Add jar

/opt/cloudera/parcels/CDH-5.12.0-1.cdh5.12.0.p0.29/lib/hive/udf/concatString.jar;

Added [/opt/cloudera/parcels/CDH-5.12.0-1.cdh5.12.0.p0.29/lib/hive/udf/concatString.jar] to class path

Added resources: [/opt/cloudera/parcels/CDH-5.12.0-1.cdh5.12.0.p0.29/lib/hive/udf/concatString.jar]

 Create temporary function myconcaty as 'com.udf.ConcatString.jar';

FAILED: Class com.udf.ConcatString.jar not found

FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.FunctionTask