JDK 7u171 now available

Change effective on 07 March 2018

Heroku’s support for Java now includes OpenJDK 7u171. To set the JDK version for an application, create a system.properties file in the root directory of your project and put the following code in it:


For more information on Heroku’s Java support, see the Dev Center documentation for Java. For more information on OpenJDK 7u171, see the OpenJDK documentation for Java 7.