update travis's java version

Artem Labazin · Artem Labazin · commit ec8f358cec26 · 2020-02-25T19:49:52.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,7 +2,7 @@
 language: java
 
 jdk:
-  - oraclejdk8
+  - openjdk8
 
 before_install:
   - echo $GPG_SECRET_KEYS | base64 --decode | $GPG_EXECUTABLE --import
