[GitHub] spark pull request #22895: [SPARK-25886][SQL][Minor] Improve error message o...

[HyukjinKwon <gi...@git.apache.org>]

Github user HyukjinKwon commented on a diff in the pull request:

    https://github.com/apache/spark/pull/22895#discussion_r229539055
  
    --- Diff: external/avro/src/main/scala/org/apache/spark/sql/avro/AvroDataToCatalyst.scala ---
    @@ -100,9 +100,14 @@ case class AvroDataToCatalyst(
           case NonFatal(e) => parseMode match {
             case PermissiveMode => nullResultRow
             case FailFastMode =>
    -          throw new SparkException("Malformed records are detected in record parsing. " +
    +          val msg = if (e.getMessage != null) {
    +            e.getMessage + "\n"
    +          } else {
    +            ""
    +          }
    +          throw new SparkException(msg + "Malformed records are detected in record parsing. " +
                 s"Current parse Mode: ${FailFastMode.name}. To process malformed records as null " +
    -            "result, try setting the option 'mode' as 'PERMISSIVE'.", e.getCause)
    +            "result, try setting the option 'mode' as 'PERMISSIVE'.", e)
    --- End diff --
    
    @gengliangwang, looks okay. How does the error message look like before/after btw? 


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