.databind.DeserializationContext.unknownTypeException( at com.fasterxml.jackson.databind.jsontype.impl.TypeDeserializerBase._findDeserializer( at com.fasterxml.jackson.databind.jsontype.impl.AsPropertyTypeDeserializer._deserializeTypedForId( at com.fasterxml.jackson.databind.jsontype.impl.AsPropertyTypeDeserializer.deserializeTypedFromObject( at com.fasterxml.jackson.databind.deser.AbstractDeserializer.deserializeWithType( at com.fasterxml.jackson.databind.deser.impl.TypeWrappedDeserializer.deserialize( at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose( at com.fasterxml.jackson.databind.ObjectMapper.readValue( at io.druid.indexing.worker.WorkerTaskMonitor$1.childEvent(

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