java.lang.UnsupportedOperationException: not supported

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java.lang.UnsupportedOperationException: not supported
at io.druid.data.input.impl.TimeAndDimsParseSpec$1.parse(TimeAndDimsParseSpec.java:52)
at io.druid.data.input.impl.StringInputRowParser.parseString(StringInputRowParser.java:126)
at io.druid.data.input.impl.StringInputRowParser.buildStringKeyMap(StringInputRowParser.java:113)
at io.druid.data.input.impl.StringInputRowParser.parse(StringInputRowParser.java:74)
at io.druid.data.input.impl.StringInputRowParser.parse(StringInputRowParser.java:37)
at com.metamx.tranquility.druid.DruidBeams$$anonfun$1$$anonfun$7.apply(DruidBeams.scala:177)
at com.metamx.tranquility.druid.DruidBeams$$anonfun$1$$anonfun$7.apply(DruidBeams.scala:177)
at com.metamx.tranquility.druid.DruidBeams$$anonfun$1$$anonfun$apply$1.apply(DruidBeams.scala:195)
at com.metamx.tranquility.druid.DruidBeams$$anonfun$1$$anonfun$apply$1.apply(DruidBeams.scala:195)
at com.metamx.tranquility.beam.TransformingBeam$$anonfun$sendAll$2$$anonfun$2.apply(TransformingBeam.scala:36)
at com.twitter.util.Try$.apply(Try.scala:13)
at com.metamx.tranquility.beam.TransformingBeam$$anonfun$sendAll$2.apply(TransformingBeam.scala:36)
at com.metamx.tranquility.beam.TransformingBeam$$anonfun$sendAll$2.apply(TransformingBeam.scala:35)
at scala.collection.TraversableLike$WithFilter$$anonfun$foreach$1.apply(TraversableLike.scala:778)
at scala.collection.Iterator$class.foreach(Iterator.scala:742)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1194)
at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
at com.metamx.tranquility.beam.TransformingBeam.sendAll(TransformingBeam.scala:35)
at com.metamx.tranquility.tranquilizer.Tranquilizer.com$metamx$tranquility$tranquilizer$Tranquilizer$$sendBuffer(Tranquilizer.scala:301)
at com.metamx.tranquility.tranquilizer.Tranquilizer$$anonfun$send$1.apply(Tranquilizer.scala:202)
at com.metamx.tranquility.tranquilizer.Tranquilizer$$anonfun$send$1.apply(Tranquilizer.scala:202)
at scala.Option.foreach(Option.scala:257)
at com.metamx.tranquility.tranquilizer.Tranquilizer.send(Tranquilizer.scala:202)
at com.metamx.tranquility.kafka.writer.TranquilityEventWriter.send(TranquilityEventWriter.java:76)
at com.metamx.tranquility.kafka.KafkaConsumer$2.run(KafkaConsumer.java:231)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)

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