Don't use Oracle JDK

rutgerkok · web-flow · commit 4c4600895507 · 2020-04-18T14:34:58.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,4 @@
 language: java
 jdk:
-  - oraclejdk8
-  - oraclejdk9
   - openjdk8
+  - openjdk11
