[GitHub] incubator-carbondata pull request #398: [CARBONDATA-400] Error message for d...

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

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

    https://github.com/apache/incubator-carbondata/pull/398#discussion_r109963768
  
    --- Diff: integration/spark-common/src/main/scala/org/apache/carbondata/spark/util/GlobalDictionaryUtil.scala ---
    @@ -784,11 +784,24 @@ object GlobalDictionaryUtil {
           }
         } catch {
           case ex: Exception =>
    -        LOGGER.error(ex, "generate global dictionary failed")
    -        throw ex
    +        ex match {
    +          case spx: SparkException =>
    +            LOGGER.error(spx, "generate global dictionary failed")
    +            throw new Exception(
    +              trimErrorMessage(spx.getMessage))
    +          case _ =>
    +            LOGGER.error(ex, "generate global dictionary failed")
    +            throw ex
    +        }
         }
       }
     
    +  // Get proper error message of TextParsingException
    +  def trimErrorMessage(input: String): String = {
    +    val message = input.split("Hint")(0).split("TextParsingException: ")(1)
    --- End diff --
    
    There may be chances of input is null because `spsx.getMessage()` can be null, so handle NPE here.
    And also please check the array length after you split with `"Hint"`, other wise we may get ArrayIndexOutOfBoundException.


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