Exit code 143 is due to multiple reasons. Yesterday I got the error in sqoop related to timeout. Adding -Dmapreduce.task.timeout=0 in my sqoop job resolved the issue. 18/07/12 06:40:28 INFO mapreduce.Job: Job job_1530133778859_8931 running in uber mode : false 18/07/12 06:40:28 INFO mapreduce.Job: map 0% reduce 0% 18/07/12 06:45:57 INFO mapreduce.Job: Task Id : attempt_1530133778859_8931_m_000005_0, Status : FAILED AttemptID:attempt_1530133778859_8931_m_000005_0 Timed out after 300 secs Container killed by the ApplicationMaster. Container killed on request. Exit code is 143 Container exited with a non-zero exit code 143. ... View more