If you installed the Java Runtime Environment (JRE), follow the same steps, but set the JRE_HOME environment variable instead. If you installed the JDK, you'll be setting the JAVA_HOME environment variable. If nothing is displayed, or only %JAVA_HOME% is returned, you'll need to set the JAVA_HOME environment variable manually.If you see a path to your Java installation directory, the JAVA_Home environment variable has been set correctly.Open a command prompt and type echo %JAVA_HOME% and hit Enter:.Make a note of the installation directory, as you'll need this later. Download the right Oracle JDK or AdoptOpenJDK version.Check the Supported platforms page to find out which JDK versions are supported for your version of Jira applications.Go to Control Panel > Programs and Features to see what JDK version is installed.Open a shell console and type echo $JAVA_HOME and hit Enter to check that it has installed correctly.Run the Java installer. Detailed installation instructions are provided on.Download the appropriate Oracle JDK or AdoptOpenJDK version.Check the Supported platforms page to find out which JDK versions are supported for your version of Jira.If nothing displays, you'll need to install the JDK or set the $JAVA_HOME environment variable.If it returns something like /opt/JDK7 or /usr/lib/jvm/java-7 then your JDK is installed and configured.Open a shell console and type echo $JAVA_HOME and hit Enter:.On Linux and Mac OS Xīefore you start, check whether a JDK is already installed. You'll need to install the JDK on the same server that will have your Jira application. If you're using the Windows installer or Linux installer, you don't need to install Java manually.Ĭheck the Supported platforms page to find which Java versions are supported for Jira. This is a manual step that's only required if you're installing a Jira application from a zip or archive file. Here you will find instructions for installing the Java Development Kit (JDK).

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