[EAGLE-1022] Fix runtime exception when parsing spark.yarn.executor.memoryOverhead

https://issues.apache.org/jira/browse/EAGLE-1022

Author: Zhao, Qingwen <qingwzhao@apache.org>

Closes #934 from qingwen220/EAGLE-1022.

(cherry picked from commit 7d39863f48916116e99cdff98527e60f9379a475)
Signed-off-by: Zhao, Qingwen <qingwzhao@apache.org>
1 file changed