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all your JDKs on Travis CI using jabba

Submitted by eed3si9n on Mon, 06/11/2018 - 01:16
in

Whether you want to try using OpenJDK 11-ea, GraalVM, Eclipse OpenJ9, or you are stuck needing to build using OpenJDK 6, jabba has got it all. jabba is a cross-platform Java version manager written by Stanley Shyiko (@shyiko).

AdoptOpenJDK 8 and 11

Here's how we can use jabba on Travis CI to cross build using AdoptOpenJDK 8 and 11:

sudo: false
dist: trusty
group: stable
 
language: scala
 
scala:
  - 2.12.7
 
env:
  global:
    - JABBA_HOME=/home/travis/.jabba
 
matrix:
  include:
  - env:
      - TRAVIS_JDK=adopt@1.8.192-12
  - env:
      - TRAVIS_JDK=adopt@1.11.0-1
 
before_install:
  - curl -sL https://raw.githubusercontent.com/shyiko/jabba/0.11.0/install.sh | bash && . ~/.jabba/jabba.sh
 
install:
  - $JABBA_HOME/bin/jabba install $TRAVIS_JDK
  - unset _JAVA_OPTIONS
  - export JAVA_HOME="$JABBA_HOME/jdk/$TRAVIS_JDK" && export PATH="$JAVA_HOME/bin:$PATH" && java -Xmx32m -version
 
script: sbt -Dfile.encoding=UTF8 -J-XX:ReservedCodeCacheSize=256M ++$TRAVIS_SCALA_VERSION! test
 
before_cache:
  - find $HOME/.ivy2 -name "ivydata-*.properties" -delete
  - find $HOME/.sbt  -name "*.lock"               -delete
 
cache:
  directories:
    - $HOME/.ivy2/cache
    - $HOME/.sbt/boot
    - $HOME/.jabba/jdk

When the job runs you should see something like:

$ export JAVA_HOME="$JABBA_HOME/jdk/$TRAVIS_JDK" && export PATH="$JAVA_HOME/bin:$PATH" && java -Xmx32m -version
openjdk version "11.0.1" 2018-10-16
OpenJDK Runtime Environment AdoptOpenJDK (build 11.0.1+13)
OpenJDK 64-Bit Server VM AdoptOpenJDK (build 11.0.1+13, mixed mode)

Azul Zulu OpenJDK 6

Here's how we can use jabba on Travis CI to run a build using Azul Zulu OpenJDK 6:

sudo: false
dist: trusty
group: stable
 
language: scala
 
env:
  global:
    - TRAVIS_JDK=zulu@1.6.107
    - JABBA_HOME=/home/travis/.jabba
  matrix:
    - SCRIPT_TEST="; mimaReportBinaryIssues; test"
 
before_install:
  - curl -sL https://raw.githubusercontent.com/shyiko/jabba/0.11.0/install.sh | bash && . ~/.jabba/jabba.sh
 
install:
  - $JABBA_HOME/bin/jabba install $TRAVIS_JDK
  - unset _JAVA_OPTIONS
  - export JAVA_HOME="$JABBA_HOME/jdk/$TRAVIS_JDK" && export PATH="$JAVA_HOME/bin:$PATH" && java -Xmx32m -version
 
# Undo _JAVA_OPTIONS environment variable
before_script:
  - unset _JAVA_OPTIONS
 
script:
  - sbt -J-XX:ReservedCodeCacheSize=128m "$SCRIPT_TEST"
 
before_cache:
  - find $HOME/.ivy2 -name "ivydata-*.properties" -delete
  - find $HOME/.sbt  -name "*.lock"               -delete
 
cache:
  directories:
    - $HOME/.ivy2/cache
    - $HOME/.sbt/boot
    - $HOME/.jabba/jdk

To specify the TRAVIS_JDK variable, you need to pick a JDK from the "linux" section of https://github.com/shyiko/jabba/blob/master/index.json.

When the job runs you should see something like:

Downloading zulu@1.6.107 (https://cdn.azul.com/zulu/bin/zulu6.20.0.1-jdk6.0.107-linux_x64.tar.gz)
64356908/64356908
Extracting /tmp/jabba-d-303130071 to /home/travis/.jabba/jdk/zulu@1.6.107
zulu@1.6 -> /home/travis/.jabba/jdk/zulu@1.6.107
Picked up _JAVA_OPTIONS: -Xmx2048m -Xms512m
openjdk version "1.6.0-107"
OpenJDK Runtime Environment (Zulu 6.20.0.1-linux64) (build 1.6.0-107-b107)
OpenJDK 64-Bit Server VM (Zulu 6.20.0.1-linux64) (build 23.77-b107, mixed mode)
....

The above is a workaround for travis-ci/travis-ci#9713, but jabba also is useful for testing future JDKs as well.