Github user BruceXu1991 commented on a diff in the pull request:

    https://github.com/apache/spark/pull/16099#discussion_r165876866
  
    --- Diff: 
sql/hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/SparkExecuteStatementOperation.scala
 ---
    @@ -241,6 +241,8 @@ private[hive] class SparkExecuteStatementOperation(
           dataTypes = 
result.queryExecution.analyzed.output.map(_.dataType).toArray
         } catch {
           case e: HiveSQLException =>
    +        HiveThriftServer2.listener.onStatementError(
    +          statementId, e.getMessage, SparkUtils.exceptionString(e))
    --- End diff --
    
    This PR still occurs in Spark 2.2.1. A workaround is to use 
"String.valueOf(e.getMessage)" instead of "e.getMessage" to avoid of NPE 
problem.


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