tree a99f40383b6cf069cde8237488148ae1847712a8
parent 84b28e9a7137db73a029fd9164d5dffb32cb5d3b
author zhangqiang2 <zhangqiang2@zte.com.cn> 1486643939 -0500
committer Colm O hEigeartaigh <coheigea@apache.org> 1486645278 +0000

RANGER-1362:The installer of the usersync and unixauthservice can be executed when JAVA_HOME environment variable was set empty. The result is that there are many errors when installing UserSync and unixauthservice. We should handle the exception as well as tagsync.

Signed-off-by: Colm O hEigeartaigh <coheigea@apache.org>