manjudr opened a new issue #7086: Numeric columns do not support multivalue rows URL: https://github.com/apache/incubator-druid/issues/7086 Fails to ingest the nested object value into druid using kafka with below ingestion spec. **Input data :** ```js { "edata": { "visits": [ { "objid": "312583946656169984213975", "index": 0 }, { "objid": "312583929625190400114333", "index": 1 }, { "objid": "31261937011242598421918", "index": 2 }, ] } } ``` **kafka Ingestion spec** ```js { "type": "kafka", "dataSchema": { "dataSource": "datasource-1", "parser": { "type": "string", "parseSpec": { "format": "json", "flattenSpec": { "useFieldDiscovery": false, "fields": [ { "type": "path", "name": "edata_visits_index", "expr": "$.edata.visits[*].index" } ] }, "dimensionsSpec": { "dimensions": [ { "type": "long", "expr": "$.edata.visits[*].index", "name": "edata_visits_index" } ], "dimensionsExclusions": [] }, "timestampSpec": { "column": "ets", "format": "auto" } } }, "metricsSpec": [], "granularitySpec": { "type": "uniform", "segmentGranularity": "day", "queryGranularity": "none", "rollup": false } }, "ioConfig": { "topic": "telemetry", "consumerProperties": { "bootstrap.servers": "localhost:9092" }, "taskCount": 2, "replicas": 1, "taskDuration": "PT100S", "useEarliestOffset": true }, "tuningConfig": { "type": "kafka", "reportParseExceptions": false } } ``` **Error Output** ``` ""2019-02-11T12:05:50,450 ERROR [task-runner-0-priority-0] org.apache.druid.indexing.kafka.IncrementalPublishingKafkaIndexTaskRunner - Encountered exception while running task. " java.lang.UnsupportedOperationException: Numeric columns do not support multivalue rows. at org.apache.druid.segment.LongDimensionIndexer.processRowValsToUnsortedEncodedKeyComponent(LongDimensionIndexer.java:45) ~[druid-processing-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.segment.LongDimensionIndexer.processRowValsToUnsortedEncodedKeyComponent(LongDimensionIndexer.java:37) ~[druid-processing-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.segment.incremental.IncrementalIndex.toIncrementalIndexRow(IncrementalIndex.java:674) ~[druid-processing-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.segment.incremental.IncrementalIndex.add(IncrementalIndex.java:609) ~[druid-processing-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.segment.realtime.plumber.Sink.add(Sink.java:181) ~[druid-server-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.segment.realtime.appenderator.AppenderatorImpl.add(AppenderatorImpl.java:246) ~[druid-server-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.segment.realtime.appenderator.BaseAppenderatorDriver.append(BaseAppenderatorDriver.java:403) ~[druid-server-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.segment.realtime.appenderator.StreamAppenderatorDriver.add(StreamAppenderatorDriver.java:180) ~[druid-server-0.13.0-incubating.jar:0.13.0-incubating] ``` Is something wrong with my ingestion spec ? why we are getting this error ?
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