logfile.txt Attached is log file....can any help me in this regard...its all failing once impersonation switched on..... Informatica is of version 10.1.1 HF1 so the reference issue doesn't relate to the one we are encountering. This Informatica mapping reads from Hive and writes to Teradata by using sqoop connector. The mapping is pushed down to Hadoop for execution and uses Hive execution engine. The informatica mapping log file reports that YARN execution has started, mappers have been executed and then abruptly fails with vertex error. Below is the error snapshot from the Informatica log file ... View more