Shinsuke Sugaya created PIO-118:
-----------------------------------
Summary: ClassCastException from NullWritable to Text in
ESEventsUtil
Key: PIO-118
URL: https://issues.apache.org/jira/browse/PIO-118
Project: PredictionIO
Issue Type: Bug
Components: Core
Reporter: Shinsuke Sugaya
Assignee: Shinsuke Sugaya
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Caused by: java.lang.ClassCastException: org.apache.hadoop.io.NullWritable
cannot be cast to org.apache.hadoop.io.Text
at
org.apache.predictionio.data.storage.elasticsearch.ESEventsUtil$.getOptStringCol$1(ESEventsUtil.scala:58)
at
org.apache.predictionio.data.storage.elasticsearch.ESEventsUtil$.resultToEvent(ESEventsUtil.scala:68)
at
org.apache.predictionio.data.storage.elasticsearch.ESPEvents$$anonfun$5.apply(ESPEvents.scala:89)
at
org.apache.predictionio.data.storage.elasticsearch.ESPEvents$$anonfun$5.apply(ESPEvents.scala:87)
at scala.collection.Iterator$$anon$11.next(Iterator.scala:409)
at scala.collection.Iterator$$anon$11.next(Iterator.scala:409)
at scala.collection.Iterator$$anon$11.next(Iterator.scala:409)
at
org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIterator.processNext(Unknown
Source)
at
org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)
at
org.apache.spark.sql.execution.WholeStageCodegenExec$$anonfun$8$$anon$1.hasNext(WholeStageCodegenExec.scala:377)
at
org.apache.spark.sql.execution.SparkPlan$$anonfun$2.apply(SparkPlan.scala:231)
at
org.apache.spark.sql.execution.SparkPlan$$anonfun$2.apply(SparkPlan.scala:225)
at
org.apache.spark.rdd.RDD$$anonfun$mapPartitionsInternal$1$$anonfun$apply$25.apply(RDD.scala:827)
at
org.apache.spark.rdd.RDD$$anonfun$mapPartitionsInternal$1$$anonfun$apply$25.apply(RDD.scala:827)
at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:287)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87)
at org.apache.spark.scheduler.Task.run(Task.scala:99)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:322)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
... 1 more
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