This means that its source code is housed. The Elastic Search Platform Elastic’s all-in-one data store, search engine, and analytics solution is open. Open software development is the best way to ensure that the Elastic Search Platform exceeds the expectations of our customers and community. Now, concretely, if I were you, I'd simply remove all traces from Java while being root, and then I'd download the old version I need from the Oracle Java Archive. 17 programs for 'java version 8 update 73'. So it's not as if you had to install 'one' Java version on a Linux system. I run my IDE (IntelliJ IDEA) using one Java version, I typically compile using another JDK and I test on several JVMs. Then I simply set the PATH and I'm usually good to go. bin, chmod +x it and then I extract the Java version I want from the. To fetch an old version, go to the 'Oracle Java Archive' page (Google if link becomes broken): I do it all the time (switching from one Java version to another) to test on various versions of the JVM.Ĭhanging your Java version can be as simple as this. You can install as many different Java versions you want on Linux, either in separate user accounts or in a single account. Java on Linux doesn't need to be installed as root.

Roll back java update