RunOnSpark sanity check queries fail with timeouts and User sparkJobSubmitter not found - Aster Analytics

Problem: RunOnSpark sanity check queries fail with:

SQL-MR function RUNONSPARK failed: Timeout exceeded.

On the HDP Hadoop Spark side, browsing Ambari (YARN > Quick Links > Resource Manager UI > Applications) shows that RunOnSpark-initiated Spark jobs fail with:

Application application_1479228852593_0001 failed 2 times due to AM Container for appattempt_1479228852593_0001_000002 exited with exitCode: -1000
For more detailed output, check application tracking page:http://hrh050m1.labs.teradata.com:8088/cluster/app/application_1479228852593_0001Then, click on links to logs of each attempt.
Diagnostics: Application application_1479228852593_0001 initialization failed (exitCode=255) with output:
main : command provided 0
main : run as user is sparkJobSubmittermain : requested yarn user is sparkJobSubmitter
User sparkJobSubmitter not foundFailing this attempt.
Failing the application.