Drop Oracle JDK 8.
diff --git a/.travis.yml b/.travis.yml
index 80e1c79..b90fdc7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,30 +1,30 @@
-# Attempt to get a newer oraclejdk8..
-# See https://docs.travis-ci.com/user/ci-environment/
-sudo: required
-dist: trusty
-
-language: java
-
-# If newer Oracle JDK is needed, uncomment:
-#addons:
-# apt:
-# packages:
-# - oracle-java8-installer
-# .. and comment out:
-jdk:
- - oraclejdk8
-
-
-cache:
- directories:
- - '$HOME/.m2/repository'
-
-install: /bin/true
-
-notifications:
- email:
- - notifications@commons.apache.org
-
-after_success:
- - mvn clean test coveralls:report
-
+# Attempt to get a newer oraclejdk8..
+# See https://docs.travis-ci.com/user/ci-environment/
+sudo: required
+dist: trusty
+
+language: java
+
+# If newer Oracle JDK is needed, uncomment:
+#addons:
+# apt:
+# packages:
+# - oracle-java8-installer
+# .. and comment out:
+jdk:
+ - openjdk8
+
+
+cache:
+ directories:
+ - '$HOME/.m2/repository'
+
+install: /bin/true
+
+notifications:
+ email:
+ - notifications@commons.apache.org
+
+after_success:
+ - mvn clean test coveralls:report
+
