language: java
matrix:
  include:
    - jdk: openjdk7
    - jdk: oraclejdk8
    - jdk: openjdk11
    - jdk: oraclejdk11
      env: COVERALLS=true
after_success:
  - test -z $COVERALLS || mvn clean test jacoco:report coveralls:report

language: java
matrix:
  include:
    - jdk: openjdk8
    - jdk: openjdk11
    - jdk: oraclejdk11
      env: COVERALLS=true
after_success:
  - test -z $COVERALLS || mvn clean test jacoco:report coveralls:report

Remove oraclejdk8 and openjdk7 from Travis build
Remove oraclejdk8 and openjdk7 from Travis build

Seems it is no longer available in the default Travis image.
