HADOOP-14958. Fix source-level compatibility after HADOOP-11252. Contributed by Junping Du.

(cherry picked from commit b016f08f67830ed3ca741bc6a10c3f5164781be5)
(cherry picked from commit 9433f9eb09af0ca61f01a2eb42ff3ffe31a94d5f)
(cherry picked from commit e7e2b8158d9aaf314698784d44f4dd9313df3b50)
(cherry picked from commit 4935334b0f0f04f2be5987ef124d1812a4dc844a)
1 file changed