Now you can verify if JAVA_HOME is set by using either of the following commands: echo $JAVA_HOME Modify the path accordingly based on your Java path: sudo echo JAVA_HOME=\"/usr/lib/jvm/java-8-oracle/bin/java\" > /etc/environmentĪfter that, we will need to source the file to update our shell: source /etc/environment Now we need to append the Java location to our environment file. The output should show you the Java installation path, like the following: To determine the current Java location, use the following command: sudo update-alternatives -config java If there is, you can double check if it is using the correct path by following these next steps. If you see a blank line, it means there is no configured JAVA_HOME variable. To check if you already have JAVA_HOME set, type the following command: echo $JAVA_HOME Most Java applications use the variable JAVA_HOME in determining the location of your Java installation. Java HotSpot(TM) 64-Bit Server VM (build 25.191-b12, mixed mode) Updating the Java Environment Variable Java(TM) SE Runtime Environment (build 1.8.0_191-b12) You should see the following message: java version "1.8.0_191" Sudo apt-get install oracle-java8-installerĪfter the installation, you can check the active Java version using this command: sudo java -version This command will install Oracle JDK 8 using the PPA repository: sudo add-apt-repository ppa:webupd8team/java As of writing, GlassFish 5.0 only supports Java 8. Since GlassFish is powered by Java, it must be installed and configured on your Ubuntu server first. Install software package dependencies needed by GlassFish by running the following command: sudo apt-get install software-properties-common wget unzip Installing and Configuring Java 8 Log in to your server via SSH: ssh to replace “username” with the username which you wish to use on the server, as well as replacing “server_ip” with your server’s IP address.īefore starting with the GlassFish Server installation, it is a good idea to update the system packages to their latest versions, if any are available: sudo apt-get update A user account with root access, or access to the “root” user.A VPS with Ubuntu 18.04 running on it (preferably a fresh installation).Java 9 and Java 10 Support.Make sure that your server meets the following minimum requirements: " The Apache NetBeans 14 binary releases require JDK 11 , and officially support running on JDK 11 and JDK 17." But again, you may hit limitations where certain versions of NetBeans are not able to support certain versions of the Java JDK - so you need to check the NetBeans release guidelines for that. If you need to change the version of Java you are using in NetBeans, you can go to Tools > Java platforms > Add platform. You also tagged your question as a NetBeans question. Follow the GlassFish release guidelines.) (But that does not mean GlassFish will not run on other versions. You can see a list of recent and older JDK releases, which shows which releases are LTS and which are not. Generally speaking, unless you have a good reason not to do so, you should try to use a Java LTS (long-term support) release. " GlassFish 5.1 requires Oracle JDK 8 Update 144 or later." You asked: " Is it a issue with glassfish version or jdk version?" - It's an issue with the combination of the GlassFish version and the JDK version that you are trying to use.
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