pdeva commented on issue #7098: KIS task keeps failing URL: https://github.com/apache/incubator-druid/issues/7098#issuecomment-465602227 looking at the logs a bit more it seems quantiles sketch plugin is broken: ``` 2019-02-20 08:34:30,620 ERROR o.a.d.i.k.IncrementalPublishingKafkaIndexTaskRunner [task-runner-0-priority-0] Encountered exception while running task. java.util.concurrent.ExecutionException: org.apache.druid.java.util.common.UOE: [org.apache.druid.query.aggregation.datasketches.quantiles.DoublesSketchAggregatorFactory] does not implement makeAggregateCombiner() at com.google.common.util.concurrent.AbstractFuture$Sync.getValue(AbstractFuture.java:299) ~[guava-16.0.1.jar:?] at com.google.common.util.concurrent.AbstractFuture$Sync.get(AbstractFuture.java:286) ~[guava-16.0.1.jar:?] at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:116) ~[guava-16.0.1.jar:?] at org.apache.druid.indexing.kafka.IncrementalPublishingKafkaIndexTaskRunner.runInternal(IncrementalPublishingKafkaIndexTaskRunner.java:661) ~[druid-kafka-indexing-service-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.indexing.kafka.IncrementalPublishingKafkaIndexTaskRunner.run(IncrementalPublishingKafkaIndexTaskRunner.java:232) [druid-kafka-indexing-service-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.indexing.kafka.KafkaIndexTask.run(KafkaIndexTask.java:210) [druid-kafka-indexing-service-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.indexing.overlord.SingleTaskBackgroundRunner$SingleTaskBackgroundRunnerCallable.call(SingleTaskBackgroundRunner.java:421) [druid-indexing-service-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.indexing.overlord.SingleTaskBackgroundRunner$SingleTaskBackgroundRunnerCallable.call(SingleTaskBackgroundRunner.java:393) [druid-indexing-service-0.13.0-incubating.jar:0.13.0-incubating] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_181] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_181] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_181] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181] Caused by: org.apache.druid.java.util.common.UOE: [org.apache.druid.query.aggregation.datasketches.quantiles.DoublesSketchAggregatorFactory] does not implement makeAggregateCombiner() at org.apache.druid.query.aggregation.AggregatorFactory.makeAggregateCombiner(AggregatorFactory.java:79) ~[druid-processing-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.query.aggregation.AggregatorFactory.makeNullableAggregateCombiner(AggregatorFactory.java:93) ~[druid-processing-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.segment.RowCombiningTimeAndDimsIterator.lambda$new$1(RowCombiningTimeAndDimsIterator.java:120) ~[druid-processing-0.13.0-incubating.jar:0.13.0-incubating] at java.util.Arrays.setAll(Arrays.java:4698) ~[?:1.8.0_181] at org.apache.druid.segment.RowCombiningTimeAndDimsIterator.<init>(RowCombiningTimeAndDimsIterator.java:120) ~[druid-processing-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.segment.IndexMergerV9.lambda$merge$2(IndexMergerV9.java:909) ~[druid-processing-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.segment.IndexMergerV9.makeMergedTimeAndDimsIterator(IndexMergerV9.java:1031) ~[druid-processing-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.segment.IndexMergerV9.makeIndexFiles(IndexMergerV9.java:179) ~[druid-processing-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.segment.IndexMergerV9.merge(IndexMergerV9.java:914) ~[druid-processing-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.segment.IndexMergerV9.mergeQueryableIndex(IndexMergerV9.java:832) ~[druid-processing-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.segment.IndexMergerV9.mergeQueryableIndex(IndexMergerV9.java:810) ~[druid-processing-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.segment.realtime.appenderator.AppenderatorImpl.mergeAndPush(AppenderatorImpl.java:719) ~[druid-server-0.13.0-incubating.jar:0.13.0-incubating] at org.apache.druid.segment.realtime.appenderator.AppenderatorImpl.lambda$push$1(AppenderatorImpl.java:623) ~[druid-server-0.13.0-incubating.jar:0.13.0-incubating] at com.google.common.util.concurrent.Futures$1.apply(Futures.java:713) ~[guava-16.0.1.jar:?] at com.google.common.util.concurrent.Futures$ChainingListenableFuture.run(Futures.java:861) ~[guava-16.0.1.jar:?] ... 3 more ```
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