Update .travis.yml

LorenzBuehmann · web-flow · commit 8fd67b6e037d · 2019-06-18T09:32:01.000Z
Oraclejdk8 not available on Travis CI with Xenial
diff --git a/.travis.yml b/.travis.yml
@@ -6,7 +6,7 @@ cache:
 scala:
   - 2.11.12
 jdk:
-  - oraclejdk8
+  - openjdk8
 script:
   - mvn scalastyle:check
   - mvn test
