[travis] Switch to openjdk8

mizdebsk · mizdebsk · commit 22626dbb1cd9 · 2019-06-14T12:45:56.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -15,7 +15,7 @@
 #
 language: java
 jdk:
-  - oraclejdk8
+  - openjdk8
 install: true
 before_script:
   - unset _JAVA_OPTIONS
