GitHub user ijuma opened a pull request: https://github.com/apache/kafka/pull/4007
MINOR: Java 9 version handling improvements - Upgrade Gradle to 4.2.1, which handles Azul Zulu 9's version correctly. - Add tests to our Java version handling code - Refactor the code to make it possible to add tests - Rename `isIBMJdk` method to use consistent naming convention. You can merge this pull request into a Git repository by running: $ git pull https://github.com/ijuma/kafka java-9-version-handling-improvements Alternatively you can review and apply these changes as the patch at: https://github.com/apache/kafka/pull/4007.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #4007 ---- commit 1ef63b35c7b1fb5b568f0a71924f3a3483c6eb1b Author: Ismael Juma <ism...@juma.me.uk> Date: 2017-10-03T11:16:01Z Add tests for java version compatibility methods commit 236bffc910bd46601715ed1086f5986229b74cb9 Author: Ismael Juma <ism...@juma.me.uk> Date: 2017-10-03T11:16:33Z Rename `Java.isIBMJdk` method to use consistent convention commit c82ca6b7c522efa4be432ab3f2c67145aa0870d8 Author: Ismael Juma <ism...@juma.me.uk> Date: 2017-10-03T11:17:01Z Update to Gradle 4.2.1 ---- ---