use openjdk8

jeffscottbrown · jeffscottbrown · commit 1b7834b4979e · 2017-11-29T08:17:40.000-06:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: groovy
 jdk:
-- openjdk7
+- openjdk8
 before_script:
 - rm -rf target
 script: "./travis-build.sh"
