Use just OpenJDK in Travis CI

thc202 · thc202 · commit 8bd0545e0b85 · 2019-07-19T13:19:51.000+01:00
Replace OracleJDK with OpenJDK, the former is no longer included by
default in newer dists (Xenial).

Signed-off-by: thc202 &lt;thc202@gmail.com&gt;
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 language: java
 
 jdk:
-  - oraclejdk8
+  - openjdk8
   - openjdk11
 
 before_cache:
