PREHOOK: query: FROM src SELECT TRANSFORM(key, value) USING 'script_does_not_exist' AS (key, value) PREHOOK: type: QUERY PREHOOK: Input: default@src #### A masked pattern was here #### FAILED: Execution Error, return code 20000 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask. Unable to initialize custom script.