.travis.yml

sudo: true # required for hostname addon; https://docs.travis-ci.com/user/hostname
language: java
group: stable
jdk: oraclejdk8
env:
  global:
    - TERM="dumb"
    - GRADLE_OPTS="-Xmx386m -Xms386m"
addons:
  # OpenJDK7 fails with long host names; https://github.com/travis-ci/travis-ci/issues/5227
  hosts:
    - buildhost
  hostname: buildhost
install: true
script: ./gradlew build testRecentVersionCompatibility --info
matrix:
  include:
    - jdk: oraclejdk9
      os: linux
      dist: trusty
      group: deprecated-2017Q4
      # Looks like Java 9.0.1 introduced new Gradle incompatibilities resolved in 4.2.1 and 4.3
      # https://discuss.gradle.org/t/could-not-determine-java-version-from-9-0-1/24457
    - jdk: oraclejdk8
      os: linux
      dist: trusty
    - jdk: oraclejdk7
      os: linux
      dist: precise # on trusty, Oracle JDK 7 is not provided because it reached End of Life in April 2015.
      env:
        - GRADLE_OPTS="-Xmx386m -Xms386m -XX:MaxPermSize=128m"
    - jdk: openjdk8
      os: linux
      dist: trusty
    - jdk: openjdk7
      os: linux
      dist: precise # on trusty, openjdk7 fails when connecting to Gradle distro site/plugin portal due to TLS configuration; java.security.NoSuchProviderException: no such provider: SunEC