[vpj] Throw a clear error instead of NPE on a missing timestamp.field - #2908

[vpj] Throw a clear error instead of NPE on a missing timestamp.field#2908

minhmo1620 wants to merge 2 commits into

linkedin:mainlinkedin/venice:mainfrom

minhmo1620:minnguye/vpj-clear-error-missing-timestamp-fieldminhmo1620/venice:minnguye/vpj-clear-error-missing-timestamp-fieldCopy head branch name to clipboard