[jira] [Updated] (SPARK-17374) Improves the error message when fails to parse some json file lines in DataFrameReader

["Wenchen Fan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-17374?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan updated SPARK-17374:
--------------------------------
    Assignee: Sean Zhong

> Improves the error message when fails to parse some json file lines in DataFrameReader
> --------------------------------------------------------------------------------------
>
>                 Key: SPARK-17374
>                 URL: https://issues.apache.org/jira/browse/SPARK-17374
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Sean Zhong
>            Assignee: Sean Zhong
>             Fix For: 2.1.0
>
>
> Demo case:
> We silently replace corrupted line with null without any error message.
> {code}
> import org.apache.spark.sql.types._
> val corruptRecords = spark.sparkContext.parallelize("""{"a":{, b:3}""" :: Nil)
> val schema = StructType(StructField("a", StringType, true) :: Nil)
> val jsonDF = spark.read.schema(schema).json(corruptRecords)
> scala> jsonDF.show
> +----+
> |   a|
> +----+
> |null|
> +----+
> {code}



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