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Apache Spark commented on SPARK-10005: -------------------------------------- User 'liancheng' has created a pull request for this issue: https://github.com/apache/spark/pull/8228 > Parquet reader doesn't handle schema merging properly for nested structs > ------------------------------------------------------------------------ > > Key: SPARK-10005 > URL: https://issues.apache.org/jira/browse/SPARK-10005 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 1.5.0 > Reporter: Cheng Lian > Assignee: Cheng Lian > Priority: Blocker > > Spark shell snippet to reproduce this issue: > {code} > import sqlContext.implicits._ > val path = "file:///tmp/foo" > (0 until 3).map(i => Tuple1((s"a_$i", > s"b_$i"))).toDF().coalesce(1).write.mode("overwrite").parquet(path) > (0 until 3).map(i => Tuple1((s"a_$i", s"b_$i", > s"c_$i"))).toDF().coalesce(1).write.mode("append").parquet(path) > sqlContext.read.option("schemaMerging", "true").parquet(path).show() > {code} > Exception: > {noformat} > org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in > stage 39.0 failed 1 times, most recent failure: Lost task 0.0 in stage 39.0 > (TID 122, localhost): org.apache.parquet.io.ParquetDecodingException: Can not > read value at 0 in block -1 in file > file:/tmp/foo/part-r-00000-ba9dc7cf-3210-4006-9cf7-02c3d57483cd.gz.parquet > at > org.apache.parquet.hadoop.InternalParquetRecordReader.nextKeyValue(InternalParquetRecordReader.java:228) > at > org.apache.parquet.hadoop.ParquetRecordReader.nextKeyValue(ParquetRecordReader.java:201) > at > org.apache.spark.rdd.SqlNewHadoopRDD$$anon$1.hasNext(SqlNewHadoopRDD.scala:168) > at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327) > at scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:308) > at scala.collection.Iterator$class.foreach(Iterator.scala:727) > at scala.collection.AbstractIterator.foreach(Iterator.scala:1157) > at > scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48) > at > scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103) > at > scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47) > at > scala.collection.TraversableOnce$class.to(TraversableOnce.scala:273) > at scala.collection.AbstractIterator.to(Iterator.scala:1157) > at > scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265) > at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157) > at > scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252) > at scala.collection.AbstractIterator.toArray(Iterator.scala:1157) > at > org.apache.spark.sql.execution.SparkPlan$$anonfun$5.apply(SparkPlan.scala:215) > at > org.apache.spark.sql.execution.SparkPlan$$anonfun$5.apply(SparkPlan.scala:215) > at > org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1826) > at > org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1826) > at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66) > at org.apache.spark.scheduler.Task.run(Task.scala:88) > at > org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214) > 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) > Caused by: java.lang.ArrayIndexOutOfBoundsException: 2 > at > org.apache.spark.sql.execution.datasources.parquet.CatalystRowConverter.getConverter(CatalystRowConverter.scala:136) > at > org.apache.parquet.io.RecordReaderImplementation.<init>(RecordReaderImplementation.java:269) > at > org.apache.parquet.io.MessageColumnIO$1.visit(MessageColumnIO.java:134) > at > org.apache.parquet.io.MessageColumnIO$1.visit(MessageColumnIO.java:99) > at > org.apache.parquet.filter2.compat.FilterCompat$NoOpFilter.accept(FilterCompat.java:154) > at > org.apache.parquet.io.MessageColumnIO.getRecordReader(MessageColumnIO.java:99) > at > org.apache.parquet.hadoop.InternalParquetRecordReader.checkRead(InternalParquetRecordReader.java:137) > at > org.apache.parquet.hadoop.InternalParquetRecordReader.nextKeyValue(InternalParquetRecordReader.java:208) > ... 25 more > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org