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https://issues.apache.org/jira/browse/SPARK-23340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-23340:
----------------------------------
    Component/s: SQL

> Empty float/double array columns raise EOFException
> ---------------------------------------------------
>
>                 Key: SPARK-23340
>                 URL: https://issues.apache.org/jira/browse/SPARK-23340
>             Project: Spark
>          Issue Type: Bug
>          Components: Build, SQL
>    Affects Versions: 2.3.0
>            Reporter: Dongjoon Hyun
>            Priority: Critical
>
> This issue updates Apache ORC dependencies to 1.4.3 released on February 9th.
> Apache ORC 1.4.2 release removes unnecessary dependencies and 1.4.3 has 5 
> more patches (https://s.apache.org/Fll8).
> {code}
> scala> df.write.format("orc").save("/tmp/floatarray")
> scala> spark.read.orc("/tmp/floatarray")
> res1: org.apache.spark.sql.DataFrame = [value: array<float>]
> scala> spark.read.orc("/tmp/floatarray").show()
> 18/02/12 22:09:10 ERROR Executor: Exception in task 0.0 in stage 1.0 (TID 1)
> java.io.IOException: Error reading file: 
> file:/tmp/floatarray/part-00000-9c0b461b-4df1-4c23-aac1-3e4f349ac7d6-c000.snappy.orc
>       at 
> org.apache.orc.impl.RecordReaderImpl.nextBatch(RecordReaderImpl.java:1191)
>       at 
> org.apache.orc.mapreduce.OrcMapreduceRecordReader.ensureBatch(OrcMapreduceRecordReader.java:78)
> ...
> Caused by: java.io.EOFException: Read past EOF for compressed stream Stream 
> for column 2 kind DATA position: 0 length: 0 range: 0 offset: 0 limit: 0
> {code}



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