tree c7d712426d4e22c87e9fb0522848349d4bb0a531
parent 7abfe0ed7e7322c5c6f685e3f69dfcd33f79cb3c
author Yuta HIGUCHI <y-higuchi@ak.jp.nec.com> 1492746046 -0700
committer Andrea Campanella <andrea@onlab.us> 1493024538 +0000

use try-with-resource for connectivity testing

Change-Id: Ie5e1674d4a28f47a66a41b449468bd9abe359ecd