Spark2-Submit through Oozie shell action hangs and restarts spark application

[#1]

I have a Oozie job which starts a Oozie shell action,the shell action starts a spark application (spark2-submit). I am mostly doing spark sql. The jobs runs for a while and suddenly hangs. It starts the spark application all over again. 

I ran the same spark application in CDSW and it ran fine without issues. 

The same is happening with other Oozie job . The only common thing between these two jobs is that they run longer, around 2hrs. 

Any help will be helpful.

[#2]

Thanks for help 

[#3]

Congratulations on resolving your issue @Sunil. Please don't forget to mark the reply that helped resolve the issue as the answer. That way when others have a similar issue they will be more likely to find it. 

[#4]

Great Sunil

Regards

Bimal

[#5]

I get the following error

 line 2: spark-submit: command not found
Failing Oozie Launcher, Main class [org.apache.oozie.action.hadoop.ShellMain], exit code [1]

[#6]

env -i spark2-submit --keytab svc.keytab --principal svc@CORP.COM sample.py

We submit the jobs someothing like this.