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[SPARK-5789][SQL]Throw a better error message if JsonRDD.parseJson encounters unrecoverable parsing errors. #4582

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[SPARK-5789][SQL]Throw a better error message if JsonRDD.parseJson encounters unrecoverable parsing errors. #4582

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Throw a better error message when a JSON object in the input dataset …
yhuai Feb 13, 2015
152dbd4
Update error message.
yhuai Feb 13, 2015
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4 changes: 4 additions & 0 deletions sql/core/src/main/scala/org/apache/spark/sql/json/JsonRDD.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -306,6 +306,10 @@ private[sql] object JsonRDD extends Logging {
val parsed = mapper.readValue(record, classOf[Object]) match {
case map: java.util.Map[_, _] => scalafy(map).asInstanceOf[Map[String, Any]] :: Nil
case list: java.util.List[_] => scalafy(list).asInstanceOf[Seq[Map[String, Any]]]
case _ =>
sys.error(
s"Failed to parse record $record. Please make sure that each line of the file " +
"(or each string in the RDD) is a valid JSON object or an array of JSON objects.")
}

parsed
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